Science Bibliography
A list of articles referencing data collected at W.M. Keck Observatory.
This bibliography is limited to articles published in refereed journals.
2009
(271) update 17Jan11
Allers, K.; Liu, M.; Shkolnik, E.; et. al.
2MASS 22344161+4041387AB: A Wide, Young, Accreting, Low-Mass Binary in the
LkHa233 Group
ApJ 697 824 2009 May
AO HIRES LGS NIRC2 OSIRIS
article
Alves-Brito, A.; Forbes, D.; Mendel, J.; et. al.
The outer halo globular clusters of M31
MNRAS 395 L34 2009 May
HIRES
article
Ammons, S.; Melbourne, J.; Max, C.; et. al.
Spatially Resolved Stellar Populations of Eight GOODS-South AGN at z~1
AJ 137 470 2009 January
AO LGS NIRC2
article
Aspin, C.; Greene, T.; Reipurth, B.
V1647 Orionis: Keck/NIRSPEC 2 µm Echelle Observations
AJ 137 2968 2009 February
NIRSPEC
article
Aspin, C.; Reipurth, Bo
V1647 Orionis: Optical Photometric and Spectroscopic Monitoring Through the
2003-2006 Outburst
AJ 138 1137 2009 October
HIRES
article
Bakos, G.; Pal, A.; Torres, G.; et. al.
HAT-P-10b: A Light and Moderately Hot Jupiter Transiting A K Dwarf
ApJ 696 1950 2009 May
HIRES
article
Bakos, G.; Howard, A.; Noyes, R.; et. al.
HAT-P-13b,c: A Transiting Hot Jupiter with a Massive Outer Companion on an
Eccentric Orbit
ApJ 707 446 2009 December
HIRES
article
Baldovin-Saavedra, C.; Audard, M.; Duchêne, G.; et. al.
HDE 245059: A Weak-Lined T Tauri Binary Revealed by Chandra and Keck
ApJ 697 493 2009 May
AO NIRSPEC NIRSPAO
article
Barbary, K.; Dawson, K.; Tokita, K.; et. al.
Discovery of an Unusual Optical Transient with the Hubble Space Telescope
ApJ 690 1358 2009 January
article
Barth, A.; Strigari, L.; Bentz, M.; et. al.
Dynamical Constraints on the Masses of the Nuclear Star Cluster and Black
Hole in the Late-Type Spiral Galaxy NGC 3621
ApJ 690 1031 2009 January
ESI
article
Barton, E.; Cooke, J.
Mg II Absorption Characteristics of a Volume-Limited Sample of Galaxies at z
~ 0.1
AJ 138 1817 2009 December
LRIS-B
article
Basu-Zych, A.; Gonçalves, T.; Overzier, R.; et. al.
An OSIRIS Study of the Gas Kinematics in a Sample of UV-Selected Galaxies:
Evidence of "Hot and Bothered" Starbursts in the Local Universe
ApJ 699 L118 2009 July
OSIRIS
article
Baumgardt, H.; Côté, P.; Hilker, M.; et. al.
The velocity dispersion and mass-to-light ratio of the remote halo globular
cluster NGC2419
MNRAS 396 2051 2009 July
HIRES
article
Bean, J. L.; Seifahrt, A.
The architecture of the GJ 876 planetary system. Masses and orbital
coplanarity for planets b and c
A&A 496 249 2009 March
HIRES
article
Beasley, M.; Cenarro, A.; Strader, J.; Brodie, J.
Evidence for the Disky Origin of Luminous Virgo Dwarf Ellipticals from the
Kinematics of Their Globular Cluster Systems
AJ 137 5146 2009 June
LRIS
article
Becker, G.; Rauch, M.; Sargent, W.
High Redshift Metals I.: The Decline of C IV at z > 5.3
ApJ 698 1010 2009 June
NIRSPEC
article
Bensby, T.; Johnson, J.; Cohen, J.; et. al.
Chemical evolution of the Galactic bulge as traced by microlensed dwarf and
subgiant stars. Detailed abundance analysis of OGLE-2008-BLG-209S
A&A 499 737 2009 June
HIRES
article
Bihain, G; Rebolo, R.; Zapatero Osorio, M.; et. al.
Candidate free-floating super-Jupiters in the young s Orionis open cluster
A&A 506 1169 2009 November
LRIS
article
Boden, A.; Akeson, R.; Sargent, A.; et. al.
Interferometric Evidence for Resolved Warm Dust in the DQ Tau System
ApJ 696 L111 2009 May
AO IF NGS
article
Boesgaard, A.; Krugler Hollek, J.
Beryllium Abundances in Stars of One Solar Mass
ApJ 691 1412 2009 February
HIRES
article
Boesgaard, A.; Jensen, E.; Deliyannis, C.
Abundances in Turnoff Stars in the Old, Metal-Rich Open Cluster, NGC 6791
AJ 137 4949 2009 June
HIRES
article
Bonev, B.; Mumma, M.; Gibb, E.; et. al.
Comet C/2004 Q2 (Machholz): Parent Volatiles, a Search for Deuterated
Methane, and Constraint on the CH4 Spin Temperature
ApJ 699 1563 2009 July
NIRSPEC
article
Bonifacio, P.; Spite, M.; Cayrel, R.; et. al.
First stars XII. Abundances in extremely metal-poor turnoff stars, and
comparison with the giants
A&A 501 519 2009 July
HIRES
article
Bowler, B.; Liu, M.; Cushing, M.
The Benchmark Ultracool Subdwarf HD 114762B: A Test of Low-metallicity
Atmospheric and Evolutionary Models
ApJ 706 1114 2009 December
AO NGS OSIRIS
article
Burningham, B.; Pinfield, D.; Leggett, S.; et. al.
The discovery of an M4+T8.5 binary system
MNRAS 395 1237 2009 May
AO LGS NIRC2
article
Busch, M.; Kulkarni, S.; Conrad, A.
No satellites detected around 21 Lutetia
Icarus 203, 681 2009 October
AO NIRC2
article
Bussmann, R.; Dey, A; Lotz, J.; et. al.
Hubble Space Telescope Morphologies of z ~ 2 Dust Obscured Galaxies. I.
Power-Law Sources
ApJ 693 750 2009 March
DEIMOS LRIS
article
Butler, R.; Howard, A.; Vogt, S.; Wright, J.
Nondetection of the Neptune-Mass Planet Reported Around GJ 176
ApJ 691 1738 2009 February
HIRES
article
Calvelo, D.; Vrtilek, S.; Steeghs, D.; et. al.
Doppler and modulation tomography of XTEJ1118+480 in quiescence
MNRAS 399 539 2009 October
ESI
article
Cenarro, A.; Trujillo, I.
Mild Velocity Dispersion Evolution of Spheroid-Like Massive Galaxies Since z
~ 2
ApJ 696 L43 2009 May
LRIS
article
Chen, H.; Perley, D.; Pollack, L.; et. al.
High-Redshift Starbursting Dwarf Galaxies Revealed by -Ray Burst
Afterglows
ApJ 691 152 2009 January
LRIS
article
Cohen, J.; Huang, W.
The Chemical Evolution of the Draco Dwarf Spheroidal Galaxy
ApJ 701 1053 2009 August
HIRES
article
Coil, A.; Georgakakis, A.; Newman, J.; et. al.
AEGIS The Clustering of X-Ray Active Galactic Nucleus Relative to Galaxies
at z ~ 1
ApJ 701 1484 2009 August
DEIMOS
article
Colavita, M.; Serabyn, E.; Millan-Gabet, R.; et. al.
