Celebrating 20 years of science 1993 - 2013
Science Bibliography
Articles referencing data collected at W.M. Keck Observatory.
This bibliography is limited to articles published in refereed journals.
2013
100 update 9May13
Fluctuations of the intergalactic ionization field at redshift z ~ 2
A&A 552 A83
2013 April
HIRES
The impact of red noise in radial velocity planet searches: Only three planets orbiting GJ581?
MNRAS 429 2052
2013 March
HIRES
The Coldest Brown Dwarf (Or Free Floating Planet)?: The Y Dwarf WISE 1828+2650
ApJ 764 101
2013 February
AO LGS NIRC2
Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. V. Evidence for a wide age distribution and a complex MDF
A&A 549 A147
2013 January
HIRES
Massive and Newly Dead: Discovery of a Significant Population of Galaxies with High-velocity Dispersions and Strong Balmer Lines at z ~ 1.5 from Deep Keck Spectra and HST/WFC3 Imaging
ApJ 764 L8
2013 February
LRIS
Evidence for two modes of water release in Comet 103P/Hartley 2: Distributions of column density, rotational temperature, and ortho-para ratio
Icarus 222 740
2013 February
NIRSPEC
Kepler-62: A Five- Planet System with Planets of 1.4 and 1.6 Earth Radii in the Habitable Zone
Science Express
2013
AO NGS NIRC2
Late-time Radio Emission from X-Ray-selected Tidal Disruption Events
ApJ 763 84
2013 February
LRIS
Salts and radiation products on the surface of Europa
AJ 145 110
2013 April
AO NGS OSIRIS
Dynamics in the satellite system of Triangulum: is And XXII a dwarf satellite of M33?
MNRAS 430 37
2013 March
DEIMOS
Precise Doppler Monitoring of Barnard's Star
ApJ 764 131
2013 February
HIRES
Precise High- cadence Time Series Observations of Five Variable Young Stars in Auriga with MOST
AJ 145 79
2013 March
NIRC2
A Kinematic Study of the Andromeda Dwarf Spheroidal System
ApJ 768 172
2013 May
DEIMOS LRIS
Strontium and Barium In Early-Type Galaxies
ApJ 763 L25
2013 February
LRIS
The explosion energy of early stellar populations: The Fe-peak element ratios in low metallicity damped Lyman-alpha systems
MNRAS 431 1625
2013 May
HIRES
Ruprecht 147: The Oldest Nearby Open Cluster as a New Benchmark for Stellar Astrophysics
AJ 145 134
2013 May
HIRES
A high- resolution infrared spectral survey of 103P/Hartley 2 on the night of the EPOXI closest approach
Icarus 222 707
2013 February
NIRSPEC
Highly Depleted Ethane and Mildly Depleted Methanol in Comet 21P/Giacobini-Zinner: Application of a New Empirical ν 2-band Model for CH3OH near 50 K
ApJ 763 1
2013 January
NIRSPEC
Stellar Populations in the Central 0.5 pc of the Galaxy. I. A New Method for Constructing Luminosity Functions and Surface-density Profiles
ApJ 764 154
2013 February
AO LGS NIRC2 OSIRIS
The SWELLS survey - V. A Salpeter stellar initial mass function in the bulges of massive spiral galaxies
MNRAS 428 3183
2013 February
LRIS
Disk-related Bursts and Fades in Young Stars
ApJ 768 93
2013 May
DEIMOS
Type Iax Supernovae: A New Class of Stellar Explosion
ApJ 767 57
2013 April
LRIS
Absorbing gas around the WASP-12 planetary system
ApJ 766 L20
2013 April
HIRES
The Mass, Orbit, and Tidal Evolution of the Quaoar-Weywot System
