Science Bibliography

A list of articles referencing data collected at W.M. Keck Observatory.
This bibliography is limited to articles published in refereed journals.

2004

(214) update 12Oct12

Ádámkovics, M.; de Pater, I.; Roe, H.; et. al.
Spatially-resolved spectroscopy at 1.6 µm of Titan's atmosphere and surface
GeoRL 31
2004 August
AO NGS

Adelberger, K.; Steidel, C.; Shapley, A..; et al.
Optical Selection of Star-forming Galaxies at Redshifts 1 < z < 3
ApJ 607 226
2004 May
LRIS

Agol, E.; Barth, A.; Wolf, S.; et al.
Spectropolarimetry and Modeling of the Eclipsing T Tauri Star KH 15D
ApJ 600 781
2004 January
LRIS

Aguirre, A.; Schaye, J.; Kim, T.; et al.
Metallicity of the Intergalactic Medium Using Pixel Statistics. III. Silicon
ApJ 602 38
2004 February
HIRES

Alonso, R.; Brown, T.; Torres, G.; et. al.
rES- 1: The Transiting Planet of a Bright K0 V Star
ApJL 613 L153
2004 October
HIRES

Andrews, S.; Reipurth, B.; Bally, J.; Heathcote, S.
The Irradiated Herbig-Haro Jets Near s Orionis
ApJ 606 353
2004 May
HIRES

Barmby, P.; Huang, J.-S.; Fazio, G. G.; et. al.
Deep Mid-Infrared Observations of Lyman Break Galaxies
ApJS 154 97
2004 September
LRIS-B

Barrado y Navascués D.; Stauffer, J. R.; Bouvier, J.; et. al.
The Substellar Population of the Young Cluster Orionis
ApJ 610 1064
2004 August 1
LRIS

Barris, B.; Tonry, J.; Blondin, S.; et. al.
Twenty-Three High-Redshift Supernovae from the Institute for Astronomy Deep Survey: Doubling the Supernova Sample at z > 0.7
ApJ 602 571
2004 February
LRIS

Barth, A.; Ho, L.; Rutledge, R.; et. al.
POX 52: A Dwarf Seyfert 1 Galaxy with an Intermediate-Mass Black Hole
ApJ 607 90
2004 May 20
ESI

Beasley, M.; Forbes, D.; Brodie, J.; et al.
Keck spectroscopy and imaging of globular clusters in the lenticular galaxy NGC 524
MNRAS 347 1150
2004 February
LRIS

Beasley, M.; Brodie, J.; Strader, J.; et. al.
The Chemical Properties of Milky Way and M31 Globular Clusters. I. A Comparative Study
AJ 128 1623
2004 October
LRIS

Beck, T.; Schaefer, G.; Simon, M.; et. al.
A High Spatial Resolution Infrared View of the T Tauri Multiple System
ApJ 614 235
2004 October
AO NIRC2 NGS

Becker, G.; Sargent, W.; Rauch, M.
Large- Scale Correlations in the Ly alpha Forest at z = 3-4
ApJ 613 61
2004 September
ESI

Bellamy, M.; Tadhunter, C.
A giant molecular cloud falling through the heart of Cygnus A: clues to the triggering of the activity
MNRAS 353 105
2004 September
NIRSPEC

Bentz, M.; Osmer, P.; Weinberg, D.
Bright Lyman Break Galaxy Candidates in the Sloan Digital Sky Survey First Data Release
ApJ 600 L19
2004 January
LRIS

Bernstein, G.; Trilling, D.; Allen, R.; et. al.
The Size Distribution of Trans- Neptunian Bodies
AJ 128 1364
2004 September
DEIMOS

Beuzit, J.-L.; Ségransan, D.; Forveille, T.; et. al.
New neighbours. III. 21 new companions to nearby dwarfs, discovered with adaptive optics
A&A 425 997
2004 October
AO KCAM NGS

Blain, A.; Chapman, S.; Smail, I.; Ivison, R.
Clustering of Submillimeter-selected Galaxies
ApJ 611 725
2004 August
LRIS

Blake, G.; Boogert, A.
High-Resolution 4.7 Micron Keck/NIRSPEC Spectroscopy of the CO Emission from the Disks Surrounding Herbig Ae Stars
ApJL 606 L73
2004 May 1
NIRSPEC

Blecha, A.; Meylan, G.; North, P.;; Royer, F.
Palomar 13: A velocity dispersion inflated by binaries?
A&A 419 533
2004 May
HIRES

Boesgaard, A.; Armengaud, E.; King, J.
Beryllium Abundances in F and G Dwarfs in Praesepe and Other Young Clusters from Keck HIRES Observations
ApJ 605 864
2004 April
HIRES

Boesgaard, A.; Armengaud, E.; King, J.; et. al.
The Correlation of Lithium and Beryllium in F and G Field and Cluster Dwarf Stars
ApJ 613 1202
2004 October
HIRES