Keck Interferometer Nuller Data Reduction and On-Sky Performance
PASP 121 1120 2009 September
AO IF NGS
article
Collins, M.; Chapman, S.; Irwin, M.; et. al.
A spectroscopic survey of EC4, an extended cluster in Andromeda's halo
MNRAS 396 1619 2009 July
DEIMOS
article
Colucci, J.; Bernstein, R.; Cameron, S.; et. al.
M31 Globular Cluster Abundances from High-Resolution, Integrated-Light
Spectroscopy
ApJ 704 385 2009 October
HIRES
article
Comerford, J.; Gerke, B.; Newman, J.; et. al.
Inspiralling Supermassive Black Holes: A New Signpost for Galaxy Mergers
ApJ 698 956 2009 June
DEIMOS
article
Comerford, J.; Griffith, R.; Gerke, B.; et. al.
1.75 h –1 kpc Separation Dual Active Galactic Nuclei at z = 0.36 in the
Cosmos Field
ApJ 702 L82 2009 September
DEIMOS
article
Connelley, M.; Reipurth, B.; Tokunaga, A.
An Adaptive Optics Survey For Close Protostellar Binaries
AJ 138 1193 2009 November
AO LGS NIRC2
article
Conrad, A.; Goodrich, R.; Campbell, R.; et. al.
Keck Observations of Solar System Objects: Perspectives for Extremely Large
Telescopes
EM&P 105 115 2009 September
AO LGS
article
Cooke, J.; Sullivan, M.; Barton, E.; et. al.
Type IIn supernovae at redshift z~2 from archival data
Nature 460 237 2009 July
DEIMOS LRIS
article
Cooke, J.
Broadband Imaging Segregation of z ~ 3 Lya Emitting and Lya Absorbing
Galaxies
ApJ, 704, L62 2009
LRIS
article
Coppin, K.; Smail, I.; Alexander, D.; et. al.
A submillimetre galaxy at z= 4.76 in the LABOCA survey of the Extended
Chandra Deep Field-South
MNRAS 395 1905 2009 June
DEIMOS
article
Covone, G.; Paolillo, M.; Napolitano, N.; et. al.
Gauging the Dark Matter Fraction in an L * S0 Galaxy at z = 0.47 Through
Gravitational Lensing from Deep Hubble Space Telescope/Advanced Camera for
Surveys Imaging
ApJ 691 531 2009 January
LRIS
article
Cowie, L.; Barger, A.; Trouille, L.
Measuring the Sources of the Intergalactic Ionizing Flux
ApJ 692 1476 2009 February
article
Cruz, K.; Kirkpatrick, J.; Burgasser, A.
Young L Dwarfs Identified in the Field: A Preliminary Low-Gravity, Optical
Spectral Sequence from L0 to L5
AJ 137 3345 2009 February
LRIS
article
Cunningham, N.; Moeckel, N.; Bally, J.
A Pulsed, Precessing Jet in Cepheus A
ApJ 692 943 2009 February
LWS
article
Daddi, E.; Dannerbauer, H.; Stern, D.; et. al.
Two Bright Submillimeter Galaxies in a z = 4.05 Protocluster in Goods-North,
and Accurate Radio-Infrared Photometric Redshifts
ApJ 694 1517 2009 April
DEIMOS
article
Dahm, S.; Carpenter, J.
Spitzer Spectroscopy of Circumstellar Disks in the 5 Myr Old Upper Scorpius
OB Association
AJ 137 4024 2009 April
HIRES
article
Davies, B.; Origlia, L.; Kudritzki, R.; et. al.
The Chemical Abundances in the Galactic Center from the Atmospheres of Red
Supergiants
ApJ 694 46 2009 March
NIRSPEC
article
Davies, B.; Origlia, L.; Kudritzki, R.; et. al.
Chemical Abundance Patterns in the Inner Galaxy: The Scutum Red Supergiant
Clusters
ApJ 696 2014 2009 May
NIRSPEC
article
Davies, B.; Figer, D.; Kudritzki, R.; et. al.
The Progenitor Mass of the Magnetar SGR1900+14
ApJ 707 844 2009 December
AO NIRC2 NIRSPEC
article
Davis, S.; Richer, H.; Rich, R.; et. al.
The Spectral Types of White Dwarfs in Messier 4
ApJ 705 398 2009 November
LRIS
article
Dawson, K.; Aldering, G.; Amanullah, R.; et. al.
An Intensive Hubble Space Telescope Survey for z>1 Type Ia Supernovae by
Targeting Galaxy Clusters
AJ 138 1271 2009 November
DEIMOS
article
del Burgo, C.; Martín, E.; Zapatero Osorio, M.; Hauschildt, P.
Physical parameters of T dwarfs derived from high-resolution near-infrared
spectra
A&A 501 1059 2009 July
NIRSPEC
article
Dello Russo, N.; Vervack, R.; Weaver, H.; et. al.
The Parent Volatile Composition of 6p/d'Arrest and a Chemical Comparison of
Jupiter-Family Comets Measured at Infrared Wavelengths
ApJ 703 187 2009 September
NIRSPEC
article
Descamps, P.; Marchis, F.; Durech, J.; et. al.
New insights on the binary Asteroid 121 Hermione
Icarus 203 88 2009 September
AO NGS NIRC2
article
Diamond-Stanic, A.; Fan, X.; Brandt, W.; et. al.
High-redshift SDSS Quasars with Weak Emission Lines
ApJ 699 782 2009 July
ESI LRIS
article
Do, T.; Ghez, A.; Morris, M.; et. al.
A Near-Infrared Variability Study of the Galactic Black Hole: A Red Noise
Source with NO Detected Periodicity
ApJ 691 1021 2009 February
AO LGS NGS
article
Do, T.; Ghez, A.; Morris, M.; et. al.
High Angular Resolution Integral-Field Spectroscopy of the Galaxy's Nuclear
Cluster: A Missing Stellar Cusp?
ApJ 703 1323 2009 October
AO LGS OSIRIS
Drummond, J.; Christou, J.; Nelson, J.
Triaxial ellipsoid dimensions and poles of asteroids from AO observations at
the Keck-II telescope
Icarus 202 147 2009 July
AO NGS NIRC2
article
Dupree, A.; Smith, G.; Strader, J.
Fast Winds and Mass Loss from Metal-Poor Field Giants
AJ 138 1485 2009 November
NIRSPEC
article
Dupuy, T.; Liu, M; Ireland, M.
Dynamical Mass of the Substellar Benchmark Binary HD 130948BC
ApJ 692 729 2009 February
AO NGS NIRC2
article
Dupuy, T.; Liu, M.; Ireland, M.
Keck Laser Guide Star Adaptive Optics Monitoring of the M8+L7 Binary LHS
2397aAB: First Dynamical Mass Benchmark at the L/T Transition
ApJ 699 168 2009 July
AO LGS NIRC2
article
Dupuy, T.; Liu, M.; Bowler, B.
Dynamical Mass of the M8+M8 Binary 2MASS J22062280 – 2047058AB
ApJ 706 328 2009 November
AO LGS NIRC2
article
Eisner, J.; Graham, J.; Akeson, R.; Najita, J.
Spatially Resolved Spectroscopy of Sub-AU-Sized Regions of T Tauri and
Herbig Ae/Be Disks
ApJ 692 309 2009 February
AO IF NGS
article
Esteban, C.; Bresolin, F.; Peimbert, M.; et. al.