Icarus 222 357
2013 January
AO NGS NIRC2
Hot subdwarf stars in close-up view - III. Metal abundances of subdwarf B stars
A&A 549A 110
2013 January
HIRES
Kepler-68: Three Planets, One with a Density between that of Earth and Ice Giants
ApJ 766 40
2013 March
HIRES
SGAS 143845.1+145407: A Big, Cool Starburst at Redshift 0.816
ApJ 764 177
2013 February
NIRSPEC
The Homogeneous Study of Transiting Systems (HoSTS) I. The Pilot Study of WASP-13
ApJ 768 79
2013 May
HIRES
Keck II Observations of Hemispherical Differences in H2O2 on Europa
ApJ 766 L21
2013 April
NIRSPEC
Gas Motion Study of Ly alpha Emitters at z~2 Using UV and Optical Spectral Lines
ApJ 765 70
2013 March
NIRSPEC
Quasars Probing Quasars. IV. Joint Constraints on the Circumgalactic Medium from Absorption and Emission
ApJ 766 58
2013 March
LRIS
Highly Variable Extinction and Accretion in the Jet-driving Class I-type Young Star PTF 10nvg (V2492 Cyg, IRAS 20496+4354)
AJ 145 59
2013 March
HIRES LRIS NIRC2 NIRSPEC
High Resolution Infrared Imaging & Spectroscopy of the Z Canis Majoris System During Quiescence & Outburst
ApJ 763 L9
2013 January
AO NGS NIRC2 NIRSPEC
Internal Stellar Kinematics of M32 from the SPLASH Survey: Dark Halo Constraints
ApJ 765 65
2013 March
DEIMOS
Fundamental Properties of Kepler Planet-Candidate Host Stars using Asteroseismology
ApJ 767 127
2013 April
HIRES
Polarized extended Ly-alpha emission from a z=2.3 radio galaxy
ApJ 768 3
2013 May
LRIS
A Vast Thin Plane of Co- rotating Dwarf Galaxies Orbiting the Andromeda Galaxy
Nature 493 62
2013 January
Large Particles in Active Asteroid P/2010 A2
ApJ 764 L5
2013 February
LRIS
Properties of Near-Sun Asteroids
AJ 145 133
2013 May
LRIS
Retired A Stars: The Effect of Stellar Evolution on the Mass Estimates of Subgiants
ApJ 763 53
2013 January
The Origin and Evolution of Metallicity Gradients: Probing the Mode of Mass Assembly at z 2
ApJ 765 48
2013 March
AO LGS NIRSPEC OSIRIS
Widespread and Hidden Active Galactic Nuclei in Star-forming Galaxies at Redshift >0.3
ApJ 764 176
2013 February
DEIMOS
A Metal- rich Low-gravity Companion to a Massive Millisecond Pulsar
ApJ 765 158
2013 March
LRIS
Testing Models of Intrinsic Brightness Variations in Type Ia Supernovae and Their Impact on Measuring Cosmological Parameters
ApJ 764 48
2013 February
Detection of Carbon Monoxide and Water Absorption Lines in an Exoplanet Atmosphere
Science 339 1398
2013 March
AO LGS NGS OSIRIS
Resolving the gap and AU-scale asymmetries in the pre-transitional disk of V1247 Orionis
ApJ 768 80
2013 May
AO NGS IF NIRC
The Comparative Chemical Evolution of an Isolated Dwarf Galaxy: A VLT and Keck Spectroscopic Survey of WLM
ApJ 767 131
2013 April
DEIMOS
Five New Outbursting AM CVn Systems Discovered by the Palomar Transient Factory
MNRAS 430 996
2013 April
DEIMOS LRIS
Orbital Phase Variations of the Eccentric Giant Planet HAT-P-2b
ApJ 766 95
2013 March
AO NGS NIRC2 HIRES
Stellar Populations in the Central 0.5 pc of the Galaxy II: The Initial Mass Function
ApJ 764 155
2013 February
AO LGS NIRC2 OSIRIS
A Study of the Diverse T Dwarf Population Revealed by WISE