Bonev, B.; Mumma, M.; Russo, N.; et. al.
Infrared OH Prompt Emission as a Proxy of Water Production in Comets: Quantitative Analysis of the Multiplet Near 3046 cm-1 in Comets C/1999 H1 (Lee) and C/2001 A2 (LINEAR)
ApJ 615 1048
2004 November
NIRSPEC

Boogert, A.; Blake, G.; Öberg, K.
Methane Abundance Variations toward the Massive Protostar NGC 7538 IRS 9
ApJ 615 344
2004 November
NIRSPEC

Boogert, A.; Pontoppidan, K.; Lahuis, F.; et. al.
Spitzer Space Telescope Spectroscopy of Ices toward Low-Mass Embedded Protostars
ApJS 154 359
2004 September
NIRSPEC

Bouy, H.; Duchêne, G.; Köhler, R.; et. al.
First determination of the dynamical mass of a binary L dwarf
A&A 423 341
2004 August
NIRC

Bouy, H.; Brandner, W.; Martín, E.; et. al.
A young binary brown dwarf in the R-CrA star formation region
A&A 424 213
2004 September
HIRES

Bresolin, F.; Garnett, D.; Kennicutt, R.
Abundances of Metal-rich H II Regions in M51
ApJ 615 228
2004 November
LRIS

Briley, B.; Cohen, J.; Stetson, P.
The Chemical Inhomogeneity of Faint M13 Stars: Carbon and Nitrogen Abundances
AJ 127 1579
2004 March
HIRES

Brittain, S.; Simon, T.; Kulesa, C.; et al.
Interstellar H₃⁺ Line Absorption toward LkH alpha 101
ApJ 606 911
2004 May 10
NIRSPEC

Burbidge, E. M.; Burbidge, G.; Arp, H. C.; Zibetti, S.
QSOs and Active Galactic Nuclei Associated with NGC 2639
ApJS 153 159
2004 July
LRIS

Burgasser, A.; Kirkpatrick, J. D.; McGovern, M.; et. al.
S Orionis 70: Just a Foreground Field Brown Dwarf?
ApJ 604 827
2004 April 1
NIRSPEC

Butler, R. P.; Vogt, S.; Marcy, G.; et. al.
A Neptune-Mass Planet Orbiting the Nearby M Dwarf GJ 436
ApJ 617 580
2004 December 10
HIRES

Campbell, R. D.; Jones, B.
Performance of the Keck long wavelength spectrometer
Advances in Space Research 34 499
2004 January
LWS

Carraro, G.; Bresolin, F.; Villanova, S.; et. al.
Metal Abundances in Extremely Distant Galactic Old Open Clusters. I. Berkeley 29 and Saurer 1
AJ 128 1676
2004 October
HIRES

Chapman, S.; Smail, I.; Blain, A.; Ivison, R.
A Population of Hot, Dusty Ultraluminous Galaxies at z ˜ 2
ApJ 614 671
2004 October
LRIS

Chapman, S.; Scott, D.; Windhorst, R.; et. al.
Further multiwavelength observations of the SSA22 Ly_alpha emitting `blob'
ApJ 606 85
2004 May 1
LRIS

Chugai, N.; Blinnikov, S.; Cumming, R.; et. al.
The Type IIn supernova 1994W: evidence for the explosive ejection of a circumstellar envelope
MNRAS 352 1213
2004 August
LRIS

Clark, L.; Sandquist, E.; Bolte, M.
The Blue Straggler and Main-Sequence Binary Population of the Low-Mass Globular Cluster Palomar 13
AJ 128 3019
2004 December
ESI

Cohen, J.
Palomar 12 as a Part of the Sagittarius Stream: The Evidence from Abundance Ratios
AJ 127 1545
2004 March
HIRES

Cohen, J.; Christlieb, N.; McWilliam, A.; et. al.
Abundances In Very Metal-Poor Dwarf Stars
ApJ 612 1107
2004 September
HIRES

Coil, A.; Davis, M.; Madgwick, D.; et. al.
The DEEP2 Galaxy Redshift Survey: Clustering of Galaxies in Early Data
ApJ 609 525
2004 July 10
DEIMOS

Coil, A.; Newman, J.; Kaiser, N.; et. al.
Evolution and Color Dependence of the Galaxy Angular Correlation Function: 350,000 Galaxies in 5 Square Degrees
ApJ 617 765
2004 December
DEIMOS

Cowie, L.; Barger, A.; Fomalont, E.; et al.
The Evolution of the Ultraluminous Infrared Galaxy Population from Redshift 0 to 1.5
ApJL 603 L69
2004 March 10
DEIMOS LRIS

Cowie, L.; Barger, A.; Hu, E.; et al.
A Large Sample of Spectroscopic Redshifts in the ACS-GOODS Region of the Hubble Deep Field North
AJ 127 3137
2004 June
DEIMOS

Davies , R.; Tacconi , L.; Genzel, R.
The Nuclear Gas Dynamics and Star Formation of Markarian 231
ApJ 613 781
2004 October
AO NIRC2 NGS

Davies, R.; Tacconi, L.; Genzel, R.
The Nuclear Gas Dynamics and Star Formation of NGC 7469
ApJ 602 148
2004 February
AO NIRSPEC NGS