Keck HIRES Spectroscopy of Extragalactic H II Regions: C and O Abundances
from Recombination Lines
ApJ 700 654 2009 July
HIRES
article
Feltzing, S.; Eriksson, K.; Kleyna, J.; Wilkinson, M.
Evidence of enrichment by individual SN from elemental abundance ratios in
the very metal-poor dSph galaxy Boötes I
A&A 508 L1 2009 December
HIRES
article
Ferraro, F.; Dalessandro, E.; Mucciarelli, A.; et. al.
The cluster Terzan 5 as a remnant of a primordial building block of the
Galactic bulge
Nature 462, 483 2009 November
NIRSPEC
Finkelstein, S.; Papovich, C.; Rudnick, G.; et. al.
Turning Back the Clock: Inferring the History of the Eight O'clock Arc
ApJ 700 376 2009 July
LRIS
article
Fischer, D.; Driscoll, P.; Isaacson, H.; et. al.
Five Planets and an Independent Confirmation of HD 196885Ab from Lick
Observatory
ApJ 703 1545 2009 October
Fitzgerald, M.; Kalas, P.; Graham, J.
Orbital Constraints on the beta Pic Inner Planet Candidate with Keck
Adaptive Optics
ApJ 706 L41 2009 November
AO NGS NIRC2
article
Foley, R.; Matheson, T.; Blondin, S.; et. al.
Spectroscopy of High-Redshift Supernovae from the Essence Project: The First
Four Years
AJ 137 3731 2009 April
DEIMOS ESI LRIS
article
Foley, R.; Chornock, R.; Filippenko, A.; et. al.
SN 2008ha: An Extremely Low Luminosity and Exceptionally Low Energy
Supernova
AJ 138 376 2009 August
LRIS
article
Foster, C.; Proctor, R.; Forbes, D.; et. al.
Metallicity Gradients at Large Galactocentric Radii Using the Near-infrared
Calcium Triplet
MNRAS 400 2135 2009 December
DEIMOS
article
Fox, A.; Prochaska, J.; Ledoux, C.; et. al.
Metal-enriched plasma in protogalactic halos. A survey of N V absorption in
high-z damped and sub-damped Lyman-a systems
A&A 503 731 2009 September
ESI HIRES
article
Fynbo, J.; Jakobsson, P.; Prochaska, J.; et. al.
Low-resolution Spectroscopy of Gamma-ray Burst Optical Afterglows: Biases in
the Swift Sample and Characterization of the Absorbers
ApJS 185 526 2009 December
LRIS
article
Gal-Yam, A.; Mazzali, P.; Ofek, E.; et. al.
Supernova 2007bi as a pair-instability explosion
Nature 462, 624 2009 December
3
LRIS
Gal-Yam, A.; Leonard, D.
A massive hypergiant star as the progenitor of the supernova SN 2005gl
Nature 458 865 2009 April
LRIS
Geha, M.; Willman, B.; Simon, J.; et. al.
The Least-Luminous Galaxy: Spectroscopy of the Milky Way Satellite Segue 1
ApJ 692 1464 2009 February
DEIMOS
article
Gezari, S.; Heckman, T.; Cenko, S.; et. al.
Luminous Thermal Flares from Quiescent Supermassive Black Holes
ApJ 698 1367 2009 June
LRIS
article
Gilbert, K.; Font, A.; Johnston, K.; Guhathakurta, P.
The Dominance of Metal-rich Streams in Stellar Halos: A Comparison Between
Substructure in M31 and CDM Models
ApJ 701 776 2009 August
DEIMOS
article
Gilbert, K.; Guhathakurta, P.; Kollipara, P.; et. al.
The Splash Survey: A Spectroscopic Portrait of Andromeda's Giant Southern
Stream
ApJ 705 1275 2009 November
DEIMOS
article
Gillessen, S.; Eisenhauer, F.; Fritz, T.; et. al.
The Orbit of the Star S2 Around SGR A* from Very Large Telescope and Keck
Data
ApJ 707 L114 2009 December
article
González Hernández, J.; Ruiz-Lapuente, P.; Filippenko, A.; et. al.
The Chemical Abundances of Tycho G in Supernova Remnant 1572
ApJ 691 1 2009 January
HIRES
article
Graham, J.; Fruchter, A.; Levan, A.; et. al.
GRB 070714B—Discovery of the Highest Spectroscopically Confirmed Short Burst
Redshift
ApJ 698 1620 2009 June
NIRSPEC
article
Guimaraes, R.; Petitjean, P.; Ramos De Carvalho, R.; et. al.
Damped and sub-damped Lyman-alpha absorbers in z > 4 QSOs
A&A 508 133 2009 December
ESI
article
Hainline, K.; Shapley, A.; Kornei, K.; et. al.
Rest-Frame Optical Spectra of Three Strongly Lensed Galaxies at z ~ 2
ApJ 701 52 2009 August
NIRSPEC
article
Hammel, H.; Sromovsky, L.; Fry, P.; et. al.
The Dark Spot in the atmosphere of Uranus in 2006: Discovery, description,
and dynamical simulations
Icarus 201 257 2009 May
AO NIRC2
article
Hamuy, M.; Deng, J.; Mazzali, P.; et. al.
Supernova 2003bg: The First Type IIb Hypernova
ApJ 703 1612 2009 October
LRIS
article
Harrison, T.; Bornak, J.; Howell, Steve B.
Infrared Photometry and Spectroscopy of VY Aqr and EI Psc: Two Short-Period
Cataclysmic Variables With Curious Secondary Stars
AJ 137 4061 2009 April
NIRSPEC
article
Hartigan, P.; Hillenbrand, L.
Adaptive Optics Echelle Spectroscopy of [Fe II] 1.644 µm in the RW Aur Jet:
A Narrow Slice Down the Axis of the Flow
ApJ 705 1388 2009 November
AO NGS NIRSPEC
article
Hartman, J.; Bakos, G.; Torres, G.; et. al.
HAT-P-12b: A Low-Density Sub-Saturn Mass Planet Transiting a Metal-Poor K
Dwarf
ApJ 706 785 2009 November
HIRES
article
Hau, G.; Spitler, L.; Forbes, D.; et. al.
An ultra-compact dwarf around the Sombrero galaxy (M104): the nearest
massive UCD
MNRAS 394 L97 2009 March
DEIMOS LRIS
article
Helminiak, K.; Konacki, M.; Kulkarni, S.; Eisner, J.
Precision Astrometry of a Sample of Speckle Binaries and Multiples with the
Adaptive Optics Facilities at the Hale and Keck II Telescopes
MNRAS 400 406 2009 November
AO NIRC2
article
Hennawi, J.; Prochaska, J.; Kollmeier, J.; Zheng, Z.
A z = 3 Lya Blob Associated With a Damped Lya System Proximate to Its
Background Quasar
ApJ 693 L49 2009 March
LRIS
article
Herbig, G.
The Outflowing Wind Of V1057 Cygni
AJ 138 448 2009 August
HIRES
article
Herbig, G. H.
The Carbon Mira UV Aurigae and its Companion
AJ 138 1502 2009 November
HIRES
article
Herczeg, G.; Cruz, K.; Hillenbrand, L.
Measuring tiny mass accretion rates onto young brown dwarfs
ApJ 696 1589 2009 May
LRIS
article
Hicks, E.; Davies, R.; Malkan, M.; et. al.
The Role of Molecular Gas in Obscuring Seyfert Active Galactic Nuclei
ApJ 696 448 2009 May
OSIRIS
article
Hildebrandt, H.; Pielorz, J.; Erben, T.; et. al.
