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updated - 2020 June 8

Zovaro, H.; Nesvadba, N.; Sharp, R.; et. al.
Searching for signs of jet-driven negative feedback in the nearby radio galaxy UGC 05771
MNRAS 48 4944
2019 November
AO LGS OSIRIS

Zheng, W.; Meiksin, A.; Syphers, D.; et. al.
Development of Hydrogen and Helium Proximity Zones around Quasars
ApJ 883 123
2019 October
HIRES

Zahedy, F.; Chen, H.; Johnson, S.; et. al.
Characterizing Circumgalactic Gas around Massive Ellipticals at z~0.4 - II. Physical Properties and Elemental Abundances
MNRAS 484 2257
2019 April
HIRES

Zahedy, F.; Rauch, M.; Chen, H.; et. al.
Probing IGM accretion onto faint Lyα emitters at z~2.8
MNRAS 486 1392
2019 June
LRIS

Yuma, S.; Ouchi, M.; Fujimoto, S.; et. al.
A Giant Green Pea Identified in the Spectroscopy of Spatially Extended [OIII] Sources
ApJ 882 17
2019 September
MOSFIRE

Yao, Y.; Miller, A.; Kulkarni, S.; et. al.
ZTF Early Observations of Type Ia Supernovae I: Properties of the 2018 Sample
ApJ 886 152
2019 December
LRIS

Yan, W.; Hickox, R.; Hainline, K.; et. al.
NuSTAR and Keck Observations of Heavily Obscured Quasars Selected by WISE
ApJ 870 33
2019 January
LRIS

Yan, L.; Wang, T.; Ning, J.; et. al.
Rapid "Turn- on" of type 1 AGN in a quiescent early type galaxy SDSS1115+0544
ApJ 874 44
2019 March
LRIS

Yahalomi, D.; Shvartzvald, Y.; Agol, E.; et. al.
The Mass of the White Dwarf Companion in the Self-Lensing Binary KOI-3278: Einstein vs. Newton
ApJ 880 33
2019 July
HIRES

Xuesong Wang, S.; Wright, J.; Bender, C.; et. al.
The Effects of Telluric Contamination in Iodine Calibrated Precise Radial Velocities
AJ 158 216
2019 November
HIRES

Xu, S.; Hallakoun, N.; Gary, B.; et. al.
Shallow Ultraviolet Transits of WD 1145+017
AJ 157 255
2019 June
ESI HIRES

Xu, S.; Dufour, P.; Klein, B.; et. al.
Compositions of Planetary Debris around Dusty White Dwarfs
AJ 158 242
2019 December
ESI HIRES

Wotta, C.; Lehner, N.; Howk, J.; et. al.
The COS CGM Compendium. II: Metallicities of the Partial and Lyman Limit Systems at z<1
ApJ 872 81
2019 February
HIRES

Wilson, T.; Shapley, A.; Sanders, R.; et. al.
The MOSDEF Survey: No Significant Enhancement in Star Formation or Deficit in Metallicity in Merging Galaxy Pairs at 1.5 ≲ z ≲ 3.5
ApJ 874 18
2019 March
MOSFIRE

Wilson, D.; Gänsicke, B.; Koester, D.; et. al.
Multiwavelength observations of the EUV variable metal-rich white dwarf GD 394
MNRAS 483 2941
2019 March
HIRES

Willson, M.; Kraus, S.; Kluska, J.; et. al.
Imaging the disc rim and a moving close-in companion candidate in the pre-transitional disc of V1247 Orionis
A&A 621 A7
2019 January
AO NGS NIRC2

Wevers, T.; Stone, N.; van Velzen, S.; et. al.
Black hole masses of tidal disruption event host galaxies II
MNRAS 487 4136
2019 August
ESI

Wertz, O.; Stern, D.; Krone-Martins, A.; et. al.
Gaia GraL: Gaia DR2 Gravitational Lens Systems. IV. Keck/LRIS spectroscopic confirmation of GRAL113100-441959 and model prediction of time-delays
A&A 628 A17
2019
LRIS

Werk, J.; Rubin, K.; Bish, H.; et. al.
The Nature of Ionized Gas in the Milky Way Galactic Fountain
ApJ 887 89
2019 December
HIRES

Wells, R.; Poppenhaeger, K.; Watson, C.
Validation of a Temperate Fourth Planet in the K2-133 Multi-planet System
MNRAS 487 1865
2019 August
AO NGS NIRC2

Wasserman, A.; van Dokkum, P.; Romanowsky, A.; et. al.
Spatially Resolved Stellar Kinematics of the Ultra-Diffuse Galaxy Dragonfly 44: II. Constraints on Fuzzy Dark Matter
ApJ 885 155
2019 November
KCWI

Wang, X.; Jones, T.; Treu, T.; et. al.
Discovery of Strongly Inverted Metallicity Gradients in Dwarf Galaxies at z ~ 2
ApJ 882 94
2019 September
AO LGS OSIRIS

Wang, S.; Jones, M.; Shporer, A.; et. al.
HD 202772A B: A Transiting Hot Jupiter Around A Bright, Mildly Evolved Star In A Visual Binary Discovered By Tess
AJ 157 51
2019 February
AO NGS NIRC2 HIRES

Wang, F.; Yang, J.; Fan, X.; et. al.
Exploring Reionization-Era Quasars III: Discovery of 16 Quasars at 6.4≲z≲6.9 with DESI Legacy Imaging Surveys and UKIRT Hemisphere Survey and Quasar Luminosity Function at z∼6.7
ApJ 884 30
2019 October
DEIMOS

Wagner, J.
A Model-Independent Characterisation of Strong Gravitational Lensing by Observables
Universe 5 177
2019 July
AO LGS NIRC2

Villaume, A.; Romanowsky, A.; Brodie, J.; Strader, J.
New Constraints on Early-Type Galaxy Assembly from Spectroscopic Metallicities of Globular Clusters in M87
ApJ 879 45
2019 July
LRIS

Van Dyk, S.; Zheng, W.; Maund, J.; et. al.
The Type II-Plateau Supernova 2017eaw in NGC 6946 and Its Red Supergiant Progenitor
ApJ 875 136
2019 April
HIRES

van Dokkum, P.; Danieli, S.; Abraham, R.; et. al.
A Second Galaxy Missing Dark Matter in the NGC 1052 Group
ApJ 874 L5
2019 March
LRIS

van Dokkum, P.; Wasserman, A.; Danieli, S.; et. al.
Spatially Resolved Stellar Kinematics of the Ultra-diffuse Galaxy Dragonfly 44. I. Observations, Kinematics, and Cold Dark Matter Halo Fits
ApJ 880 91
2019 August
KCWI

Umehata, H.; Fumagalli, M.; Smail, I.; et. al.
Gas filaments of the cosmic web located around active galaxies in a protocluster
Science 366 97
2019 October
MOSFIRE

U, V.; Medling, A.; Inami, H.; et. al.
Keck OSIRIS AO LIRG Analysis (KOALA): Feedback in the Nuclei of Luminous Infrared Galaxies
ApJ 871 166
2019 February
AO LGS NGS OSIRIS

Tucker, M.; Shappee, B.; Wisniewski, J.; et. al.
No Stripped Companion Material in the Nebular Spectrum of the “Two-Component” Type Ia Supernova ASASSN-18bt
ApJ 872 L22
2019 February
LRIS

Trumbo, S.; Brown, M.; Hand, K.
H2O2 within chaos terrain on Europa's leading hemisphere
AJ 158 127
2019 September
AO NGS NIRSPEC

Troja, E.; Castro-Tirado, A.; Becerra González, J.; et. al.
The afterglow and kilonova of the short GRB 160821B
MNRAS 489 2104
2019 October
MOSFIRE

Trifonov, T.; Stock, S.; Henning, T.; et. al.
Two Jovian planets around the giant star HD202696. A growing population of packed massive planetary pairs around massive stars?
AJ 157 93
2019 March
HIRES

Trakhtenbrot, B.; Arcavi, I.; Ricci, C.; et. al.
A new class of flares from accreting supermassive black holes
Nature Astronomy 3 242
2019 January
LRIS

Trakhtenbrot, B.; Arcavi, I.; MacLeod, C.; et. al.
1ES 1927+654: An AGN Caught Changing Look on a Timescale of Months
ApJ 883 94
2019 September
LRIS

Trainor, R.; Strom, A.; Steidel, C.; et. al.
Predicting Lya Emission from Galaxies via Empirical Markers of Production and Escape in the KBSS
ApJ 887 85
2019 December
LRIS MOSFIRE

Torres, G.; Vanderburg, A.; Curtis, J.; et. al.
Eclipsing Binaries in the Open Cluster Ruprecht 147. II. Epic 219568666
ApJ 887 109
2019 December
AO NGS NIRC2