Dawson, S.; Rhoads, J.; Malhotra, S.; et. al.
Spectroscopic Properties of the z ~ 4.5 Lya Emitters
ApJ 617 707
2004 December
LRIS

de Pater, I.; Marchis, F.; Macintosh, B.; et al.
Keck AO observations of Io in and out of eclipse
Icarus 169 250
2004 May
AO NIRC2 NGS

de Pater, I.; Martin, S.; Showalter, M.
Keck near-infrared observations of Saturn's E and G rings during Earth's ring plane crossing in August 1995
Icarus 172 446
2004 December
NIRC

Deming, D.; Charbonneau, D.; Harrington, J.
Spectroscopy of Molecular Hydrogen Emission from KH 15D
ApJL 601 L87
2004 January 20
NIRSPEC

Dessauges-Zavadsky, M.; Calura, F.; Prochaska, J.; et al.
A comprehensive set of elemental abundances in damped Ly systems: Revealing the nature of these high- redshift galaxies
A&A 416 79
2004 March
HIRES

Dickinson, M.; Stern, D.; Giavalisco, M.; et al.
Color-selected Galaxies at z ~ 6 in the Great Observatories Origins Deep Survey
ApJL 600 L99
2004 January 10
LRIS

Dietrich, M.; Hamann, F.
Implications of Quasar Black Hole Masses at High Redshifts
ApJ 611 761
2004 August
NIRSPEC

Dubus, G.; Campbell, R.; Kern, B.; et. al.
Excess mid- infrared emission in cataclysmic variables
MNRAS 349 869
2004 April
LWS

Duchêne, G.; McCabe, C.; Ghez, A.; Macintosh, B.
A Multiwavelength Scattered Light Analysis of the Dust Grain Population in the GG Tauri Circumbinary Ring
ApJ 606 969
2004 May
AO NIRC2 NGS

Ebeling, H.; Barrett, E.; Donovan, D.
Discovery of a Large-Scale Filament Connected to the Massive Galaxy Cluster MACS J0717.5+3745 at z=0.551
ApJL 609 L49
2004 July 10
DEIMOS LRIS

Erb, D.; Steidel, C.; Shapley, A.; et. al.
The Kinematics of Morphologically Selected z ~ 2 Galaxies in the GOODS-North Field
ApJ 612 122
2004 September 1
LRIS NIRSPEC

Fang, T.; White, M.
Probing the Statistics of the Temperature-Density Relation of the Intergalactic Medium
ApJL 606 L9
2004 May 1
HIRES

Farihi, J.; Becklin, E.; Macintosh, B.; et al.
Mid-Infrared Observations of van Maanen 2: No Substellar Companion
ApJL 608 L109
2004 June
AO NIRC2 NGS

Farihi, J.; Christopher, M.
A Possible Brown Dwarf Companion to the White Dwarf GD 1400
AJ 128 1868
2004 October
NIRSPEC

Farihi, J.
Discovery of an Ultracool White Dwarf Companion
ApJ 610 1013
2004 August
LRIS NIRC

Fenner, Y.; Prochaska, J.; Gibson, B.
Constraints on Early Nucleosynthesis from the Abundance Pattern of a Damped Ly alpha System at z = 2.626
ApJ 606 116
2004 May 1
ESI

Ferruit, P.; Mundell, C.; Nagar, N.
Ionized gas and stars in the central kiloparsec of the type 2 Seyfert galaxy NGC 2110 - I. The data
MNRAS 352 1180
2004 August
NIRSPEC

Figer, D.; Najarro, F.; Kudritzki, R.
The Double-lined Spectrum of LBV 1806-20
ApJL 610 L109
2004 August 1
NIRSPEC

Förster Schreiber, N.; van Dokkum, P.; Franx, M.; et. al.
A Substantial Population of Red Galaxies at z > 2: Modeling of the Spectral Energy Distributions of an Extended Sample
ApJ 616 40
2004 November
NIRSPEC

Frayer, D.; Reddy, N.; Armus, L.; et al.
Near-Infrared Colors of Submillimeter-selected Galaxies
AJ 127 728
2004 February
NIRC

Fulbright, J.; Rich, R.; Castro, S.
Draco 119: A Remarkable Heavy- Element-deficient Giant
ApJ 612 447
2004 September 1
HIRES

Gaidos, E.; Koresko, C.
A survey of 10-µm silicate emission from dust around young sun-like stars
NewA 9 33
2004 January
LWS

Gal, R.; Lubin, L.
Spectroscopic Confirmation of the Cl 1604 Supercluster at z 0.9
ApJL 607 L1
2004 May 20
DEIMOS LRIS

Ghez, A.; Wright, S.; Matthews, K.; et al.
Variable Infrared Emission from the Supermassive Black Hole at the Center of the Milky Way
ApJL 601 L159
2004 February
AO NIRC2 NGS

Gibb, E. L.; Rettig, T.; Brittain, S.; et. al.
The Upper Limit for CH₄ in the Protostellar Disk toward HL Tauri
ApJL 610 L113
2004 August 1
NIRSPEC