ApJS 205 6
2013 March
AO LGS NIRC2 NIRSPEC
Characteristics and large bulk density of the C-type main-belt triple asteroid (93) Minerva
Icarus 224 178
2013 May
AO LGS NGS NIRC2
Extended Photometry for the DEEP2 Galaxy Redshift Survey: A Testbed for Photometric Redshift Experiments
ApJS 204 21
2013 February
DEIMOS
The Unprecedented 2012 Outburst of SN 2009ip: A Luminous Blue Variable Becomes a True Supernova
MNRAS
2013 April
DEIMOS LRIS
SN 2011ht: Confirming a Class of Interacting Supernovae with Plateau Light Curves (Type IIn-P)
MNRAS 4312599
2013 May
LRIS
[OIII] Emission and Gas Kinematics in a Lyman-alpha Blob at z ~ 3.1
ApJ 767 48
2013 April
NIRSPEC
QSO Absorption Systems Detected in Ne VIII: High-metallicity Clouds with a Large Effective Cross Section
ApJ 767 49
2013 April
HIRES LRIS
Mapping the Clumpy Structures within Submillimeter Galaxies Using Laser-Guide Star Adaptive Optics Spectroscopy
ApJ 767 151
2013 April
AO LGS OSIRIS
An interferometric study of the Fomalhaut inner debris disk II. Keck Nuller mid-infrared observations
ApJ 763 119
2013 February
AO KIN
Model-independent Stellar and Planetary Masses from Multi-transiting Exoplanetary Systems
ApJ 762 112
2013 January
HIRES
The DEEP2 Galaxy Redshift Survey: Clustering Dependence on Galaxy Stellar Mass and Star Formation Rate at z ~ 1
ApJ 767 89
2013 April
DEIMOS
Characterizing the Cool KOIs. V. KOI-256: A Mutually Eclipsing Post-common Envelope Binary
ApJ 767 111
2013 April
ESI HIRES
First Spectroscopic Evidence for High Ionization State and Low Oxygen Abundance in Lyman alpha Emitters
ApJ 769 3
2013 May
NIRSPEC
A Refined Estimate of the Ionizing Emissivity from Galaxies at z 3: Spectroscopic Follow-up in the SSA22a Field
ApJ 765 47
2013 March
LRIS NIRSPEC
The Density Profiles of Massive, Relaxed Galaxy Clusters. I. The Total Density Over Three Decades in Radius
ApJ 765 24
2013 March
ESI LRIS
The Most Metal- poor Stars. I. Discovery, Data, and Atmospheric Parameters
ApJ 762 25
2013 January
HIRES
The domination of Saturn’s low-latitude ionosphere by ring ‘rain’
Nature 496 193
2013 April
NIRSPEC
The rise and fall of the star formation histories of blue galaxies at redshifts 0.2 < z <1.4
ApJ 762 L15
2013 January
DEIMOS
Ground- Based Infrared Detections of CO in the Centaur-comet 29P/Schwassmann-Wachmann 1 at 6.26 AU from the Sun
ApJ 766 100
2013 April
AO NGS NIRSPEC
Using High-resolution Optical Spectra to Measure Intrinsic Properties of Low-mass Stars: New Properties for KOI-314 and GJ 3470
ApJ 767 28
2013 April
HIRES
The SLUGGS Survey: kinematics for over 2500 globular clusters in 12 early-type galaxies
MNRAS 428 389
2013 January
DEIMOS
High-resolution infrared spectroscopic measurements of Comet 2P/Encke: Unusual organic composition and low rotational temperatures
Icarus 223 298
2013 March
NIRSPEC
Probing nuclear activity versus star formation at z~ 0.8 using near-infrared multi-object spectroscopy
MNRAS 429 3449
2013 March
DEIMOS
Extended and Filamentary Lyman Alpha Emission from the Formation of a Protogalactic Halo at z=2.63
MNRAS 429 429
2013 February
LRIS