Tomczak, A.; Lemaux, B.; Lubin, L.; et. al.
Conditional Quenching: A detailed look at the SFR-Density Relation at z ~ 0.9 from ORELSE
MNRAS 484 4695
2019 April
DEIMOS

Toledo-Padrón, B.; González Hernández, J.; Rodríguez-López, C.; et. al.
Stellar activity analysis of Barnard's Star: Very slow rotation and evidence for long-term activity cycle
MNRAS 488 5145
2019 October
HIRES

Tinyanont, S.; Kasliwal, M.; Krafton, K.; et. al.
Supernova 2017eaw: molecule and dust formation from infrared observations
ApJ 873 127
2019 March
MOSFIRE NIRES

Tinyanont, S.; Lau, R.; Kasliwal, M.; et. al.
Supernova 2014C: ongoing interaction with extended circumstellar material with silicate dust
ApJ 887 75
2019 December
MOSFIRE NIRES

Thompson, M.; Weinberger, A.; Keller, L.; et. al.
Studying the Evolution of Warm Dust Encircling BD +20 307 Using SOFIA
ApJ 875 45
2019 April
LWS

Theios, R.; Steidel, C.; Strom, A.; et. al.
Dust Attenuation, Star Formation, and Metallicity in z ~ 2 - 3 Galaxies from KBSS-MOSFIRE
ApJ 871 128
2019 January
LRIS MOSFIRE

Teske, J.; Thorngren, D.; Fortney, J.; et. al.
Do Metal-rich Stars Make Metal-rich Planets? New Insights on Giant Planet Formation from Host Star Abundances
AJ 158 239
2019 December
HIRES

Telikova, K.; Shternin, P.; Balashev, S.
Thermal State of the Intergalactic Medium at z ~ 2–4
ApJ 887 205
2019 December
HIRES

Tanvir, N.; Fynbo, J.; de Ugarte Postigo, A.; et. al.
The fraction of ionizing radiation from massive stars that escapes to the intergalactic medium
MNRAS 483 5380
2019 March
LRIS

Tang, M.; Stark, D.; Chevallard, J.; Charlot, S.
MMT/MMIRS spectroscopy of z=1.3-2.4 extreme [OIII] emitters: Implications for galaxies in the reionization-era
MNRAS 489 2572
2019 October
MOSFIRE

Tanaka, M.; Valentino, F.; Toft, S.; et. al.
Stellar Velocity Dispersion of a Massive Quenching Galaxy at z=4.01
ApJ 885 L34
2019 November
MOSFIRE

Taddia, F.; Sollerman, J.; Fremling, C.; et. al.
Analysis of broad-lined Type Ic supernovae from the (intermediate) Palomar Transient Factory
A&A 621 A71
2019 January
DEIMOS LRIS

Taddia, F.; Sollerman, J.; Fremling, C.; et. al.
The luminous late-time emission of the type Ic supernova iPTF15dtg - evidence for powering from a magnetar?
A&A 621 A64
2019 January
LRIS

Szalai, T.; Vinkó, J.; Könyves-Tóth, R.; et. al.
The Type II-P Supernova 2017eaw: From Explosion to the Nebular Phase
ApJ 876 19
2019 May
LRIS

Sweet, S.; Fisher, D.; Savorgnan, G.; et. al.
Angular momentum of z∼1.5 galaxies and their local analogues with adaptive optics
MNRAS 485 5700
2019 June
AO OSIRIS

Swan, A.; Farihi, J.; Koester, D.; et. al.
Interpretation and diversity of exoplanetary material orbiting white dwarfs
MNRAS 490 202
2019 November
HIRES

Sun, L.; Ioannidis, P.; Gu, S.; et. al.
Kepler- 411: a four-planet system with an active host star
A&A 624 A15
2019 April

Sullivan, K.; Prato, L.; Edwards, S.; et. al.
S and VV Corona Australis: Spectroscopic Variability in Two Young Binary Star Systems
ApJ 884 28
2019 October
AO NIRC2 NIRSPEC

Suh, M.; Yi, X.; Lai, Y.; et. al.
Searching for Exoplanets Using a Microresonator Astrocomb
NaPho 13 25
2019 January
NIRSPEC

Sugahara, Y.; Ouchi, M.; Harikane, Y.; et. al.
Fast Outflows Identified in Early Star-Forming Galaxies at z=5-6
ApJ 886 29
2019
DEIMOS

Stallard, T.; Baines, K.; Melin, H.; et. al.
Local-time averaged maps of H3 + emission, temperature and ion winds
Philosophical Trans. of the RS A 377 80405
2019 September
NIRSPEC

Sromovsky, L.; Karkoschka, E.; Fry, P. M.; et. al.
The methane distribution and polar brightening on Uranus based on HST/STIS, Keck/NIRC2, and IRTF/SpeX observations through 2015
Icarus 317 266
2019 January
AO NGS NIRC2

Spite, M.; Bonifacio, P.; Spite, F.; et. al.
Be and O in the ultra metal-poor dwarf 2MASS J18082002-5104378: the Be-O correlation
A&A 624, A44
2019 April
HIRES

Soumagnac, M.; Ofek, E.; Gal-yam, A.; et. al.
Supernova PTF12glz: a possible shock breakout driven through an aspherical wind
ApJ 872 141
2019 February
LRIS

Sollerman, J.; Taddia, F.; Arcavi, I.; et. al.
Late-time observations of the extraordinary Type II supernova iPTF14hls
A&A 621 A30
2019 January
DEIMOS LRIS

Shivvers, I.; Filippenko, A.; Silverman, J.; et. al.
The Berkeley sample of stripped-envelope supernovae
MNRAS 482 1545
2019 January
DEIMOS ESI LRIS

Shen, L.; Tomczak, A.; Lemaux, B.; et. al.
Possible evidence of the radio AGN quenching of neighbouring galaxies at z ~ 1
MNRAS 48 2433
2019 April
DEIMOS LRIS

Shapley, A.; Sanders, R.; Shao, P.; et. al.
The MOSDEF Survey: Sulfur Emission-line Ratios Provide New Insights into Evolving Interstellar Medium Conditions at High Redshift
ApJ 881 L35
2019 August
MOSFIRE

Sexton, R.; Canalizo, G.; Hiner, K.; et. al.
Stronger Constraints on the Evolution of the M BH-{\sigma }_{* } Relation up to z ~ 0.6
ApJ 878 101
2019 June
LRIS

Senchyna, P.; Stark, D.; Chevallard, J.; et. al.
Extremely metal-poor galaxies with HST/COS: laboratories for models of low-metallicity massive stars and high-redshift galaxies
MNRAS 488 3492
2019 September
ESI

Schultheis, M.; Rich, R.; Origlia, L.; et. al.
The inner two degrees of the Milky Way Evidence of a chemical difference between the Galactic Center and the surrounding inner bulge stellar populations
A&A 627 A152
2019 July
NIRSPEC

Schneider, A.; Shkolnik, E.; Allers, K.; et. al.
ACRONYM. III. Radial Velocities for 336 Candidate Young Low-mass Stars in the Solar Neighborhood, Including 77 Newly Confirmed Young Moving Group Members
AJ 157 234
2019 June
HIRES

Salvadori, S.; Bonifacio, P.; Caffau, E.; et. al.
Probing the existence of very massive first stars
MNRAS 487 4261
2019 August`
HIRES

Sallum, S.; Skemer, A.; Eisner, J.; et. al.
New Spatially Resolved Imaging of the SR 21 Transition Disk and Constraints on the Small-Grain Disk Geometry
ApJ 883 100
2019 September
AO NGS NIRC2

Sakai, S.; Lu, J.; Ghez, A.; et. al.
The Galactic Center: An Improved Astrometric Reference Frame for Stellar Orbits around the Supermassive Black Hole
ApJ 873 65
2019 March
AO LGS NIRC2

Saffe, C.; Miquelarena, P.; Jaque Arancibia, M.; et. al.
HD 80606: Searching the chemical signature of planet formation
A&A 625 A39
2019 May
HIRES

Rusu, C.; Berghea, C.; Fassnacht, C.; et. al.
A Search for Gravitationally Lensed Quasars and Quasar Pairs in Pan-STARRS1: Spectroscopy and Sources of Shear in the Diamond 2M1134-2103
MNRAS 486 4987
2019 July
ESI

Rupke, D.; Coil, A.; Geach, J.; et. al.
A 100- kiloparsec wind feeding the circumgalactic medium of a massive compact galaxy
Nature 574 643
2019 October
KCWI

Ruffio, J.; Macintosh, B.; Konopacky, Q.; et. al.
Radial Velocity Measurements of HR 8799 b and c with Medium Resolution Spectroscopy
AJ 158 200
2019 November
AO NGS OSIRIS