Gibbard, S.; Macintosh, B.; Gavel, D.; et al.
Speckle imaging of Titan at 2 microns: surface albedo, haze optical depth, and tropospheric clouds 1996–1998
Icarus 169 429
2004 June
NIRC

Gibbard, S.; de Pater, I.; Macintosh, B.; et. al.
Titan's 2 µm surface albedo and haze optical depth in 1996-2004
GeoRL
2004 July
AO NGS

Gioia, I. M.; Wolter, A.; Mullis, C. R.; et. al.
RX J1821.6+6827: A cool cluster at z = 0.81 from the ROSAT NEP survey
A&A 428 p.867
2004 December
LRIS

Glikman, E.; Gregg, M.; Lacy, M.; et al.
FIRST-2Mass Sources below the APM Detection Threshold: A Population of Highly Reddened Quasars
ApJ 607 60
2004 May 20
ESI LRIS

Grav, T.; Holman, M.
Photometry of Irregular Satellites of Uranus and Neptune
ApJ 613 L77
2004 September
DEIMOS

Green, P.; Silverman, J.; Cameron, R.; et. al.
The Chandra Multiwavelength Project: Optical Follow-up of Serendipitous Chandra Sources
ApJS 150 43
2004 January
LRIS

Greenhill, L,; Gezari, D.; Danchi, W.; et al.
High Angular Resolution Mid- Infrared Imaging of Young Stars in Orion BN/KL
ApJL 605 L57
2004 April 10
LWS

Harries, T. J.; Monnier, J. D.; Symington, N. H.; et. al.
Three-dimensional dust radiative-transfer models: the Pinwheel Nebula of WR 104
MNRAS 350 565
2004 May
NIRC

Harrison, T.; Howell, S.; Szkody, P.; et. al.
Phase-Resolved Infrared H- and K-Band Spectroscopy of EF Eridani
ApJ 614 947
2004 October
NIRSPEC

Herbig, G. H.; Andrews, S.; Dahm, S. E.
LkHa 101 and the Young Cluster in NGC 1579
AJ 128 1233
2004 September
HIRES

Howell, J.; Brodie, J.; Strader, J.; et. al.
Probing Spectral Line Gradients Beyond One Effective Radius in NGC 3610
AJ 128 2749
2004 December
LRIS

Howell, S.; Harrison, T.; Szkody, P.
Keck Infrared Spectroscopy of WZ Sagittae: Detection of Molecular Emission from the Accretion Disk
ApJL 602 L49
2004 February 10
NIRSPEC

Hsieh, H.; Jewitt, D.; Fernandez, Y.
The Strange Case of 133P/Elst- Pizarro: A Comet among the Asteroids
AJ 127 2997
2004 May
LRIS

Hu, E.; Cowie, L.; Capak, P.; et al.
The Luminosity Function of Lyman Alpha Emitters at Redshift z~5.7
AJ 127 563
2004 February
DEIMOS

Hulleman, F.; Kerkwijk, M.; Kulkarni, S.
The Anomalous X- ray Pulsar 4U 0142+61: Variability in the infrared and a spectral break in the optical
A&A 416 1037
2004 March
NIRC LRIS

Hunt, M.; Steidel, C.; Adelberger, K.; Shapley, A.
The Faint End of the QSO Luminosity Function at z = 3
ApJ 605 625
2004 April 20
LRIS

Huo, Z.; Xue, S.; Xu, H.; et. al.
Joint X-Ray and Optical Measurements of the Mass Distribution of the Distant Galaxy Cluster Cl J0152.7-1357
AJ 127 1263
2004 March
LRIS

Imanishi, M.; Nakanishi, K.; Kuno, N.; Kohno, K.
Near-Infrared and Millimeter Constraints on the Nuclear Energy Source of the Infrared-luminous Galaxy NGC 4418
AJ 128 2037
2004 November
NIRC

Israelian, G.; Shchukina, N.; Rebolo, R.; et. al.
Oxygen and magnesium abundance in the ultra-metal-poor giants CS 22949-037 and CS 29498-043: Challenges in models of atmospheres
A&A 419 1095
2004 June
HIRES

Jacobson, R.; Owen, W.
The Orbits of the Inner Neptunian Satellites from Voyager, Earth-based, and Hubble Space Telescope Observations
AJ 128 1412
2004 September
AO NIRC2

Jewitt, D.; Sheppard, S.
The Nucleus of Comet 48P/Johnson
AJ 127 1784
2004 March
LRIS

Johnson, J.; Bolte, M.
The s-Process in Metal-Poor Stars: Abundances for 22 Neutron-Capture Elements in CS 31062-050
ApJ 605 462
2004 April 10
ESI HIRES

Johnson, J.; Marcy, G.; Hamilton, C.; et. al.
KH 15D: A Spectroscopic Binary
AJ 128 1265
2004 September
HIRES

Junkkarinen, V.; Cohen, R.; Beaver, E.; et. al.
Dust and Diffuse Interstellar Bands in the za = 0.524 Absorption System toward AO 0235+164
ApJ 614 658
2004 October
LRIS