CARS: the CFHTLS-Archive-Research Survey. II. Weighing dark matter halos of
Lyman-break galaxies at z = 3-5
A&A 498 725 2009 May
DEIMOS
article
Hilton, M.; Stanford, S.; Stott, J.; et. al.
The XMM Cluster Survey: Galaxy Morphologies and the Color-Magnitude Relation
in XMMXCS J2215.9 – 1738 at z = 1.46
ApJ 697 436 2009 May
DEIMOS
article
Hodapp, K.; Iserlohe, C,; Stecklum, B.; Krabbe, A.
Sigma Orionis IRS1 A and B: A Binary Containing a Proplyd
ApJ 701 L100 2009 August
AO NGS NIRC2 OSIRIS
article
Holden, B.; Franx, M.; Illingworth, G.; et. al.
The Ellipticities of Cluster Early-type Galaxies from z ~ 1 to z ~ 0: No
Evolution in the Overall Distribution of Bulge-to-Disk Ratios
ApJ 693 617 2009 March
DEIMOS LRIS
article
Howard, A.; Johnson, J.; Marcy, G.; et. al.
The NASA-UC ETA-Earth Program. I. A Super-Earth Orbiting HD 7924
ApJ 696 75 2009 May
HIRES
article
Hsieh, H.; Jewitt, D.; Ishiguro, M.
Physical Properties of Main-Belt Comet P/2005 U1 (Read)
AJ 137 157 2009 January
LRIS
article
Hsieh, H.; Jewitt, D.; Fernandez, Y.
Albedos of Main-Belt Comets 133P/Elst-Pizarro and 176P/LINEAR
ApJ 694 L111 2009 April
LRIS
article
Hsieh , H.
The Hawaii trails project: comet-hunting in the main asteroid belt
A&A 505 1297 2009 October
LRIS
article
Hu, E.; Cowie, L.; Kakazu, Y.; Barger, A.
Deep Spectroscopy of Ultra-Strong Emission-Line Galaxies
ApJ 698 2014 2009 June
DEIMOS
article
Ilbert, O.; Capak, P.; Salvato, M.; et. al.
Cosmos Photometric Redshifts with 30-BANDS for 2-deg2
ApJ 690 1236 2009 January
DEIMOS
article
Jackson, W.; Yang, X.; Shi, X.; Cochran, A.
The Temporal Changes in the Emission Spectrum of Comet 9p/Tempel 1 after
Deep Impact
ApJ 698 1609 2009 June
HIRES
article
Jeltema, T.; Gerke, B.; Laird, E.; et. al.
Groups of galaxies in AEGIS: the 200-ks Chandra extended X-ray source
catalogue
MNRAS 399 715 2009 October
article
Jewitt, D.; Yang, B.; Haghighipour, N.
Main-Belt Comet P/2008 R1 (Garradd)
AJ 137 4313 2009 May
LRIS
article
Jewitt, D.
The Active Centaurs
AJ 137 4296 2009 May
LRIS
article
Johns-Krull, C.; Greene, T.; Doppmann, G.; Covey, K.
First Magnetic Field Detection on a Class I Protostar
ApJ 700 1440 2009 August
NIRSPEC
article
Johnson, J.; Winn, J.; Albrecht, S.; et. al.
A Third Exoplanetary System with Misaligned Orbital and Stellar Spin Axes
PASP 121 1104 2009 September
HIRES
article
Jordi, K; Grebel, E.; Hilker, M.; et. al.
Testing Fundamental Physics with Distant Star Clusters: Analysis of
Observational Data on Palomar 14
AJ 137 4586 2009 June
HIRES
article
Jorgenson, R.; Wolfe, A.; Prochaska, J..; Carswell, R.
Direct Evidence of Cold Gas in DLA 0812+32B
ApJ 704 247 2009 October
HIRES
article
Kalirai, J.; Saul D.; Richer, H.; et. al.
The Masses of Population II White Dwarfs
ApJ 705 408 2009 November
LRIS
article
Kalirai, J.; Zucker, D.; Guhathakurta, P.; et. al.
The SPLASH Survey: A Spectroscopic Analysis of the Metal-Poor, Low-
Luminosity M31 dSph Satellite Andromeda X
ApJ 705 1043 2009 November
DEIMOS
article
Kaminski, T.; Schmidt, M.; Tylenda, R.; et. al.
Keck/HIRES Spectroscopy of V838 Monocerotis in October 2005
ApJS 182 33 2009 May
HIRES
article
Kawakita, H.; Kobayashi, H.
Formation Conditions of Icy Materials in Comet C/2004 Q2 (Machholz). II.
Diagnostics Using Nuclear Spin Temperatures and Deuterium-to-Hydrogen Ratios
in Cometary Molecules
ApJ 693 388 2009 March
NIRSPEC
article
Kessler, R.; Becker, A.; Cinabro, D.; et. al.
First-Year Sloan Digital Sky Survey-II Supernova Results: Hubble Diagram and
Cosmological Parameters
ApJS 185 32 2009 November
article
Kiminki, D.; Kobulnicky, H.; Gilbert, I.; et. al.
Five More Massive Binaries in the Cygnus OB2 Association
AJ 137 4608 2009 June
HIRES
article
Kirby, E.; Guhathakurta, P.; Bolte, M.; et. al.
Multi-element Abundance Measurements from Medium-resolution Spectra. I. The
Sculptor Dwarf Spheroidal Galaxy
ApJ 705 328 2009 November
DEIMOS
article
Kishimoto, M.; Hoenig, S.; Antonucci, R.; et. al.
Exploring the inner region of type 1 AGNs with the Keck interferometer
A&A 507 L57 2009 December
AO IF NGS
article
Kobayashi, H.; Kawakita, H.
Formation Conditions of Icy Materials in Comet C/2004 q2 (Machholz). I.
Mixing Ratios of Organic Volatiles
ApJ 703 121 2009 September
NIRSPEC
Kocevski, D.; Lubin, L.; Gal, R.; et. al.
Chandra Observations of the CL1604 Supercluster at z = 0.9: Evidence for AN
Overdensity of Active Galactic Nuclei
ApJ 690 295 2009 January
LRIS DEIMOS
article
Kocevski, D.; Lubin, L.; Lemaux, B.; et.al.
Properties of Galaxies Hosting X-ray-selected Active Galactic Nuclei in the
CL1604 Supercluster at z = 0.9
ApJ 700 901 2009 August
DEIMOS
article
Kocevski, D.; Lubin, L.; Lemaux, B.; et. al.
No Evidence of Quasar-Mode Feedback in a Four-Way Group Merger at z ~ 0.84
ApJ 703 L33 2009 September
DEIMOS
article
Koch, A.; Côté, P.; McWilliam, A.
All quiet in the outer halo: chemical abundances in the globular cluster Pal
3
A&A 506 729 2009 November
HIRES LRIS
article
Konacki, M.; Muterspaugh, M.; Kulkarni, S.; Helminiak, K.
The Radial Velocity Tatooine Search for Circumbinary Planets: Planet
Detection Limits for a Sample of Double-Lined Binary Stars—Initial Results
from Keck I/Hires, Shane/CAT/Hamspec, and TNG/Sarg Observations
ApJ 704 513 2009 October
HIRES
article
Kotak, R.; Meikle, W.; Farrah, D.; et. al.
Dust and The Type II-Plateau Supernova 2004et
ApJ 704 306 2009 October
DEIMOS LRIS
article
Kraus, A.; Hillenbrand, L.