Unveiling the s-discrepancy. II. Revisiting the Evolution of ULIRGs and the Origin of Quasars
ApJ 767 72
2013 April
ESI
The X-Ray- Optical Relations for Nine Clusters at z= 0.7-1.1 from the ORELSE Survey
ApJ 763 124
2013 February
DEIMOS
Measuring Protoplanetary Disk Accretion with H I Pfund ß
ApJ 769 21
2013 May
NIRSPEC
Planet Hunters: A Transiting Circumbinary Planet in a Quadruple Star System
ApJ 768 127
2013 May
AO NGS NIRC2 HIRES
Spectroscopy of The Largest Ever Gamma-ray Selected BL Lac Sample
ApJ 764 135
2013 February
LRIS
Carbon in the Draco Dwarf Spheroidal Galaxy
AJ 145 123
2013 May
LRIS-B
Carbon Abundances for Red Giants in the Draco Dwarf Spheroidal Galaxy
AJ 145 123
2013 May
LRIS-B
Berkeley Supernova Ia Program - V. Late-time spectra of Type Ia Supernovae
MNRAS 430 1030
2013 April
LRIS
Keck Spectroscopy of 3 < z < 7 Faint Lyman Break Galaxies: The Importance of Nebular Emission in Understanding the Specific Star Formation Rate and Stellar Mass Density
ApJ 763 129
2013 February
DEIMOS
Two Accurate Time-delay Distances from Strong Lensing: Implications for Cosmology
ApJ 766 70
2013 March
LRIS
Characterizing the Cool KOIs IV: Kepler-32 as a prototype for the formation of compact planetary systems throughout the Galaxy
ApJ 764 105
2013 February
AO NGS HIRES NIRC2
The Outer Limits of the M31 System: Kinematics of the Dwarf Galaxy Satellites And XXVIII and And XXIX
ApJ 768 50
2013 May
DEIMOS
Testing Diagnostics of Nuclear Activity and Star Formation in Galaxies at z>1
ApJ 763 L6
2013 January
MOSFIRE
Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307
A&A 549 A48
2013 January
The Distribution of Alpha Elements in Ultra-faint Dwarf Galaxies
ApJ 767 134
2013 April
DEIMOS
A sensitive search for organics (CH4, CH3OH, H2CO, C2H6, C2H2, C2H4), hydroperoxyl (HO2), nitrogen compounds (N2O, NH3, HCN) and chlorine species (HCl, CH3Cl) on Mars using
HerMES: Candidate Gravitationally Lensed Galaxies and Lensing Statistics at Submillimeter Wavelengths
ApJ 762 59
2013 January
AO LGS NIRC2 LRIS
The Mass of KOI- 94d and a Relation for Planet Radius, Mass, and Incident Flux
ApJ 768 14
2013 May
HIRES
Chandra, Keck, and VLA Observations of the Crab Nebula during the 2011-April Gamma-Ray Flare
ApJ 765 56
2013 March
NIRC2
The COS-Halos Survey: An Empirical Description of the Metal-Line Absorption in the Low-Redshift Circumgalactic Medium
ApJS 204 17
2013 February
HIRES LRIS
Time-resolved Spectroscopy of the Polar EU Cancri in the Open Cluster Messier 67
AJ 145 129
2013 May
LRIS-B
A T8.5 Brown Dwarf Member of the Xi Ursae Majoris System
AJ 145 84
2013 March
AO LGS NIRC2
Characterizing the Mid- IR Extragalactic Sky with WISE and SDSS
AJ 145 55
2013 March
LRIS
Measuring Detailed Chemical Abundances from Co-added Medium-resolution Spectra. I. Tests Using Milky Way Dwarf Spheroidal Galaxies and Globular Clusters
ApJ 768 4
2013 May
DEIMOS
The Most Metal- Poor Stars. II. Chemical Abundances of 190 Metal-Poor Stars Including 10 New Stars With [Fe/H]<-3.5
ApJ 762 26
2013 January
HIRES
The Most Metal- Poor Stars. III. The Metallicity Distribution Function and CEMP Fraction
ApJ 762 27
2013 January
HIRES