Kaisler, D.; Zuckerman, B.; Song, I.; et. al.
HD 199143 and HD 358623: Two recently identified members of the ß Pictoris moving group
A&A 414 175
2004 January
AO NIRSPEC NGS

Kaplan, D.; Frail, D.; Gaensler, B.; et. al.
An X-Ray Search for Compact Central Sources in Supernova Remnants. I. SNRS G093.3+6.9, G315.4-2.3, G084.2+0.8, and G127.1+0.5
ApJS 153 269
2004 July
NIRC

Kaufer, A.; Venn, K.; Tolstoy, E.; et al.
First Stellar Abundances in the Dwarf Irregular Galaxy Sextans A
AJ 127 2723
2004 May
ESI LRIS

Kishimoto, M.; Antonucci, R.; Boisson, C.; Blaes, O.
The buried Balmer-edge signatures from quasars
MNRAS 354 1065
2004 November
LRIS-B

Kneib, J.; Ellis, R.; Santos, M.; et al.
A Probable z ~ 7 Galaxy Strongly Lensed by the Rich Cluster A2218: Exploring the Dark Ages
ApJ 607 697
2004 June 1
NIRSPEC

Kneib, J.; van der Werf, P.; Knudsen, K.; et al.
A multiply imaged, submillimetre-selected ultraluminous infrared galaxy in a galaxy group at z 2.5
MNRAS 349 1211
2004 April
LRIS NIRSPEC

Kobulnicky, H.; Kewley, L.
Metallicities of 0.3
ApJ 617 240
2004 December
DEIMOS

Kotak, R.; van Kerkwijk, M.; Clemens, J.
A puzzling periodicity in the pulsating DA white dwarf G 117-B15A
A&A 413 301
2004 January
LRIS

Lai, D.; Bolte, M.; Johnson, J.; Lucatello, S.
Abundances of Extremely Metal-Poor Star Candidates
AJ 128 2402
2004 November
ESI

Larsen, S.; Brodie, J.; Hunter, D.
Dynamical Mass Estimates for Five Young Massive Stellar Clusters
AJ 128 2295
2004 November
HIRES NIRSPEC

Lin, L.; Koo, D.; Willmer, C.; et. al.
The DEEP2 Galaxy Redshift Survey: Evolution of Close Galaxy Pairs and Major-Merger Rates up to z ~ 1.2
ApJL 617 L9
2004 December
DEIMOS

Lipscy, S. J.; Plavchan, P.
Globular Cluster Formation in M82
ApJ 603 82
2004 March
LWS

Liu, M.
Substructure in the Circumstellar Disk Around the Young Star AU Microscopii
Science 305 1442
2004 September
AO NIRC2 NGS

Lubin, L.; Mulchaey, J.; Postman, M.
The First Detailed X-Ray Observations of High-Redshift, Optically Selected Clusters: XMM-Newton Results for Cl 1324+3011 at z = 0.76 and Cl 1604+4304 at z = 0.90
ApJ 601 L9
2004 January
LRIS

Martin, C.; Sawicki, M.
The Space Density of Redshift 5.7 Ly-Alpha Emitters: First Constraints from a Multislit Windows Search
ApJ 603 414
2004 March 10
LRIS

Maund, J.; Smartt, S.; Kudritzki, R.; et. al.
The massive binary companion star to the progenitor of supernova 1993J
Nature 427 129
2004 January 08
LRIS-B

McCarthy, C.; Zuckerman, B.
The Brown Dwarf Desert at 75-1200 AU
AJ 127 2871
2004 May
LRIS

McConnachie, A. W.; Irwin, M. J.; Lewis, G. F.; et. al.
The tidal trail of NGC 205?
MNRAS 351 L94
2004 July
DEIMOS

McGovern, M.; Kirkpatrick, J.; McLean, I.; et al.
Identifying Young Brown Dwarfs Using Gravity-Sensitive Spectral Features
ApJ 600 1020
2004 January 10
NIRSPEC LRIS

McKean, J.; Koopmans, L.; Browne, I.; et al.
Keck spectroscopy of Cosmic Lens All-Sky Survey gravitational lenses
MNRAS 350 167
2004 May
LRIS

Meech, K. J.; Hainaut, O. R.; Marsden, B. G.
Comet nucleus size distributions from HST and Keck telescopes
Icarus 170 463
2004 August
LRIS

Metchev, S.; Hillenbrand, L.; Meyer, M.
Ten Micron Observations of Nearby Young Stars
ApJ 600 435
2004 January 1
LWS

Metchev, S.; Hillenbrand, L.
Initial Results from the Palomar Adaptive Optics Survey of Young Solar-Type Stars: A Brown Dwarf and Three Stellar Companions
ApJ 617 1330
2004 December
AO NIRC2 NGS

Misawa, T.; Tytler, D.; Iye, M.; et.al.
H I Gas in Higher Density Regions of the Intergalactic Medium
AJ 128 2954
2004 December
HIRES

Mohanty, S.; Basri, G.; Jayawardhana, R.; et. al.
Measuring Fundamental Parameters of Substellar Objects. I. Surface Gravities
ApJ 609 854
2004 July 10
HIRES