Unusually Wide Binaries: Are They Wide or Unusual?
ApJ 703 1511 2009 October
AO LGS NGS NIRC2 NIRSPEC
article
Kuraszkiewicz, J.; Wilkes, B.; Schmidt, G.; et. al.
The Spectral Energy Distributions of Red Two Micron All Sky Survey Active
Galactic Nuclei
ApJ 692 1143 2009 February
article
Lai, D.; Rockosi, C.; Bolte, M.; et. al.
A Unique Star in the Outer Halo of the Milky Way
ApJ 697 L63 2009 May
ESI
article
Langland-Shula, L.; Vogt, S.; Charbonneau, D.; et. al.
A HIRES/Keck Spectroscopic Investigation of the Measurement of Sodium in the
Atmosphere of HD 209458b
ApJ 696 1355 2009 May
HIRES
article
Latham, D.; Bakos, G.; Torres, G.; et. al.
Discovery of a Transiting Planet and Eight Eclipsing Binaries in HATNet
Field G205
ApJ 704 1107 2009 October
HIRES
article
Laughlin, G.; Deming, D.; Langton, J.; et. al.
Rapid heating of the atmosphere of an extrasolar planet
Nature 457, 562 2009 January
article
Laver, C.; de Pater, I.
The global distribution of sulfur dioxide ice on Io, observed with OSIRIS on
the W.M. Keck telescope
Icarus 201 172 2009 May
AO NGS OSIRIS
article
Laver, C.; de Pater, I.; Marchis, F.; et. al.
Component-resolved Near-infrared Spectra of the (22) Kalliope System
Icarus 204 574 2009 December
AO NGS OSIRIS
article
Law, D.; Steidel, C.; Erb, D.; et. al.
The Kiloparsec-scale Kinematics of High-redshift Star-forming Galaxies
ApJ 697 2057 2009 June
AO LGS OSIRIS
article
Lemaux, B.; Lubin, L.; Sawicki, M.; et. al.
Serendipitous Discovery of an Overdensity of Lya Emitters at z ~ 4.8 in the
CL1604 Supercluster Field
ApJ 700 20 2009 June
DEIMOS
article
Letarte, B.; Chapman, S.; Collins, M.; et. al.
A Keck/DEIMOS spectroscopic survey of the faint M31 satellites AndXV and
AndXVI
MNRAS 400 1472 2009 December
DEIMOS
article
Limousin, M.; Cabanac, R.; Gavazzi, R.; et. al.
A new window of exploration in the mass spectrum: strong lensing by galaxy
groups in the SL2S
A&A 502 445 2009 August
LRIS
article
Lowenthal, J.; Koo, D.; Simard, L.; van Dampen, E.
Dynamics of Lyman Break Galaxies and Their Host Halos
ApJ 703 198 2009 September
LRIS
article
Lu, J.; Ghez, A.; Hornstein, S.; et. al.
A Disk of Young Stars at the Galactic Center as Determined by Individual
Stellar Orbits
ApJ 690 1463 2009 January
AO
article
Lubin, L.; Gal, R.; Lemaux, B.; et. al.
The Observations of Redshift Evolution in Large Scale Environments (ORELSE)
Survey : I. The Survey Design and First Results on Cl 0023+0423 at z = 0.84
and RX J1821.6+6827 at z = 0.82
AJ 137 4867 2009 June
DEIMOS
article
Luo, B.; Brandt, W.; Silverman, J.; et. al.
Discovery of the Most Distant Double-Peaked Emitter at z = 1.369
ApJ 695 1227 2009 April
DEIMOS
article
Ly, C.; Malkan, M.; Treu, T.; et. al.
Lyman Break Galaxies at z ˜ 1.8-2.8: GALEX/NUV Imaging of the Subaru Deep
Field
ApJ 697 1410 2009 June
LRIS
article
Lyke, J.; Campbell, R.
The Distance and Morphology of V723 Cassiopeiae (Nova Cassiopeia 1995)
AJ 138 1090 2009 October
NIRSPEC OSIRIS LGS AO
article
Ma, C.; Ebeling, H.; Barrett, E.
An X-Ray/Optical Study of the Complex Dynamics of the Core of the Massive
Intermediate-Redshift Cluster MACSJ0717.5+3745
ApJ 693 L56 2009 March
DEIMOS
article
Mace, G.; Prato, L.; Wasserman, L.; et. al.
The Highly Eccentric Pre-Main-Sequence Spectroscopic Binary RX
J0529.3+1210
AJ 137 3487 2009 March
NIRSPEC
article
Maeda, K.; Kawabata, K.; Li, W.; et. al.
Subaru and Keck Observations of the Peculiar Type Ia Supernova 2006GZ at
Late Phases
ApJ 690 1745 2009 January
LRIS
article
Magnelli, B.; Elbaz, D.; Chary, R.; et. al.
The 0.4 < z < 1.3 star formation history of the Universe as viewed in the
far-infrared
A&A 496 57 2009 March
DEIMOS
article
Maness, H.; Kalas, P.; Peek, K.; et. al.
Hubble Space Telescope Optical Imaging of the Eroding Debris Disk HD 61005
ApJ 707 1098 2009 December
HIRES
article
Manfroid, J.; Jehin, E.; Hutsemékers, D.; et. al.
The CN isotopic ratios in comets
A&A 503 613 2009 August
HIRES
article
Martell, S.; Smith, G.
CN Variations in High-Metallicity Globular and Open Clusters
PASP 121 577 2009 June
LRIS
article
Martin, C.; Bouché, N.
Physical Conditions in the Low-ionization Component of Starburst Outflows:
The Shape of Near-Ultraviolet and Optical Absorption-line Troughs in Keck
Spectra of ULIRGs
ApJ 703 1394 2009 October
LRIS
article
Martinache, F.; Rojas-Ayala, B.; Ireland, M.; et. al.
Visual Orbit of the Low-Mass Binary GJ 164 AB
ApJ 695 1183 2009 April
AO NIRC2
article
Mc Leod, K.; Bechtold, J.
Host Galaxies of z = 4 Quasars
ApJ 704 415 2009 October
DEIMOS
article
McCrady, N.
Probing young massive clusters with laser guide star adaptive optics
Ap&SS 324 109 2009 December
AO LGS OSIRIS
Melbourne, J.; Bussman, S.; Brand, K.; et. al.
High Redshift Dust Obscured Galaxies, A Morphology-SED Connection Revealed
by Keck Adaptive Optics
AJ 137 4854 2009 June
AO LGS NGS NIRC2
article
Meléndez, J.; Barbuy, B.
Both accurate and precise gf-values for Fe II lines
A&A 497 611 2009 April
HIRES
article
Meléndez, J.; Cohen, J. G.
The Rise of the AGB in the Galactic Halo: Mg Isotopic Ratios and High
Precision Elemental Abundances in M71 Giants
ApJ 699 2017 2009 July
HIRES
article
Meléndez, J.; Asplund, M.; Gustafsson, B.; Yong, D.
The Peculiar Solar Composition and Its Possible Relation to Planet
Formation
ApJ 704 L66 2009 October
HIRES
article
Melis, C.; Zuckerman, B.; Song, I.; et. al.
A Substantial Dust Disk Surrounding an Actively Accreting First-Ascent Giant
Star
ApJ 696 1964 2009 May
AO HIRES NGS NIRC2
article
Meschiari, S.; Wolf, A.; Rivera, E.; et. al.
Systemic: A Testbed for Characterizing the Detection of Extrasolar Planets.