Rudie, G.; Steidel, C.; Pettini, M.; et. al.
The Column Density, Kinematics, and Thermal State of Metal-Bearing Gas within the Virial Radius of z ~ 2 Star-Forming Galaxies in the Keck Baryonic Structure Survey
ApJ 885 61
2019
HIRES LRIS MOSFIRE

Ruane, G.; Ngo, H.; Mawet, D.; et. al.
Reference star differential imaging of close-in companions and circumstellar disks with the NIRC2 vortex coronagraph at W.M. Keck Observatory
AJ 157 118
2019 March
AO NIRC2

Rosenthal, M.; Jacobson-Galan, W.; Nelson, B.; et. al.
Measuring the Orbital Parameters of Radial Velocity Systems in Mean Motion Resonance---a Case Study of HD 200964
AJ 158 136
2019 October
HIRES

Rodriguez, J.; Eastman, J.; Zhou, G.; et. al.
KELT- 24b: A 5M J Planet on a 5.6 day Well-aligned Orbit around the Young V = 8.3 F-star HD 93148
AJ 158 197
2019 November
AO NGS NIRC2

Robert, P.; Murphy, M.; O'Meara, J.; et. al.
Exploring the origins of a new, apparently metal-free gas cloud at z = 4.4
MNRAS 483 2736
2019 February
HIRES

Riedel, A.; DiTomasso, V.; Rice, E.; et. al.
Radial Velocities, Space Motions, and Nearby Young Moving Group Memberships of Eleven Candidate Young Brown Dwarfs
AJ 157 247
2019 June
NIRSPEC

Ravi, V.; Catha, M.; D'Addario, L.; et.al.
A fast radio burst localized to a massive galaxy
Nature 572 352
2019 July
LRIS

Prochaska, J.; Burchett, J.; Tripp, T.; et. al.
The COS Absorption Survey of Baryon Harbors: The Galaxy Database and Cross-Correlation Analysis of OVI Systems
ApJS 243 24
2019 August
DEIMOS

Preston, J.; Collins, M.; Ibata, R.; et. al.
A dwarf disrupting - Andromeda XXVII and the North West Stream
MNRAS 490 2905
2019 December
DEIMOS

Potravnov, I.; Grinin, V.; Serebriakova, N.
Flares of accretion activity of the 20 Myr old UXOR RZ Psc
A&A 630 A64
2019 October
HIRES

Pointon, S.; Kacprzak, G.; Nielsen, N.; et. al.
Relationship between the Metallicity of the Circumgalactic Medium and Galaxy Orientation
ApJ 883 78
2019 September
ESI

Perrotta, S.; Hamann, F.; Zakamska, N.; et. al.
ERQs are the BOSS of Quasar Samples: The Highest-Velocity [OIII] Quasar Outflows
MNRAS 488 4126
2019 September
NIRSPEC

Perley, D.; Mazzali, P.; Yan, L.; et. al.
The fast, luminous ultraviolet transient AT2018cow: extreme supernova, or disruption of a star by an intermediate-mass black hole?
MNRAS 484 1031
2019 March
LRIS

Peretti, S.; Ségransan, D.; Lavie, B.; et. al.
Orbital and spectral analysis of the benchmark brown dwarf HD 4747B
A&A 631 A107
2019 November
AO NGS NIRC2 HIRES

Pelliccia, D.; Lemaux, B.; Tomczak, A.; et. al.
Searching for Environmental Effects on Galaxy Kinematics in Groups and Clusters at z~1 from the ORELSE Survey
MNRAS 482 3514
2019 January
DEIMOS

Peeples, M.; Corlies, L.; Tumlinson, J.; et. al.
Figuring Out Gas & Galaxies in Enzo (FOGGIE). I. Resolving Simulated Circumgalactic Absorption at 2 < z < 2.5
ApJ 873 129
2019 March
HIRES

Pearce, L.; Kraus, A.; Dupuy, T.; et. al.
Orbital Motion of the Wide Planetary-Mass Companion GSC 6214-210 b: No Evidence for Dynamical Scattering
AJ 157 71
2019 February
AO LGS NIRC2

Paradis, S.; Moeckel, C.; Tollefson, J.; de Pater, I.
Photometry of the Uranian Satellites with Keck and the Search for Mab
AJ 158 178
2019 November
AO NIRC2

Paganini, L.; Camarca, M.; Mumma, M.; et. al.
Observations of Jupiter Family Comet 252P/LINEAR During a Close Approach to Earth Reveal Large Abundances of Methanol and Ethane
AJ 158 98
2019 September
NIRSPEC

Paganini, L.; Villanueva, G.; Roth, L.; et. al.
A measurement of water vapour amid a largely quiescent environment on Europa
Nature Astro
2019 November
NIRSPEC

O'Neil, K.; Martinez, G.; Hees, A.; et. al.
Improving Orbit Estimates for Incomplete Orbits with a New Approach to Priors -- with Applications from Black Holes to Planets
AJ 158 4
2019 July

O'Donoghue, J.; Moore, L.; Connerney, J.; et. al.
Observations of the chemical and thermal response of 'ring rain' on Saturn's ionosphere
Icarus 322 251
2019 April
NIRSPEC

Nicholl, M.; Blanchard, P.; Berger, E.; et. al.
The tidal disruption event AT2017eqx: spectroscopic evolution from hydrogen rich to poor suggests an atmosphere and outflow
MNRAS, 488 1878
2019 September
LRIS

Ng, M.; Nielsen, N.; Kacprzak, G.; et. al.
Kinematics of the OVI Circumgalactic Medium: Halo Mass Dependence and Outflow Signatures
ApJ 886 66
2019 November
ESI

Muñoz-Darias, T.; Jiménez-Ibarra, F.; Panizo-Espinar, G.; et. al.
Hard-state accretion disk winds from black holes: the revealing case of MAXI J1820+070
ApJ 879 L4
2019 July
LRIS

Morokuma-Matsui, K.; Serra, P.; Maccagni, F.; et. al.
Complex distribution and velocity field of molecular gas in NGC 1316 as revealed by Morita Array of ALMA
PASJ 71 85
2019 August
LRIS

Moriya, T.; Tanaka, M.; Yasuda, N.; et. al.
First release of high-redshift superluminous supernovae from the Subaru HIgh-Z sUpernova CAmpaign (SHIZUCA). I. Photometric properties
ApJS 241 16
2019 April
LRIS

Moore, L.; Melin, H.; O'Donoghue, J.; et. al.
Modelling H3+ in planetary atmospheres: effects of vertical gradients on observed quantities
RSPTA 377
2019 September
NIRSPEC

Montesinos, B.; Eiroa, C.; Lillo-Box, J.; et. al.
HR 10: A main-sequence binary with circumstellar envelopes around both components. Discovery and analysis
A&A 629, A19
2019 September
HIRES

Monier, E.; Turnshek, D.; Rao, S.; et. al.
Neutral- gas-phase metal abundances in Zn II-selected quasar absorption line systems near redshift z = 1.2
MNRAS 483 1168
2019 February
HIRES

Molter, E.; de Pater, I.; Luszcz-Cook, S.; et. al.
Analysis of Neptune's 2017 Bright Equatorial Storm
Icarus 321 324
2019 March
AO NGS NIRC2

Miyaji, T.; Herrera-Endoqui, M.; Krumpe, M.; et. al.
Torus Constraints in ANEPD-CXO245: A Compton-thick AGN with Double-Peaked Narrow Lines
ApJ 884 L10
2019 October
DEIMOS

Mittag, M.; Schmitt, J.; Metcalfe, T.; et. al.
Magnetic activity of the solar-like star HD 140538
A&A 628 A107
2019 August

Mills, S.; Howard, A.; Weiss, L.; et. al.
Long- Period Giant Companions to Three Compact, Multiplanet Systems
AJ 157 145
2019 April
HIRES

Meyer, R.; Bosman, S.; Kakiichi, K.; et. al.
The role of galaxies and AGNs in reionizing the IGM - II. Metal-tracing the faint sources of reionization at 5 ≲ z ≲ 6
MNRAS 483 19
2019 February
ESI HIRES

Melin, H.; Fletcher, L.; Stallard, T.; et. al.
The H3+ ionosphere of Uranus: decades-long cooling and local-time morphology
RSPTA 377
2019 September
NIRSPEC

Medling, A.; Privon, G.; Barcos-Muñoz, L.; et. al.
How to Fuel an AGN: Mapping Circumnuclear Gas in NGC 6240 with ALMA
ApJ 885 21
2019 November
AO LGS OSIRIS

Mayo, A.; Rajpaul, V.; Buchhave, L.; et. al.
An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star
AJ 158 165
2019 October
HIRES