Mohanty, S.; Jayawardhana, R.; Basri, G.
Measuring Fundamental Parameters of Substellar Objects. II. Masses and Radii
ApJ 609 885
2004 July 10
HIRES

Monnier, J.; Millan-Gabet, R.; Tuthill, P.; et al.
High-Resolution Imaging of Dust Shells by Using Keck Aperture Masking and the IOTA Interferometer
ApJ 605 436
2004 April 10
NIRC

Moon, D.; Lee, J.; Eikenberry, S.; et. al.
PSR B1951+32: A Bow Shock- confined X-Ray Nebula, a Synchrotron Knot, and an Optical Counterpart Candidate
ApJ 610 L33
2004 July
NIRC

Mooney, C.; Rolleston, W.; Keenan, F.; et al.
High- resolution spectroscopy of globular cluster post-Asymptotic Giant Branch stars
A&A 419 1123
2004 June
HIRES

Mugrauer, M.; Neuhauser, R.; Guenther, E.; et al.
HD 77407 and GJ 577: Two new young stellar binaries detected with the Calar Alto Adaptive Optics system ALFA
A&A 417 1031
2004 April
AO NIRC2

Murphy, M.; Flambaum, V.; Webb, J.; et. al.
Constraining Variationsin the Fine-Structure Constant, Quark Massesand the Strong Interaction
Lecture Notes in Physics 648 131
2004 August
HIRES

O'Brien, K.; Horne, K.; Gomer, R.; et al.
High-speed Keck II and RXTE spectroscopy of Cygnus X-2 - I. Three X-ray components revealed by correlated variability
MNRAS 350 587
2004 May
LRIS

Oguri, M.; Inada, N.; Keeton, C.
Observations and Theoretical Implications of the Large-Separation Lensed Quasar SDSS J1004+4112
ApJ 605 78
2004 April 10
LRIS

Oguri, M.; Inada, N.; Castander, F.; et. al.
SDSS J1335+0118: A New Two-Image Gravitational Lens
PASJ 56 399
2004 April
NIRC

Origlia, L.; Rich, R.
High-Resolution Infrared Spectra of Bulge Globular Clusters: The Extreme Chemical Abundances of Terzan 4 and Terzan 5
AJ 127 3422
2004 June
NIRSPEC

Pace, G.; Pasquini, L.
The age-activity-rotation relationship in solar-type stars
A&A 426 1021
2004 November
HIRES

Paulson, D.; Saar, S.; Cochran, W.; et al.
Searching for Planets in the Hyades. III. The Quest for Short-Period Planets
AJ 127 1644
2004 March
HIRES

Paulson, D.; Cochran, W.; Hatzes, A.
Searching for Planets in the Hyades. V. Limits on Planet Detection in the Presence of Stellar Activity
AJ 127 3579
2004 June
HIRES

Penton, S.; Stocke, J.; Shull, J.
The Local Lya Forest. IV. Space Telescope Imaging Spectrograph G140M Spectra and Results on the Distribution and Baryon Content of H I Absorbers
ApJS 152 29
2004 May
HIRES

Pindor, B.; Eisenstein, D.; Inada, N.
SDSS J115517.35+634622.0: A Newly Discovered Gravitationally Lensed Quasar
AJ 127 1318
2004 March
NIRC

Prochaska, J. X.; Bloom, J. S.; Chen, H.; et. al.
The Host Galaxy of GRB 031203: Implications of Its Low Metallicity, Low Redshift, and Starburst Nature
ApJ 611 200
2004 August 10
NIRSPEC

Reddy, N.; Steidel, C.
X-Ray and Radio Emission from Ultraviolet- selected Star-forming Galaxies at Redshifts 1.5 ≲ z ≲ 3.0 in the GOODS-North Field
ApJ 603 L13
2004 March 1
LRIS-B

Reitzel, D.; Guhathakurta, P.; Rich R.
Keck Spectroscopy of Red Giant Stars in the Vicinity of M31'S Massive Globular Cluster G1
AJ 127 2133
2004 April
LRIS

Rettig, T.; Haywood, J.
Discovery of CO Gas in the Inner Disk of TW Hydrae
ApJL 616 L163
2004 December
NIRSPEC

Rhoads, J. E.; Xu, C.; Dawson, S.; et. al.
A Luminous Ly alpha -emitting Galaxy at Redshift z = 6.535: Discovery and Spectroscopic Confirmation
ApJ 611 59
2004 August 10
DEIMOS

Richards, G.; Keeton, C.; Pindor, B.; et. al.
Microlensing of the Broad Emission Line Region in the Quadruple Lens SDSS J1004+4112
ApJ 610 679
2004 August
LRIS

Ridgway, S.; Stockton, A.; Lacy, M.
The Aligned z~1 Radio Galaxy 3C 280
ApJ 600 70
2004 January
LRIS

Riess, A.; Strolger, L.; Tonry, J.; et. al.
Type Ia Supernova Discoveries at z>1 from the Hubble Space Telescope: Evidence for Past Deceleration and Constraints on Dark Energy Evolution
ApJ 607 665
2004 June 1
LRIS NIRSPEC