I. The Systemic Console Package
PASP 121 1016 2009 September
article
Metchev, S.; Hillenbrand, L.
The Palomar/Keck Adaptive Optics Survey of Young Solar Analogs: Evidence for
a Universal Companion Mass Function
ApJS 181 62 2009 March
AO NIRC2
article
Metchev, S.; Marois, C.; Zuckerman, B.
Pre-Discovery 2007 Image of the HR 8799 Planetary System
ApJ 705 L204 2009 November
AO NGS NIRC2
article
Meyer, L.; Do, T.; Ghez, A.; et. al.
A Power-Law Break in the Near-Infrared Power Spectrum of the Galactic Center
Black Hole
ApJ 694 L87 2009 March
article
Miller, A.; Chornock, R.; Perley, D.; et. al.
The Exceptionally Luminous Type II-Linear Supernova 2008es
ApJ 690 1303 2009 January
LRIS
article
Modjaz, M.; Li, W.; Butler, N.; et. al.
From Shock Breakout to Peak and Beyond: Extensive Panchromatic Observations
of the Type Ib Supernova 2008D Associated with Swift X-ray Transient
080109
ApJ 702 226 2009 September
LRIS
article
Monnier, J.; Tuthill, P.; Ireland, M.; et. al.
Mid-Infrared Size Survey of Young Stellar Objects: Description of Keck
Segment-Tilting Experiment and Basic Results
ApJ 700 491 2009 July
LWS
article
Montero-Dorta, A.; Croton, D.; Yan, R.; et. al.
The DEEP2 Galaxy Redshift Survey: the red sequence AGN fraction and its
environment and redshift dependence
MNRAS 392 125 2009 January
DEIMOS
article
Mumma, M.; Villaneuva, G.; Novak, R.; et. al.
Strong Release of Methane on Mars in Northern Summer 2003
Science 323 1041 2009 February
article
Najita, J.; Doppmann, G.; Carr, J.; et. al.
High-Resolution K-Band Spectroscopy of MWC 480 and V1331 Cyg
ApJ 691 738 2009 January
NIRSPEC
article
Najita, J.; Doppmann, G.; Bitner, M.; et. al.
High-Resolution Spectroscopy of [Ne II] Emission from AA Tau and GM Aur
ApJ 697 957 2009 May
NIRSPEC
article
Newman, A.; Treu, T.; Ellis, R.; et. al.
The Distribution of Dark Matter Over Three Decades in Radius in the Lensing
Cluster Abell 611
ApJ 706 1078 2009 December
LRIS
article
Nobili, S.; Fadeyev, V.; Aldering, G.; et. al.
Constraining Dust and Color Variations of High-z SNe Using NICMOS on the
Hubble Space Telescope
ApJ 700 1415 2009 August
LRIS
article
O'Toole, S.; Jones, H.; Tinney, C.; et. al.
The Frequency of Low-Mass Exoplanets
ApJ 701 1732 2009 August
HIRES
article
O'Toole, S.; Tinney, C.; Butler, R.; et. al.
A Neptune-mass Planet Orbiting the Nearby G Dwarf HD 16417
ApJ 697 1263 2009 June
HIRES
article
Ouchi, M.; Ono, Y.; Egami, E.; et. al.
Discovery of a Giant Lya Emitter Near the Reionization Epoch
ApJ 696 1164 2009 May
DEIMOS
article
Page, K.; Willingale, R.; Bissaldi, E.; et. al.
Multiwavelength observations of the energetic GRB 080810: detailed mapping
of the broad-band spectral evolution
MNRAS 400 134 2009 November
HIRES
article
Pál, A.; Bakos, G.; Fernandez, J.; et. al.
Independent confirmation and refined parameters of the hot Jupiter XO-5b
ApJ 700 783 2009 July
HIRES
article
Pannella, M.; Carilli, C.; Daddi, E.; et. al.
Star Formation and Dust Obscuration at z ˜ 2: Galaxies at the Dawn of
Downsizing
ApJ 698 L116 2009 June
article
Patel, S.; Kelson, D.; Holden, B.; et. al.
A Wide-Field Study of the z ~ 0.8 Cluster RX J0152.7–1357: The Role of
Environment in the Formation of the Red Sequence
ApJ 694 1349 2009 April
article
Patel, S.; Holden, B.; Kelson, D.; et. al.
The Dependence of Star Formation Rates on Stellar Mass and Environment at z
~ 0.8
ApJ 705 L67 2009 November
article
Peek, K.; Johnson, J.; Fischer, D.; et. al.
Old, Rich, and Eccentric: Two Jovian Planets Orbiting Evolved Metal-Rich
Stars
PASP 121 613 2009 June
HIRES
article
Peek, K.
A New Technique for Determining Europium Abundances in Solar-Metallicity
Stars
PASP 121 755 2009 July
HIRES
article
Perley, D.; Metzger, B.; Granot, J.; et. al.
GRB 080503: Implications of a Naked Short Gamma-Ray Burst Dominated by
Extended Emission
ApJ 696 1871 2009 May
LRIS
article
Perley, D.; Cenko, S.; Bloom, J.; et. al.
The Host Galaxies of Swift Dark Gamma-ray Bursts: Observational Constraints
on Highly Obscured and Very High Redshift GRBs
AJ 138 1690 2009 December
LRIS
article
Pollack, L.; Chen, H.; Prochaska, J.; Bloom, J.
An Imaging and Spectroscopic Study of Four Strong Mg II Absorbers Revealed
by GRB 060418
ApJ 701 1605 2009 August
LRIS NIRC2 LGS
article
Poznanski, D.; Butler, N.; Filippenko, A.; et. al.
Improved Standardization of Type II-P Supernovae: Application to an Expanded
Sample
ApJ 694 1067 2009 April
DEIMOS LRIS
article
Prochaska, J.; Sheffer, Y.; Perley, D.; et. al.
The First Positive Detection of Molecular Gas in a GRB Host Galaxy
ApJ 691 L27 2009 January
article
Prochaska, J.; Hennawi, J.
Quasars Probing Quasars. III. New Clues to Feedback, Quenching, and the
Physics of Massive Galaxy Formation
ApJ 690 1558 2009 January
HIRES
article
Proctor, R.; Forbes, D.; Romanowsky, A.; et. al.
Probing the 2D kinematic structure of early-type galaxies out to three
effective radii
MNRAS 398 91 2009 September
DEIMOS
article
Rafelski, M.; Wolfe, A.; Cooke, J.; Chen, H.; Armandroff, T.; Wirth, G.
Deep Keck u-Band Imaging of the Hubble Ultra Deep Field: A Catalog of z ~ 3
Lyman Break Galaxies
ApJ 703 2033 2009 October
LRIS-B
article
Ragland, S.; Akeson, R.; Armandroff, T.; et. al.
First L-Band Interferometric Observations of a Young Stellar Object: Probing
the Circumstellar Environment of MWC 419
ApJ 703 22 2009 September
AO IF NGS
article
Ragozzine, D.; Brown, M.
Orbits and Masses of the Satellites of the Dwarf Planet Haumea (2003 EL61)
AJ 137 4766 2009 June
AO LGS NIRC2
article
Rahmani, H.; Saslaw, W.; Tavasoli, S.
The Spatial Distribution Function of Galaxies at High Redshift
ApJ 695.1121 2009 April
DEIMOS LRIS
article
Reach, W.; Faied, D.; Rho, J.; et. al.
Properties of Protostars in the Elephant Trunk in the Globule IC 1396A
ApJ 690 683 2009 January
NIRSPEC
article
Reddy, N.; Steidel, C.