Mawet, D.; Hirsch, L.; Lee, E.; et. al.
Deep Exploration of ε Eridani with Keck Ms-band Vortex Coronagraphy and Radial Velocities Mass and Orbital Parameters of the Giant Exoplanet
AJ 157 33
2019 January
AO NGS NIRC2 HIRES

Masters, D.; Stern, D.; Cohen, J.; et. al.
The Complete Calibration of the Color-Redshift Relation (C3R2) Survey: Analysis and Data Release 2
ApJ 877 81
2019 June
DEIMOS LRIS MOSFIRE

Martinez, C.; Cunha, K.; Ghezzi, L.; Smith, V.
A Spectroscopic Analysis of the California-Kepler Survey Sample: I. Stellar Parameters, Planetary Radii and a Slope in the Radius Gap
ApJ 875 29
2019 April
HIRES

Martín-Navarro, I.; Romanowsky, A.; Brodie, J.; et. al.
Extreme chemical abundance ratio suggesting an exotic origin for an ultra-diffuse galaxy
MNRAS 484 3425
2019 April
KCWI

Martin, D.; O'Sullivan, D.; Matuszewski, M.; et. al.
Multi-Filament Inflows Fuel Young Star Forming Galaxies
Nature Astronomy 3 822
2019 July
KCWI

Martin, C.; Ho, S.; Kacprzak, G.; Churchill, C.
Kinematics of Circumgalactic Gas: Feeding Galaxies and Feedback
ApJ 878 84
2019 June
LRIS AO LGS NIRC2

Marino, A.; Da Costa, G.; Casey, A.; et. al.
Keck HIRES Spectroscopy of SkyMapper Commissioning Survey Candidate Extremely Metal-Poor Stars
MNRAS 485 5153
2019 June
HIRES

Margutti, R.; Metzger, B.; Chornock, R.; et. al
An Embedded X-Ray Source Shines through the Aspherical AT 2018cow: Revealing the Inner Workings of the Most Luminous Fast-evolving Optical Transients
ApJ 872 18
2019 February
DEIMOS LRIS

Manzano-King, C.; Canalizo, G.; Sales, L.
AGN- Driven Outflows in Dwarf Galaxies
ApJ 884 54
2019 October
LRIS

Mann, A.; Dupuy, T.; Kraus, A.; et. al.
How to Constrain Your M Dwarf. II. The Mass-Luminosity-Metallicity Relation from 0.075 to 0.70 Solar Masses
ApJ 871 63
2019 January
AO LGS NGS NIRC2

Mancini, C.; Daddi, E.; Juneau, S.; et. al.
Rejuvenated galaxies with very old bulges at the origin of the bending of the main sequence and of the “green valley”
MNRAS 489 1265
2019 August
DEIMOS

Magee, M.; Sim, S.; Kotak, R.; et. al.
Detecting the signatures of helium in type Iax supernovae
A&A 622 A102
2019 February

Mackey, D.; Lewis, G.; Brewer, B.; et. al.
Two major accretion epochs in M31 from two distinct populations of globular clusters
Nature 574 69
2019 October
DEIMOS

Macaulay, E.; Nichol, R.; Bacon, D.; et. al.
First Cosmological Results using Type Ia Supernovae from the Dark Energy Survey: Measurement of the Hubble Constant
MNRAS 486 2184
2019 June

Lum, M.; Boesgaard, A.
A Comparison of the Chemical Composition of Main Sequence and Giant Stars in the Open Cluster NCC 752
ApJ 878 99
2019 June
HIRES

Luhn, J.; Bastien, F.; Wright, J; et. al.
Retired A Stars and Their Companions VIII: 15 New Planetary Signals Around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
AJ 157 149
2019 April
HIRES

López, K.; Jonker, P.; Torres, M.; et. al.
Quiescent NIR and optical counterparts to candidate black hole X-ray binaries
MNRAS 482 2149
2019 January
MOSFIRE

Longeard, N.; Martin, N.; Ibata, R.; et. al.
Detailed study of the Milky Way globular cluster Laevens 3
MNRAS 490 1498
2019 December
DEIMOS

Livingston, J.; Crossfield, I.; Werner, M.; et. al.
Spitzer transit follow-up of planet candidates from the K2 mission
AJ 157 102
2019 March
AO NGS NIRC2

Liu, J.; Zhang, H.; Howard, A.; et. al.
A wide star–black-hole binary system from radial-velocity measurements
Nature, 575, 618
2019 November
HIRES

Liu, F.; Asplund, M.; Yong, D.; et. al.
Chemical (in)homogeneity and atomic diffusion in the open cluster M 67
A&A 627 A117
2019 July
HIRES

Li, Q.; Cai, Z.; Prochaska, J.; et. al.
Discovery of a Lya emitting dark-cloud within z ~ 2.8 SMMJ02399-0136 system
ApJ 875 130
2019 April
KCWI

Leung, G.; Coil, A.; Aird, J.; et. al.
The MOSDEF survey: a census of AGN-driven ionized outflows at z=1.4-3.8
ApJ 886 11
2019 November
MOSFIRE

Lemaux, B.; Tomczak, A.; Lubin, L.; et. al.
Persistence of the Color-Density Relation and Efficient Environmental Quenching to z~1.4
MNRAS 490 1231
2019 November
DEIMOS

Lehner, N.; Wotta, C.; Howk, J.; et. al.
The COS CGM Compendium. III: Metallicity and Physical Properties of the Cool Circumgalactic Medium at z<1
ApJ 887 5
2019 December
HIRES

Leggett, S.; Dupuy, T.; Morley, C.; et. al.
3.8 μm Imaging of 400-600K Brown Dwarfs and Orbital Constraints for WISEP J045853.90+643452.6AB
ApJ 882 117
2019 September
AO LGS NIRC2

Leethochawalit, N.; Kirby, E.; Ellis, R.; et. al.
Evolution of the Stellar Mass-Metallicity Relation. II. Constraints on Galactic Outflows from the Mg Abundances of Quiescent Galaxies
ApJ 885 100
2019 November
DEIMOS

Lau, R.; Heida, M.; Walton, D.; et. al.
Uncovering Red and Dusty Ultraluminous X-ray Sources with Spitzer
ApJ 878 71
2019 June
MOSFIRE AO LGS NIRC2

LaMassa, S.; Georgakakis, A.; Vivek, M.; et. al.
SDSS-IV eBOSS Spectroscopy of X-ray and WISE AGN in Stripe 82X: Overview of the Demographics of X- ray and Mid-Infrared Selected Active Galactic Nuclei
ApJ 876 50
2019 May
LRIS

Lalitha, S.; Baroch, D.; Morales, J.; et. al.
The CARMENES search for exoplanets around M dwarfs. Detection of a mini-Neptune around LSPM J2116+0234 and refinement of orbital parameters of a super-Earth around GJ 686 (BD+18 3421)
A&A 627 A116
2019 July
HIRES

Labadie-Bartz, J.; Rodriguez, J.; Stassun, K.; et. al.
KELT-22Ab: A Massive Hot Jupiter Transiting a Near Solar Twin
ApJS 240 13
2019 January
AO NGS NIRC2

Kupfer, T.; Bauer, E.; Burdge, K.; et. al.
A New Class of Large-amplitude Radial-mode Hot Subdwarf Pulsators
ApJ 878 L35
2019 June
LRIS

Kriek, M.; Price, S.; Conroy, C.; et. al.
Stellar Metallicities and Elemental Abundance Ratios of z~1.4 Massive Quiescent Galaxies
ApJ 880 L31
2019 August
LRIS MOSFIRE

Kowalski, A.; Wisniewski, J.; Hawley, S.; et. al.
The Near-ultraviolet Continuum Radiation in the Impulsive Phase of HF/GF-type dMe Flares. I. Data
ApJ 871 167
2019 February
LRIS

Kosiarek, M.; Blunt, S.; Lopez-Morales, M.; et. al.
K2-291 b: A rocky super-Earth in a 2.2 day orbit
AJ 157 116
2019 March
AO NIRC2 HIRES

Kosiarek, M.; Crossfield, I.; Hardegree-Ullman, K.; et. al.
Bright Opportunities for Atmospheric Characterization of Small Planets: Masses and Radii of K2-3 b, c, d and GJ3470 b from Radial Velocity Measurements and Spitzer Transits
AJ 157 97
2019 March
HIRES

Koptelova, E.; Hwang, C.; Malkan, M.; Yu, P.
Rapidly accreting black hole of the Lya-luminous quasar PSO J006.1240+39.2219
ApJ 882 144
2019 September
NIRSPEC

Koch, A.; Xu, S.; Rich, R.
Chemical composition of the outer halo globular cluster Palomar 15
A&A 627 A70
2019 July
ESI