Riess, A.; Strolger, L.; Tonry, J.; et. al.
Identification of Type Ia Supernovae at Redshift 1.3 and Beyond with the Advanced Camera for Surveys on the Hubble Space Telescope
ApJ 600 L163
2004 January
LRIS

Rix, S.; Pettini, M.; Leitherer, C.; et. al.
Spectral Modeling of Star-forming Regions in the Ultraviolet: Stellar Metallicity Diagnostics for High-Redshift Galaxies
ApJ 615 98
2004 November
ESI LRIS

Roe, H.; de Pater, I.; McKay, C.
Seasonal variation of Titan's stratospheric ethylene (C2H4) observed
Icarus 169 440
2004 June
LWS

Roe, H.; de Pater, I.; Gibbard, S.; et. al.
A new 1.6-micron map of Titan's surface
GeoRL 31
2004 June
AO NGS

Ruiz-Lapuente, P.; Comeron, F.; Méndez, J.; et. al.
The binary progenitor of Tycho Brahe's 1572 supernova
Nature 431 1069
2004 October
ESI LRIS

Salim, S.; Rich, M.; Hansen, B.; et al.
Cool White Dwarfs Revisited: New Spectroscopy and Photometry
ApJ 601 1075
2004 February 1
LRIS

Sand, D.; Treu, T.; Smith, G.
The Dark Matter Distribution in the Central Regions of Galaxy Clusters: Implications for Cold Dark Matter
ApJ 604 88
2004 March 20
ESI

Santos, M.; Ellis, R.; Kneib, J.; et al.
The Abundance of Low-Luminosity Ly alpha Emitters at High Redshift
ApJ 606 683
2004 May 10
LRIS

Savaglio, S.; Fall, S.
Dust Depletion and Extinction in a Gamma-Ray Burst Afterglow
ApJ 614 293
2004 October
LRIS

Schwartz, C.; Martin, C.
A Keck/HIRES Study of Kinematics of the Cold Interstellar Medium in Dwarf Starburst Galaxies
ApJ 610 201
2004 July 20
HIRES

Schweizer, F.; Seitzer, P.; Brodie, J.
Keck Spectroscopy of Two Young Globular Clusters in the Merger Remnant NGC 3921
AJ 128 202
2004 July
LRIS

Shapley, A.; Erb, D.; Pettini, M.; et.al.
Evidence for Solar Metallicities in Massive Star-forming Galaxies at z >~ 2
ApJ 612 108
2004 September 1
LRIS NIRSPEC

Sharpee, B.; Slanger, T.; Huestis, D.; Cosby, P.
Measurements of the Singly Ionized Oxygen Auroral Doublet Lines λλ7320, 7330 Using High-Resolution Sky Spectra
ApJ 606 605
2004 May 1
HIRES

Sheppard, S.; Jewitt, D.
Extreme Kuiper Belt Object 2001 QG₂₉₈ and the Fraction of Contact
AJ 127 3023
2004 May
LRIS

Sheth, K.; Blain, A.; Kneib, J.; et. al.
Detection of CO from SMM J16359+6612, the Multiply Imaged Submillimeter Galaxy behind A2218
ApJL 614 L5
2004 October
NIRSPEC

Shuping, R.; Morris, M.; Bally, J.
A New Mid-Infrared Map of the BN/KL Region Using the Keck Telescope
AJ 128 363
2004 July
LWS

Simcoe, R.; Sargent, W.; Rauch, M.
The Distribution of Metallicity in the Intergalactic Medium at z ~ 2.5: O VI and C IV Absorption in the Spectra of Seven QSOs
ApJ 606 92
2004 May 1
HIRES

Simon, M.; Prato, L.
The Double-lined Spectroscopic Binary Haro 1-14c
ApJL 613 L69
2004 September
NIRSPEC

Slanger, T.; Cosby, P.; Huestis, D.; Widhalm, A.
Nightglow vibrational distributions in the A3u+ and A'3u states of O2 derived from astronomical sky spectra
Annales Geophysicae 22 3305
2004 September
HIRES

Slanger, T.; Cosby, P.; Huestis, D.
Co-variation of nightglow emission from the O2(A3Su+) and O2(c1Su-) states and the oxygen green line, observed with the Keck I/II telescopes
Journal of Atmospheric and Solar-Terrestrial Physics 66 617
2004 April
HIRES ESI

Slanger, T. G.; Cosby, P. C.; Huestis, D. L.; Meier, R. R.
Oxygen atom Rydberg emission in the equatorial ionosphere from radiative recombination
JGRA 109
2004 October
HIRES

Slesnick, C. L.; Hillenbrand, L. A.; Carpenter, J. M.
The Spectroscopically Determined Substellar Mass Function of the Orion Nebula Cluster
ApJ 610 1045
2004 August 1
NIRSPEC

Smith, G.; Dupree, A.; Strader, J.
He I 10830 Absorption in Metal- Poor Red Giants: Probing Fast Chromospheric Outflows
PASP 116 819
2004 September
NIRSPEC