A Steep Faint-End Slope of the UV Luminosity Function at z ~ 2-3:
Implications for the Global Stellar Mass Density and Star Formation in Low-
Mass Halos
ApJ 692 778 2009 February
LRIS
article
Reiners, A.; Basri, G.; Browning, M.
Evidence for Magnetic Flux Saturation in Rapidly Rotating M Stars
ApJ 692 538 2009 February
HIRES
article
Reiners, A.; Basri, G.; Christensen, U.
Surprisingly Weak Magnetism on Young Accreting Brown Dwarfs
ApJ 697 373 2009 May
HIRES
article
Reiners, A.; Basri, G.
A Volume-limited Sample of 63 M7--M9.5 Dwarfs I. Space Motion, Kinematic
Age, and Lithium
ApJ 705 1416 2009 November
HIRES
article
Reiners, A.; Basri, G.
On the magnetic topology of partially and fully convective stars
A&A 496 787 2009 March
HIRES
article
Rich, J.; Boesgaard, A.
Beryllium, Oxygen, and Iron Abundances in Extremely Metal-Deficient Stars
ApJ 701 1519 2009 August
HIRES
article
Richard, J.; Pei, L.; Limousin, M.; et. al.
Keck spectroscopic survey of strongly lensed galaxies in Abell 1703: further
evidence of a relaxed, unimodal cluster
A&A 498 37 2009 April
LRIS
article
Riess, A.; Macri, L.; Li, W.; et. al.
Cepheid Calibrations of Modern Type Ia Supernovae: Implications for the
Hubble Constant
ApJS 183 109 2009 July
LRIS
article
Roederer, I.; Kratz, K.; Frebel, A.; et. al.
The End of Nucleosynthesis: Production of Lead and Thorium in the Early
Galaxy
ApJ 698 1963 2009 June
HIRES
article
Romanowsky, A.; Strader, J.; Spitler, L.; et. al.
Mapping The Dark Side with DEIMOS: Globular Clusters, X-Ray Gas, and Dark
Matter in the NGC 1407 Group
AJ 137 4956 2009 June
DEIMOS LRIS
article
Rubin, D.; Linder, E.; Kowalski, M.; et. al.
Looking Beyond Lambda with the Union Supernova Compilation
ApJ 695 391 2009 April
Ryan-Weber, E.; Pettini, M.; Madau, P.; Zych, B.
A downturn in intergalactic C iv as redshift 6 is approached
MNRAS 395 1476 2009 May
NIRSPEC
article
Salim, S.; Dickinson, M.; Michael R.; et. al.
Mid-IR Luminosities and UV/Optical Star Formation Rates at z < 1.4
ApJ 700 161 2009 July
DEIMOS
article
Salvato, M.; Hasinger, G.; Ilbert, O.; et. al.
Photometric Redshift and Classification for the XMM-COSMOS Sources
ApJ 690 1250 2009 January
DEIMOS
article
Salyk, C.; Blake, G. A.; Boogert, A. C. A.; Brown, J.
High-resolution 5 µm Spectroscopy of Transitional Disks
ApJ 699 330 2009 July
NIRSPEC
article
Sambruna, R.; Reeves, J.; Braito, V.; et. al.
Structure of the Accretion Flow in Broad-Line Radio Galaxies The Case of 3C
390.3
ApJ 700 1473 2009 August
ESI
article
Sato, B.; Fischer, D.; Ida, S.; et. al.
A Substellar Companion in a 1.3 yr Nearly Circular Orbit of HD 16760
ApJ 703 671 2009 September
HIRES
article
Sato, T.; Martin, C.; Noeske, K.; et. al.
AEGIS: The Nature of the Host Galaxies of Low-Ionization Outflows at z <
0.6
ApJ 696 214 2009 May
DEIMOS
article
Saul D.; Richer, H.; Rich, R.; et. al.
The Spectral Types of White Dwarfs in Messier 4
ApJ 705 398 2009 November
LRIS
article
Schneider, N.; Burger, M.; Schaller, E.; et. al.
No sodium in the vapour plumes of Enceladus
Nature 459 1102 2009 June
HIRES
article
Schuh, S.; Kruspe, R.; Lutz, R.; Silvotti, R.
Time-resolved spectroscopy of the planet-hosting sdB pulsator V391 Pegasi
CoAst 159 91 2009 March
HIRES
Seo, H.; Kim, S.; Kim, J.; et. al.
Titan at 3 microns: Newly identified spectral features and an improved
analysis of haze opacity
Icarus 199 449 2009 February
NIRSPEC
article
Shetrone, M.; Siegel, M.; Cook, D.; Bosler, T.
Chemical Abundances of the Leo II Dwarf Galaxy
AJ 137 62 2009 January
LRIS
article
Shields, G.; Rosario, D.; Smith, K.; et. al.
The Quasar SDSS J105041.35+345631.3: Black Hole Recoil or Extreme Double-
Peaked Emitter?
ApJ 707 936 2009 December
LRIS
article
Shkolnik, E.; Liu, M.; Reid, I.
Identifying the Young Low-mass Stars within 25 pc. I. Spectroscopic
Observations
ApJ 699 649 2009 July
HIRES
article
Silverman, J.; Mazzali, P.; Chornock, R.; et. al.
Optical Spectroscopy of the Somewhat Peculiar Type IIb Supernova 2001ig
PASP 121 689 2009 July
LRIS
article
Simon, J.; Gal-Yam, A.; Gnat, O.; et. al.
Variable Sodium Absorption in a Low-extinction Type Ia Supernova
ApJ 702 1157 2009 September
HIRES
article
Smith, G.; Ebeling, H.; Limousin, M.; et. al.
Hubble Space Telescope Observations of a Spectacular New Strong-Lensing
Galaxy Cluster: MACS J1149.5+2223 at z = 0.544
ApJ, 707 163 2009 December
LRIS
article
Smith, N.; Ganeshalingam, M.; Chornock, R.; et. al.
SN 2008S: A Cool Super-Eddington Wind in a Supernova Impostor
ApJ 697 L49 2009 May
LRIS
article
Smith, N.; Silverman, J.; Chornock, R.; et. al.
Coronal Lines and Dust Formation in SN 2005ip: Not the Brightest, but the
Hottest Type IIn Supernova
ApJ 695 1334 2009 April
DEIMOS LRIS
article
Sollerman, J.; Mörtsell, E.; Davis, T.; et. al.
First-Year Sloan Digital Sky Survey-II (SDSS-II) Supernova Results:
Constraints on Nonstandard Cosmological Models
ApJ 703 1374 2009 October
article
Sozzetti, A.; Torres, G.; Charbonneau, D.; et. al.
A New Spectroscopic and Photometric Analysis of the Transiting Planet
Systems TrES-3 and TrES-4
ApJ 691 1145 2009 February
HIRES
article
Sozzetti, A.; Torres, G.; Latham, D.; et. al.
A Keck HIRES Doppler Search for Planets Orbiting Metal-Poor Dwarfs. II. On
the Frequency of Giant Planets in the Metal-Poor Regime
ApJ 697 544 2009 May
HIRES
article
Sromovsky, L.; Fry, P.; Hammel, H.; et. al.
Uranus at Equinox: Cloud Morphology and Dynamics
Icarus 203 265 2009 September
AO NGS NIRC2
article
Stalder, B.; Chambers, K.; Vacca, W.