Koch, A.; Côté, P.
An outer shade of Pal: Abundance analysis of the outer halo globular cluster Palomar 13
A&A 632 A55
2019 December
HIRES

Klose, S.; Schmidl, S.; Kann, D.; et. al.
Four GRB supernovae at redshifts between 0.4 and 0.8. The bursts GRB 071112C, 111228A, 120714B, and 130831A
A&A 622 A138
2019 February
LRIS MOSFIRE

Kirkpatrick, J.; Martin, E.; Smart, R.; et. al.
Preliminary Trigonometric Parallaxes of 184 Late-T and Y Dwarfs and an Analysis of the Field Substellar Mass Function into the "Planetary" Mass Regime
ApJS 240 19
2019 February
AO NIRC2

Kirby, E.; Xie, J.; Guo, R.; et. al.
Evidence for Sub-Chandrasekhar Type Ia Supernovae from Stellar Abundances in Dwarf Galaxies
ApJ 881 45
2019 August
DEIMOS

Kim, M.; Jee, M.; Finner, K.; et. al.
Multi- wavelength Analysis of the Merging Galaxy Cluster A115
ApJ 874 143
2019 April
DEIMOS

Kim, D.; Lu, J.; Konopacky, Q.; et. al.
Stellar Proper Motions in the Orion Nebula Cluster
AJ 157 109
2019 March
AO LGS NIRC2

Kim, D.; Momjian, E.; Yoon, I.; et. al.
Dual black hole associated with obscured and unobscured AGN: CXO J101527.2+625911
ApJ 882 149
2019 September
HIRES

Kacprzak, G.; Vander Vliet, J.; Nielsen, N.; et. al.
The Relation between Galaxy ISM and Circumgalactic O VI Gas Kinematics Derived from Observations and CDM Simulations
ApJ 870 137
2019 January
ESI

Kacprzak, G.; Pointon, S.; Nielsen, N.; et.
The Relationship Between Galaxy ISM and Circumgalactic Gas Metallicities
ApJ 886 91
2019 December
ESI

Kaasinen, M.; Scoville, N.; Walter, F.; et. al.
The Molecular Gas Reservoirs of z~2 Galaxies: A comparison of CO(1-0) and dust-based molecular gas masses
ApJ 880 15
2019 July

Jung, I.; Finkelstein, S.; Dickinson, M.; et. al.
Texas Spectroscopic Search for Lya Emission at the End of Reionization. II. The Deepest Near- infrared Spectroscopic Observation at z 7
ApJ 877 146
2019 June
DEIMOS MOSFIRE

Johns, D.; Reed, P.; Rodriguez, J.; et. al.
KELT- 23Ab: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones
AJ 158 78
2019 August
AO NGS NIRC2

Jia, S.; Lu, J.; Sakai, S.; et. al.
The Galactic Center: Improved Relative Astrometry for Velocities, Accelerations, and Orbits near the Supermassive Black Hole
ApJ 873 9
2019 March
NIRC NIRC2 AO LGS

Jewitt, D.; Kim, Y.; Luu, J.; Graykowski, A.
The Discus Comet: C/2014 B1 (Schwartz)
AJ 157 103
2019 March
LRIS

Jencson, J.; Adams, S.; Bond, H.; et. al.
Discovery of an intermediate-luminosity red transient in M51 and its likely dust-obscured, infrared- variable progenitor
ApJ 880 L20
2019 August
LRIS AO NIRC2

Jencson, J.; Kasliwal, M.; Adams, S.; et. al.
The SPIRITS sample of Luminous Infrared Transients: Uncovering Hidden Supernovae and Dusty Stellar Outbursts in Nearby Galaxies
ApJ 886 40
2019 November
LRIS MOSFIRE DEIMOS NIRES

Jee, I.; Suyu, S.; Komatsu, E.; et. al.
A measurement of the Hubble constant from angular diameter distances to two gravitational lenses
Science 365 1134
2019 September
LRIS

Irrgang, A.; Geier, S.; Heber, U.; et. al.
PG 1610+062: a runaway B star challenging classical ejection mechanisms
A&A 628 L5
2019 August
ESI

Irani, I.; Schulze, S.; Gal-Yam, A.; et. al.
SN 2016hil-- a Type II supernova in the remote outskirts of an elliptical host and its origin
ApJ 887 127I
2019 December
LRIS

Hutchison, T.; Papovich, C.; Finkelstein, S.; et. al.
Near-Infrared Spectroscopy of Galaxies During Reionization: Measuring CIII] in a Galaxy at z=7.5
ApJ 879 70
2019 July
MOSFIRE

Hung, T.; Cenko, S.; Roth, N.; et. al.
Discovery of Highly Blueshifted Broad Balmer and Metastable Helium Absorption Lines in a Tidal Disruption Event
ApJ 879 119
2019 July
LRIS

Hui, M.; Farnocchia, D.; Micheli, M.
C/2010 U3 (Boattini): A Bizarre Comet Active at Record Heliocentric Distance
AJ 157 162
2019 April
LRIS

Huber, D.; Chaplin, W.; Chontos, A.; et. al.
A Hot Saturn Orbiting an Oscillating Late Subgiant Discovered by TESS
AJ 157 245
2019 June
AO NGS NIRC2 HIRES

Hosek, M.; Lu, J.; Anderson, J.; et. al.
The Unusual Initial Mass Function of the Arches Cluster
ApJ 870 44
2019 January
AO LGS OSIRIS

Holoien, T.; Huber, M.; Shappee, B.; et. al.
PS18kh: A New Tidal Disruption Event with a Non-axisymmetric Accretion Disk
ApJ 880 120
2019 August
LRIS

Hoag, A.; Bradac, M.; Huang, K.; et. al.
Constraining the neutral fraction of hydrogen in the IGM at redshift 7.5
ApJ 878 12
2019 June
MOSFIRE

Ho, A.; Goldstein, D.; Schulze, S.; et. al.
Evidence for Late-stage Eruptive Mass Loss in the Progenitor to SN2018gep, a Broad-lined Ic Supernova: Pre-explosion Emission and a Rapidly Rising Luminous Transient
ApJ 887 169
2019 December
LRIS

Hiss, H.; Walther, M.; Oñorbe, J.; et. al.
A Novel Statistical Method for Measuring the Temperature-Density Relation in the IGM Using the b - NH I Distribution of Absorbers in the Lyα Forest
ApJ 876 71
2019 May
HIRES

Hirtenstein, J.; Jones, T.; Wang, X.; et. al.
The OSIRIS Lens-Amplified Survey (OLAS) I: Dynamical Effects of Stellar Feedback in Low Mass Galaxies at z ~ 2
ApJ 880 54
2019 July
AO LGS NGS OSIRIS

Hirsch, L.; Ciardi, D.; Howard, A.; et. al.
Discovery of a White Dwarf Companion to HD 159062
ApJ 878 50
2019 June
AO NGS NIRC2 HIRES

Hillenbrand, L.; Miller, A.; Carpenter, J.; et. al.
PTF 14jg: The Remarkable Outburst and Post-Burst Evolution of a Previously Anonymous Galactic Star
ApJ 874 82
2019 March
HIRES LRIS DEIMOS MOSFIRE

Hillenbrand, L.; Reipurth, B.; Connelley, M.; et. al.
Gaia 19ajj: A Young Star Brightening Due to Enhanced Accretion + Reduced Extinction
AJ 158 240
2019 December
HIRES NIRSPEC

Higuchi, R.; Ouchi, M.; Ono, Y.; et. al.
SILVERRUSH. VII. Subaru/HSC Identifications of 42 Protocluster Candidates at z~6-7 with the Spectroscopic Redshifts up to z=6.574: Implications for Cosmic Reionization
ApJ 879 28
2019 July
DEIMOS

Higgins, A.; van der Horst, A.; Starling, R.
Detailed multi-wavelength modelling of the dark GRB 140713A and its host galaxy
MNRAS 484 5245
2019 April
LRIS

Hey, D.; Holdsworth, D.; Bedding, T.; et. al.
Six new rapidly oscillating Ap stars in the Kepler long-cadence data using super-Nyquist asteroseismology
MNRAS 488 18
2019
HIRES

Harikane, Y.; Ouchi, M.; Ono, Y.; et. al.
SILVERRUSH. VIII. Spectroscopic Identifications of Early Large Scale Structures with Protoclusters Over 200 Mpc at z~6-7: Strong Associations of Dusty Star-Forming Galaxies
ApJ 883 142
2019 October
DEIMOS

Hanuš, J.; Marsset, M.; Vernazza, P.; et. al.
The shape of (7) Iris as evidence of an ancient large impact?
A&A 624, A121
2019 April
AO NGS NIRC2

Han, E.; Muirhead, P.; Swift, J.; et. al.
Magnetic Inflation and Stellar Mass IV. Four Low-mass Kepler Eclipsing Binaries Consistent with Non-magnetic Stellar Evolutionary Models
AJ 158 111
2019 September
NIRSPEC

Guo, Z.; Fuller, J.; Shporer, A.; et. al.
KIC 4142768: An Evolved Gamma Doradus/Delta Scuti Hybrid Pulsating Eclipsing Binary with Tidally Excited Oscillations
ApJ 885 46
2019 November
HIRES

Grundy, W.; Noll, K.; Buie, M.; et. al.
The mutual orbit, mass, and density of transneptunian binary G!kún 'hòmdímà (229762 2007 UK126)
Icarus 334 30
2019 December

Grunblatt, S.; Huber, D.; Gaidos, E.; et. al.
Giant Planet Occurrence within 0.2 au of Low- luminosity Red Giant Branch Stars with K2
AJ 158, 227
2019 December
AO NIRC2 HIRES

Graham, M.; Harris, C.; Nugent, P.; et. al.
Delayed Circumstellar Interaction for Type Ia SN 2015cp Revealed by an HST Ultraviolet Imaging Survey
ApJ 871 62
2019 January
LRIS

González-Morán, A.; Chávez, R.; Terlevich, R.; et. al.
Independent Cosmological Constraints from high-z HII Galaxies
MNRAS 487 4669
2019 August
MOSFIRE

Gonzalez, A.; Gettings, D.; Brodwin, M.; et. al.
The Massive and Distant Clusters of WISE Survey. I: Survey Overview and a Catalog of >2000 Galaxy Clusters at z~1
ApJS 240 33
2019 February

Golovich, N.; Dawson, W.; Wittman, D.; et. al.
Merging Cluster Collaboration: Optical and Spectroscopic Survey of a Radio-selected Sample of 29 Merging Galaxy Clusters
ApJS 240 39
2019 February
DEIMOS

Golovich, N.; Dawson, W.; Wittman, D.; et. al.
Merging Cluster Collaboration: A Panchromatic Atlas of Radio Relic Mergers
ApJ 882 69
2019 September
DEIMOS

Gillman, S.; Swinbank, A.; Tiley, A.; et. al.
The Dynamics and Distribution of Angular Momentum in HiZELS Star-Forming Galaxies at z = 0.8 - 3.3
MNRAS 486 175
2019 June
AO LGS OSIRIS

Gilbert, K.; Kirby, E.; Escala, I.; et. al.
Elemental Abundances in M31: First Alpha and Iron Abundance Measurements in M31's Giant Stellar Stream
ApJ 883 128
2019 October
DEIMOS

Gburek, T.; Siana, B.; Alavi, A.; et. al.
The Detection of [O III] 4363 in a Lensed, Dwarf Galaxy at z = 2.59: Testing Metallicity Indicators and Scaling Relations at High Redshift and Low Mass
ApJ 887 168
2019 December
MOSFIRE LRIS

Gautam., A.; Do, T.; Ghez, A.; et. al.
An Adaptive Optics Survey of Stellar Variability at the Galactic Center
ApJ 871 103
2019 January
AO LGS NIRC2

Gatkine, P.; Veilleux, S.; Cucchiara, A.
The CGM- GRB Study. I. Uncovering The CircumGalactic Medium around GRB hosts at redshifts 2-6
ApJ 884 66
2019 October
ESI HIRES

Garnavich, P.; Littlefield, C.; Kafka, S.; et. al.
Driving the Beat: Time-Resolved Spectra of the White Dwarf Pulsar AR Scorpii
ApJ 872 67
2019 February
LRIS

Gaidos, E.; Jacobs, T.; LaCourse, D.; et. al.
Planetesimals Around Stars with TESS (PAST): I. Transient Dimming of a Binary Solar Analog at the End of the Planet Accretion Era
MNRAS 488 4465
2019 October
HIRES

Furniss, A.; Worseck, G.; Fumagalli, M.; et. al.
Spectroscopic Redshift of the Gamma-Ray Blazar B2 1215+30 from Lyα Emission
AJ 157 41
2019 February
ESI

Fukui, A.; Suzuki, D.; Koshimoto, N.; et. al.
Kojima-1Lb Is a Mildly Cold Neptune around the Brightest Microlensing Host Star
AJ 158, 206
2019 November
AO NGS NIRC2

Fremling, C.; Ko, H.; Dugas, A.; et. al.
ZTF18aalrxas: A Type IIb Supernova from a very extended low-mass progenitor
ApJ 878 L5
2019 July
LRIS

Freeman, W.; Siana, B.; Kriek, M.; et. al.
The MOSDEF Survey: Broad Emission Lines at z = 1.4–3.8
ApJ 873 102
2019 March
MOSFIRE

Frederick, S.; Gezari, S.; Graham, M.; et. al.
A New Class of Changing-Look LINERs
ApJ 883 31
2019 September
LRIS

Fornasini, F.; Kriek, M.; Sanders, R.; et. al.
The MOSDEF Survey: The Metallicity Dependence of X-ray Binary Populations at z ~ 2
ApJ 885 65
2019 November

Forbes, D.; Alabi, A.; Brodie, J.; Romanowsky, A.
Dark matter and no dark matter: On the halo mass of NGC 1052
MNRAS 489 3665
2019 November
DEIMOS

Fontanive, C.; Rice, K.; Bonavita, M.; et. al.
A high binary fraction for the most massive close-in giant planets and brown dwarf desert members
MNRAS 485 4967
2019 June
AO NGS NIRC2

Fletcher, T.; Tang, M.; Robertson, B.; et. al.
The Lyman Continuum Escape Survey: Ionizing Radiation from [O III]-strong Sources at a Redshift of 3.1
ApJ 878 87
2019 June
MOSFIRE

Fisher, D.; Bolatto, A.; White, H.; et. al.
Testing Feedback Regulated Star Formation in Gas Rich, Turbulent Disk Galaxies
ApJ 870 46
2019 January
AO LGS OSIRIS

Ferre-Mateu, A.; Forbes, D.; McDermid, R.; et. al.
Spatially-resolved stellar populations and kinematics with KCWI: probing the assembly history of the massive early-type galaxy NGC 1407
ApJ 878 129
2019 June
KCWI

Feinstein, A.; Schlieder, J.; Livingston, J.; et. al.
K2-288Bb: A Small Temperate Planet in a Low-mass Binary System Discovered by Citizen Scientists
AJ 157 40
2019 February
AO NGS NIRC2 HIRES

Fan, X.; Wang, F.; Yang, J.; et. al.
The Discovery of a Gravitationally Lensed Quasar at z = 6.51
ApJ 870 L11
2019 January
LRIS

Faisst, A.; Capak, P.; Emami, N.; et. al.
The Recent Burstiness of Star Formation in Galaxies at z ~ 4.5 from Hα Measurements
ApJ 884 133
2019 October
DEIMOS

Erb, D.; Berg, D.; Auger, M.; et. al.
Sub- kiloparsec Imaging of Lyman-alpha Emission in a Low Mass, Highly Ionized, Gravitationally Lensed Galaxy at z = 1.84
ApJ 884 7
2019 October
LRIS

Emonts, B.; Cai, Z.; Prochaska, X.; et. al.
The cold circumgalactic environment of MAMMOTH-I: dynamically cold gas in the core of an Enormous Ly- alpha Nebula
ApJ 887 86
2019 December
KCWI

Eilers, A.; Hennawi, J.; Davies, F.; Oñorbe, J.
Anomaly in the Opacity of the Post-Reionization Intergalactic Medium in the Lyα and Lyβ Forest
ApJ 881 23
2019 August
ESI

Ebeling, H.; Kalita, B.
Jellyfish: Ram-pressure stripping as a diagnostic tool in studies of cluster collisions
ApJ 882 127
2019 September
DEIMOS

Dupuy, T.; Liu, M.; Best, W.; et. al.
WISE J072003.20-084651.2B Is A Massive T Dwarf
AJ 158 174
2019 November
AO LGS NIRC2

Dressing, C.; Hardegree-Ullman, K.; Schlieder, J.; et. al.
Characterizing K2 Candidate Planetary Systems Orbiting Low- Mass Stars IV: Updated Properties for 86 Cool Dwarfs Observed During Campaigns 1-17
AJ 158 87
2019
AO NGS NIRC2

Draghis, P.; Romani, R.; Filippenko, A.; et. al.
Multiband Optical Light Curves of Black-Widow Pulsars
ApJ 883 108
2019 September
DEIMOS LRIS

Doyle, A.; Young, E.; Klein, B.; et. al.
Oxygen fugacities of extrasolar rocks: Evidence for an Earth-like geochemistry of exoplanets
Science 366 356
2019 October
HIRES