58 Radio Sources Near Bright Natural Guide Stars
ApJS 185 124 2009 November
AO NGS OSIRIS
article
Stark, C.; Kuchner, M.; Traub, W.; et. al.
51 Ophiuchus: A Possible Beta Pictoris Analog Measured with the Keck
Interferometer Nuller
ApJ 703 1188 2009 September
AO IF NGS
article
Stolte, A.; Ghez, A.; Morris, M.; et. al.
The orbital motion of the Arches cluster: clues on cluster formation near
the Galactic Center
Ap&SS 324 137 2009 December
AO LGS NIRC2
article
Strader, J.; Smith, G.; Larsen, S.; et. al.
Mass-to-Light Ratios for M31 Globular Clusters: Age Dating and a Surprising
Metallicity Trend
AJ 138 547 2009 August
HIRES
article
Stratta, G.; Pozanenko, A.; Atteia, J.-L.; et. al.
A multiwavelength study of Swift GRB 060111B constraining the origin of its
prompt optical emission
A&A 503, 783 September 2009
LRIS
article
Sukhbold, T.; Howell, S.
Periodic Variables and Gyrochronology in the Open Cluster NGC 2301
PASP 121 1188 2009 November
ESI
article
Sullivan, M.; Ellis, R.; Howell, D.; Riess, A.; et. al.
The Mean Type Ia Supernova Spectrum Over the Past Nine Gigayears
ApJ 693 L76 2009
LRIS
article
Tejos, N.; Lopez, S.; Prochaska, J.; et. al.
Casting Light on the "Anomalous" Statistics of Mg II Absorbers Toward Gamma-
ray Burst Afterglows: The Incidence of Weak Systems
ApJ 706 1309 2009 December
HIRES
article
Tolstoy, E.; Hill, V.; Tosi, M.
Star-Formation Histories, Abundances, and Kinematics of Dwarf Galaxies in
the Local Group
ARA&A 47 371 2009 September
article
Tran, K.; Saintonge, A.; Moustakas, J.; et. al.
A Spectroscopically Confirmed Excess of 24 µm Sources in a Super Galaxy
Group at z = 0.37: Enhanced Dusty Star Formation Relative to the Cluster and
Field Environment
ApJ 705 809 2009 November
LRIS
article
Trouille, L.; Barger, A.; Cowie, L.; et. al.
The OPTX Project. III. X-ray Versus Optical Spectral Type for Active
Galactic Nuclei
ApJ 703 2160 2009 October
DEIMOS
article
Tylenda, R.; Kaminski, T.; Schmidt, M.
An analysis of a spectrum of V838 Monocerotis in October 2005
A&A 503 899 2009 September
HIRES
article
U, Vivian; Urbaneja, M.; Kudritzki, R
A New Distance to M33 Using Blue Supergiants and the FGLR Method
ApJ 704 1120 2009 October
DEIMOS ESI
article
Urrutia, T.; Becker, R.; White, R.; et. al.
The FIRST-2MASS Red Quasar Survey. II. An Anomalously High Fraction of
LoBALs in Searches for Dust-Reddened Quasars
ApJ 698 1095 2009 June
ESI LRIS
article
Valenti, J.; Fischer, D.; Marcy, G.; et. al.
Two Exoplanets Discovered at Keck Observatory
ApJ 702 989 2009 September
HIRES
article
van Breukelen, C.; Simpson, C.; Rawlings, S.; et. al.
Evidence of a link between the evolution of clusters and their AGN
fraction
MNRAS 395 11 2009 May
DEIMOS
article
Veras, D.; Ford, E.
Secular Evolution of HD 12661: a System Caught at AN Unlikely Time
ApJ 690 L1 2009 January 1
article
Vinkó, J.; Sárneczky, K.; Balog, Z.; et. al.
The Young, Massive, Star Cluster Sandage-96 After the Explosion of Supernova
2004dj in NGC 2403
ApJ 695 619 2009 April
DEIMOS
article
Walkowicz, L.; Hawley, S.
Tracers of Chromospheric Structure. I. Observations of Ca II K and Ha in M
Dwarfs
AJ 137 3297 2009 February
HIRES
article
Wang, X.; Li, W.; Filippenko, A.; et. al.
The Golden Standard Type Ia Supernova 2005cf: Observations from the
Ultraviolet to the Near-Infrared Wavebands
ApJ 697 380 2009 May
DEIMOS LRIS
article
Weiner, B.; Coil, A.; Prochaska, J.; et. al.
Ubiquitous Outflows in DEEP2 Spectra of Star-Forming Galaxies at z = 1.4
ApJ 692 187 2009 February
DEIMOS
article
West, A.; Basri, G.
A First Look at Rotation in Inactive Late-Type M Dwarfs
ApJ 693 1283 2009 March
HIRES
article
Williams, K.; Bolte, M.; Koester, D.
Probing the Lower Mass Limit for Supernova Progenitors and the High-Mass End
of the Initial-Final Mass Relation from White Dwarfs in the Open Cluster M35
(NGC 2168)
ApJ 693 355 2009 March
LRIS
article
Winn, J.; Holman, M.; Henry, G.; et. al.
The Transit Light Curve Project. X. A Christmas Transit of HD 17156b
ApJ 693 794 2009 March
HIRES
article
Winn, J.; Johnson, J.; Fabrycky, D.; et. al.
On the Spin-Orbit Misalignment of the XO-3 Exoplanetary System
ApJ 700 302 2009 July
HIRES
article
Winn, J.; Johnson, J.; Albrecht, S.; et. al.
HAT-P-7: A Retrograde or Polar Orbit, and a Third Body
ApJ 703 L99 2009 October
HIRES
article
Winn, J.; Howard, A.; Johnson, J.; et. al.
The Transit Ingress and the Tilted Orbit of the Extraordinarily Eccentric
Exoplanet HD 80606b
ApJ 703 2091 2009 October
HIRES
article
Woodruff, H.; Ireland, M.; Tuthill, P.; et. al.
The Keck Aperture Masking Experiment: Spectro-Interferometry of Three Mira
Variables from 1.1 to 3.8 µm
ApJ 691 1328 2009 February
NIRC
article
Wright, J.; Upadhyay, S.; Marcy, G.; et. al.
Ten New and Updated Multiplanet Systems and a Survey of Exoplanetary
Systems
ApJ 693 1084 2009 March
HIRES
article
Wright, J.; Fischer, D.; Ford, E.; et. al.
A Third Giant Planet Orbiting HIP 14810
ApJ 699 L97 2009 July
HIRES
article
Wright, S.; Larkin, J.; Law, D.; et. al.
Dynamics of Galactic Disks and Mergers at z ~ 1.6: Spatially Resolved
Spectroscopy with Keck Laser Guide Star Adaptive Optics
ApJ 699 421 2009 July
AO LGS OSIRIS
article
Wuyts, S.; van Dokkum, P.; Franx, M.; et. al.
Optical Spectroscopy of Distant Red Galaxies
ApJ 706 885 2009 November
DEIMOS LRIS
article
Yan, R.; Newman, J.; Faber, S.; et. al.
The DEEP2 Galaxy Redshift Survey: environments of post-starburst galaxies at
z ~ 0.1 and ~0.8
MNRAS 398 735 2009 September
DEIMOS
article
Zapatero Osorio, M.; Martín, E.; del Burgo, C.
Infrared radial velocities of vB 10
A&A 505 L5 2009 October
NIRSPEC
article
Zhu, G.; Moustakas, J.; Blanton, M.
The [O II] 3727 Luminosity Function at z ~ 1
ApJ 701 86 2009 August
DEIMOS
article