Dorsch, M.; Latour, M.; Heber, U.
Heavy metals in intermediate He-rich hot subdwarfs: The chemical composition of HZ44 and HD127493
A&A 630 A130
2019 October
HIRES

Do, T.; Hees, A.; Ghez, A.; et. al.
Relativistic redshift of the star S0-2 orbiting the Galactic center supermassive black hole
Science 365 664
2019 August
AO LGS NGS NIRC2 NIRSPEC OSIRIS

Do, T.; Witzel, G.; Gautam, A.; et. al.
Unprecedented Near-infrared Brightness and Variability of Sgr A*
ApJL 882 L27
2019 September
AO LGS NIRC2

Dixon, W.; Chayer, P.; Reid, I.; Miller Bertolami, M.
Observations of the Ultraviolet-Bright Star Barnard 29 in the Globular Cluster M13 (NGC 6205)
AJ 157 147
2019 April
HIRES

Dimitriadis, G.; Rojas-Bravo, C.; Kilpatrick, C.; et. al.
Nebular Spectroscopy of Kepler’s Brightest Supernova
ApJ 870 L14
2019 January
DEIMOS LRIS

Dickey, C.; Geha, M.; Wetzel, A.; et. al.
AGN All the Way Down? AGN-like Line Ratios are Common In the Lowest-Mass Isolated Quiescent Galaxies
ApJ 884 180
2019 October
ESI

Dholakia, S.; Cody, A.; Howell, S.; et. al.
A Substellar Companion to a Hot Star in K2's Campaign 0 Field
PASP 131 4402
2019 November
HIRES

Derekas, A.; Murphy, S.; Dálya, G.; et. al.
Spectroscopic confirmation of the binary nature of the hybrid pulsator KIC 5709664 found with the frequency modulation method
MNRAS 486 2129
2019 June
HIRES

Decker, B.; Brodwin, M.; Abdulla, Z.; et. al.
The Massive and Distant Clusters of WISE Survey VI: Stellar Mass Fractions of a Sample of High-Redshift Infrared-selected Clusters
ApJ 878 72
2019 June
LRIS MOSFIRE

Decarli, R.; Mignoli, M.; Gilli, R.; et. al.
Testing the paradigm: First spectroscopic evidence of aquasar–galaxy Mpc-scale association at cosmic dawn
A&A 631 L10
2019 November
DEIMOS

Debes, J.; Thévenot, M.; Kuchner, M.; et. al.
A 3 Gyr White Dwarf with Warm Dust Discovered via the Backyard Worlds: Planet 9 Citizen Science Project
ApJ 872 L25
2019 February
NIRES

De Rosa, R.; Esposito, T.; Hirsch, L.; et. al.
The Possible Astrometric Signature of a Planetary-mass Companion to the Nearby Young Star TW Piscis Austrini (Fomalhaut B): Constraints from Astrometry, Radial Velocities, and Direct Imaging
AJ 158 225
2019 December
AO NGS NIRC2

de Pater, I.; Sault, R.; Moeckel, C.; et. al.
First ALMA Millimeter Wavelength Maps of Jupiter, with a Multi-Wavelength Study of Convection
AJ 158 139
2019 Oct
NIRSPEC

de Kleer, K.; de Pater, I.; Ádámkovics, M.
Emission from Volcanic SO Gas on Io at High Spectral Resolution
Icarus 317 104
2019 January
AO NGS NIRSPEC NIRC2 OSIRIS

de Kleer, K.; de Pater, I.; Molter, E.; et. al.
Io’s Volcanic Activity from Time Domain Adaptive Optics Observations: 2013-2018
AJ 158 29
2019 July
AO NGS NIRC2

De, K.; Kasliwal, M.; Polin, A.; et. al.
ZTF 18aaqeasu (SN2018byg): A Massive Helium-shell Double Detonation on a Sub-Chandrasekhar-mass White Dwarf
ApJ 873 L18
2019 March
LRIS MOSFIRE

de Jaeger, T.; Zheng, W.; Stahl, B.; et. al.
The Berkeley sample of Type II supernovae: BVRI light curves and spectroscopy of 55 SNe II
MNRAS 490 2799
2019 December
DEIMOS LRIS

Day, A.; Tytler, D.; Kambalur, B.
Power spectrum of the flux in the Lyman-alpha forest from high-resolution spectra of 87 QSOs
MNRAS 489 2536
2019 October
HIRES

David, T.; Hillenbrand, L.; Gillen, E.; et. al.
Age Determination in Upper Scorpius with Eclipsing Binaries
ApJ 872 161
2019 February
AO NGS NIRC2 NIRSPEC HIRES

David, T.; Cody, A.; Hedges, C.; et. al.
A Warm Jupiter-sized Planet Transiting the Pre-main-sequence Star V1298 Tau
AJ 158 79
2019 August
AO NGS NIRC2 HIRES

Danieli, S.; van Dokkum, P.; Conroy, C.; et. al.
Still Missing Dark Matter: KCWI High-resolution Stellar Kinematics of NGC1052-DF2
ApJ 874 L12
2019 April
KCWI

Curtin, C.; Cooke, J.; Moriya, T.; et. al.
First release of high-redshift superluminous supernovae from the Subaru HIgh-Z sUpernova CAmpaign (SHIZUCA). II. Spectroscopic properties
ApJS 241 17
2019 April
LRIS

Currie, T.; Marois, C.; Cieza, L.; et. al.
No Clear, Direct Evidence for Multiple Protoplanets Orbiting LkCa 15: LkCa 15 bcd are Likely Inner Disk Signals
ApJ 877 L3
2019 May
AO NIRC2

Cunningham, E.; Deason, A.; Rockosi, C.; et. al.
HALO7D I: The Line of Sight Velocities of Distant Main Sequence Stars in the Milky Way Halo
ApJ 876 124
2019 May
DEIMOS

Cunningham, E.; Deason, A.; Sanderson, R.; et. al.
HALO7D II: The Halo Velocity Ellipsoid and Velocity Anisotropy with Distant Main Sequence Stars
ApJ 879 120
2019 July
DEIMOS

Crossfield, I.; Waalkes, W.; Newton, E.; et. al.
A Super-Earth and Sub-Neptune Transiting the Late-type M Dwarf LP 791-18
AJL 883 L16
2019 September
AO LGS NIRC2 HIRES

Cooper, T.; Simcoe, R.; Cooksey, K.; et. al.
Heavy Element Absorption Systems at 5.0<z<6.8: Metal-Poor Neutral Gas and a Diminishing Signature of Highly Ionized Circumgalactic Matter
ApJ 882 77
2019 September
HIRES

Cooke, K.; Kartaltepe, J.; Tyler, K.; et. al.
Stellar Mass Growth of Brightest Cluster Galaxy Progenitors in COSMOS Since z ~ 3
ApJ 881 150
2019 August

Clavel, M.; Tomsick, J.; Hare, J.; et. al.
NuSTAR observations of the unidentified INTEGRAL sources: constraints on the Galactic population of HMXBs
ApJ 887 32
2019 December

Christenson, H.; Jorgenson, R.
Keck/OSIRIS IFU Detection of a z ~ 3 Damped Lyman Alpha Host Galaxy
ApJ 883 17
2019 September
AO LGS OSIRIS HIRES

Chontos, A.; Huber, D.; Latham, D.; et. al.
The Curious Case of KOI 4: Confirming Kepler’s First Exoplanet Detection
AJ 157 192
2019 May
HIRES

Chen, Z.; Gallego-Cano, E..; Do, T.; et. al.
Consistency of the Infrared Variability of Sgr A* over 22 years
ApJ 882 L28
2019 September
AO NIRC2

Chen, G.; Fassnacht, C.; Suyu, S.; et. al.
A SHARP view of H0LiCOW: H0 from three time-delay gravitational lens systems with adaptive optics imaging
MNRAS.490.1743
2019 December
AO LGS NIRC2

Chen, C.; Hamann, F.; Simon, L.; Ma, B.
Nature and Origins of Rich Complexes of C IV Associated Absorption Lines
ApJ 887 78
2019 December
HIRES

Carry, B.; Vachier, F.; Berthier, J.; et. al.
The homogeneous internal structure of CM-like asteroid (41) Daphne★
A&A 623, A132
2019 March
AO NGS NIRC2

Cai, Z.; Cantalupo, S.; Prochaska, J.; et. al.
Evolution of the Cool Gas in the Circumgalactic Medium (CGM) of Massive Halos -- A Keck Cosmic Web Imager (KCWI) Survey of Lya Emission around QSOs at z˜2
ApJS 245 23
2019 December
KCWI

Burdge, K.; Coughlin, M.; Fuller, J.; et. al.
General relativistic orbital decay in a seven-minute-orbital-period eclipsing binary system
Nature 571 528
2019 July
LRIS

Burdge, K.; Fuller, J.; Phinney, E.; et. al.
Orbital Decay in a 20 Minute Orbital Period Detached Binary with a Hydrogen Poor Low Mass White Dwarf
ApJ 886 L12
2019 November
LRIS

Bryan, M.; Knutson, H.; Lee, E.; et. al.
An Excess of Jupiter Analogs in Super-Earth Systems
AJ 157 52
2019 February
AO NGS NIRC2

Brout, D.; Scolnic, D.; Kessler, R.; et. al.
First Cosmology Results Using Type Ia Supernovae From the Dark Energy Survey: Analysis, Systematic Uncertainties, and Validation
ApJ 874 150
2019 April

Brandt, T.; Dupuy, T.; Bowler, B.; et. al.
Precise Dynamical Masses of Directly Imaged Companions from Relative Astrometry, Radial Velocities, and Hipparcos-Gaia DR2 Accelerations
AJ 158 140
2019
AO NGS NIRC2

Bouwens, R.; Stefanon, M.; Oesch, P.; et. al.
Newly Discovered Bright z~9-10 Galaxies and Improved Constraints on Their Prevalence Using the Full CANDELS Area
ApJ 880 25
2019 July
MOSFIRE

Bosman, A.; Banzatti, A.; Bruderer, S.; et. al.
Probing planet formation and disk substructures in the inner disk of Herbig Ae stars with CO rovibrational emission
A&A 631 A133
2019 November
NIRSPEC

Borkovits, T.; Rappaport, S.; Kaye, T.; et. al.
Photodynamical analysis of the triply eclipsing hierarchical triple system EPIC 249432662
MNRAS 483 1934
2019 February
HIRES

Boissé, P.; Bergeron, J.
Improved Ni II oscillator strengths from quasar absorption systems
A&A 622 A140
2019 February
HIRES

Boera, E.; Becker, G.; Bolton, J.; Nasir, F.
Revealing Reionization with the Thermal History of the Intergalactic Medium: New Constraints from the Lyα Flux Power Spectrum
ApJ 872 101
2019 February
HIRES

Blunt, S.; Endl, M.; Weiss, L.; et. al.
Radial Velocity Discovery of an Eccentric Jovian World Orbiting at 18 au
AJ 158 181
2019 November
HIRES

Blagorodnova, N.; Cenko, S.; Kulkarni, S.; et. al.
The Broad Absorption Line Tidal Disruption Event iPTF15af: Optical and Ultraviolet Evolution
ApJ 873 92
2019 March
LRIS

Bish, H.; Werk, J.; Prochaska, J.; et. al.
Galactic Gas Flows from Halo to Disk: Tomography and Kinematics at the Milky Way’s Disk - Halo Interface
ApJ 882 76
2019 September
HIRES

Birrer, S.; Treu, T.; Rusu, C.; et. al.
H0LiCOW - IX. Cosmographic analysis of the doubly imaged quasar SDSS 1206+4332 and a new measurement of the Hubble constant
MNRAS 484 4726
2019 April
DEIMOS

Birchall, E.; Ireland, M.; Federrath, C.; et. al.
Tiny Grains Shining Bright in the Gaps of Herbig Ae Transitional Discs
MNRAS 486 3721
2019 April
AO LGS NGS NIRC2

Bhirombhakdi, K.; Chornock, R.; Miller, A.; et. al.
The Type II Superluminous SN 2008es at Late Times: Near- Infrared Excess and Circumstellar Interaction
MNRAS 488 3783
2019 September
DEIMOS LRIS

Bevan, A.; Wesson, R.; Barlow, M.; et. al.
A decade of ejecta dust formation in the Type IIn SN 2005ip
MNRAS 485 5192
2019 June
DEIMOS LRIS

Berg, M.; Howk, J.; Lehner, N.; et. al.
The Red Dead Redemption Survey of Circumgalactic Gas About Massive Galaxies. I. Mass and Metallicity of the Cool Phase
ApJ 883 5
2019 September
HIRES

Berardo, D.; Crossfield, I.; Werner, M.; et. al.
Revisiting the HIP41378 system with K2 and Spitzer
AJ 157 185
2019 May
HIRES

Belli, S.; Newman, A.; Ellis, R.
MOSFIRE Spectroscopy of Quiescent Galaxies at 1.5 < z < 2.5. II - Star Formation Histories and Galaxy Quenching
ApJ 874 17
2019 March
MOSFIRE

Behmard, A.; Petigura, E.; Howard, A.
Data-Driven Spectroscopy of Cool Stars at High Spectral Resolution
ApJ 876 68
2019 May
HIRES

Becker, G.; Pettini, M.; Rafelski, M.; et. al.
The Evolution of O I over 3.2 < z < 6.5: Reionization of the Circumgalactic Medium
ApJ 883 163
2019 October
ESI HIRES

Baumgardt, H.; Hilker, M.; Sollima, A.; Bellini, A.
Mean proper motions, space orbits and velocity dispersion profiles of Galactic globular clusters derived from Gaia DR2 data
MNRAS 482 5138
2019 February

Baumgardt, H.; He, C.; Sweet, S.; et. al.
No evidence for intermediate-mass black holes in the globular clusters ω Cen and NGC 6624
MNRAS 488 5340
2019 October
DEIMOS NIRSPEC

Bassett, R.; Ryan-Weber, E.; Cooke, J.; et. al.
On the Lack of Correlation Between [OIII]/[OII] and Lyman-Continuum Escape Fraction
MNRAS 483 5223
2019 March
LRIS MOSFIRE

Barger, A.; Cowie, L.; Bauer, F.; González-López, J.
A Submillimeter Perspective on the GOODS Fields (SUPER GOODS). IV. The Submillimeter Properties of X-ray Sources in the CDF-S
ApJ 887 23
2019 December
DEIMOS LRIS MOSFIRE

Barenfeld, S.; Carpenter, J.; Sargent, A.; et. al.
The Effect of Binarity on Circumstellar Disk Evolution
ApJ 878 45
2019 June
AO LGS NGS NIRC2

Bär, R.; Trakhtenbrot, B.; Oh, K.; et. al.
BAT AGN Spectroscopic Survey - XIII. The nature of the most luminous obscured AGN in the low-redshift universe
MNRAS 489 3073
2019 November
LRIS

Banzatti, A.; Pascucci, I.; Edwards, S.; et. al.
Kinematic links and the co-evolution of MHD winds, jets, and inner disks from a high-resolution optical [OI] survey
ApJ 870 76
2019 January
HIRES

Bannister, K.; Deller, A.; Phillips, C.; et. al.
A single fast radio burst localized to a massive galaxy at cosmological distance
Science 365 565
2019 August
KCWI

Ashall, C.; Mazzali, P.; Pian, E.; et. al.
GRB 161219B-SN 2016jca: a powerful stellar collapse
MNRAS 487 5824
2019 August
LRIS

Asensio-Torres, R.; Currie, T.; Janson, M.; et. al.
Isochronal age-mass discrepancy of young stars: SCExAO/CHARIS integral field spectroscopy of the HIP 79124 triple system
A&A 622, A42
2019 February
AO NGS NIRC2

Arabsalmani, M.; Roychowdhury, S.; Renaud, F.; et. al.
A superluminous supernova in high surface density molecular gas within the bar of a metal-rich galaxy
ApJ 882 31
2019 September
AO LGS NIRC2 LRIS

Ansdell, M.; Gaidos, E.; Jacobs, T.; et. al.
The little dippers: transits of star-grazing exocomets?
MNRAS 483 3579
2019 March
AO NGS NIRC2

Angus, C.; Smith, M.; Sullivan, M.; et. al.
Superluminous Supernovae from the Dark Energy Survey
MNRAS 487 2215
2019 August
LRIS

Andrews, J.; Sand, D.; Valenti, S.; et. al.
SN 2017gmr: An energetic Type II-P supernova with asymmetries
ApJ 885 43
2019 November
HIRES

Alcorn, L.; Gupta, A.; Tran, K.; et. al.
A Tale of Two Clusters: An Analysis of Gas-Phase Metallicity and Nebular Gas Conditions in Proto-cluster Galaxies at z ~ 2
ApJ 883 153
2019 October
MOSFIRE

Affer, L.; Damasso, M.; Micela, G.; et. al.
HADES RV program with HARPS-N at TNG. IX. A super-Earth around the M dwarf Gl686
A&A 622, A193
2019 February
HIRES

Acharyya, A.; Kewley, L.; Rigby, J.; et. al.
Rest- frame UV and optical emission line diagnostics of ionised gas properties: a test case in a star- forming knot of a lensed galaxy at z~1.7
MNRAS 488 5862
2019 October
NIRSPEC

Abbott, T.; Allam, S.; Andersen, P.; et. al.
First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters
ApJ 872 L30
2019 February

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