Smith, N.; Bally, J.; Shuping, R.; et. al.
Thermal-Infrared Detection of Optical Outflow Sources in OMC-1 South
ApJL 610 L117
2004 August
LWS

Smoker, J.; Rolleston, W.; Lynn, B.; et. al.
CaII K interstellar observations towards early-type disc and halo stars - distances to intermediate- and high-velocity clouds
MNRAS 352 1279
2004 August

Sneden, C.; Kraft, R.; Guhathakurta, P.; et al.
The Chemical Composition Contrast between M3 and M13 Revisited: New Abundances for 28 Giant Stars in M3
AJ 127 2162
2004 April
HIRES

Soifer, B.; Neugebauer, G.; Matthews, K.; et al.
High Spatial Resolution Mid-Infrared Observations of Five Seyfert Galaxies
PASP 116 493
2004 June
LWS

Songaila, A.
The Evolution of the Intergalactic Medium Transmission to Redshift 6
AJ 127 2598
2004 May
ESI

Sozzetti, A.; Yong, D.; Torres, G.; et. al.
High-Resolution Spectroscopy of the Transiting Planet Host Star TrES-1
ApJL 616 L167
2004 December
HIRES

Stanway, E.; Bunker, A.; McMahon, R.; et al.
Hubble Space Telescope Imaging and Keck Spectroscopy of z~6 i-Band Dropout Galaxies in the Advanced Camera for Surveys GOODS Fields
ApJ 607 704
2004 June 1
DEIMOS

Stassun, K.; Mathieu, R.; Vaz, L.; et. al.
Dynamical Mass Constraints on Low-Mass Pre-Main-Sequence Stellar Evolutionary Tracks: An Eclipsing Binary in Orion with a 1.0 Msolar Primary and a 0.7 Msolar Secondary
ApJS 151 357
2004 April
HIRES

Stee, P.; Bittar, J.; Lopez, B.
A Gas + Dust Model of the Peculiar Envelope of HD 62623 Based on Interferometric Observations
ApJ 602 978
2004 February 20
NIRC

Steffen, A.; Barger, A.; Capak, P.; et. al.
An Optical Catalog of the Chandra Large Area Synoptic X-ray Survey Sources
AJ 128 1483
2004 October
DEIMOS

Steidel, C.; Shapley, A.; Pettini, M.; et al.
A Survey of Star-forming Galaxies in the1.4<~Z<~ 2.5 Redshift Desert: Overview
ApJ 604 534
2004 April 1
LRIS

Steinbring, E.; Metevier, A.; Norton, S.; et. al.
Keck Adaptive Optics Imaging of 0.5 < z < 1 Field Galaxies from the Hubble Space Telescope Archive
ApJSS 155 15
2004 November
AO NIRC2 NGS

Stern, D.; van Dokkum, P.; Nugent, P.; et. al.
Discovery of a Transient U-Band Dropout in a Lyman Break Survey: A Tidally Disrupted Star at z = 3.3?
ApJ 612 690
2004 September
ESI NIRC

Stockton, A.; Canalizo, G.; Nelan, E.; et al.
Two Active Nuclei in 3C 294
ApJ 600 626
2004 January
AO NIRSPEC NGS

Stockton, A.; Canalizo, G.; Maihara, T.
A Disk Galaxy of Old Stars at z ~ 2.5
ApJ 605 37
2004 April 10
ESI

Strader, J.; Brodie, J.; Forbes, D.
Revisiting the Globular Cluster System of the Merger Remnant Elliptical Galaxy NGC 3610
AJ 127 295
2004 January
LRIS

Strolger, L.; Riess, A.; Dahlen, T.; et. al.
The Hubble Higher z Supernova Search: Supernovae to z ~ 1.6 and Constraints on Type Ia Progenitor Models
ApJ 613 200 Erratum: 635 1370–1372
2004 September
LRIS

Swinbank, A.; Smail, I.; Chapman, S.
The Rest-Frame Optical Spectra of SCUBA Galaxies
ApJ 617 64
2004 December 10
NIRSPEC

Teplitz, H.; Malkan, M.; McLean, I.
The Counterarc to MS 1512-cB58 and a Companion Galaxy
ApJ 608 36
2004 June 10
NIRSPEC

Thompson, S. E.; Clemens, J.; van Kerkwijk, M.; et. al.
The Peculiar Pulsations of PY Vulpeculae
ApJ 610 1001
2004 August 1
LRIS

Throop, H.; Porco, C.; West, R.; et. al.
The jovian rings: new results derived from Cassini, Galileo, Voyager, and Earth-based observations
Icarus 172 59
2004 November
NIRC

Torres, G.; Konacki, M.; Sasselov, D. D.; Jha, S.
New Data and Improved Parameters for the Extrasolar Transiting Planet OGLE-TR-56b
ApJ 609 1071
2004 July 10
HIRES

Torres, G.; Konacki, M.; Sasselov, D.; Jha, S.
Testing Blend Scenarios for Extrasolar Transiting Planet Candidates. I. OGLE-TR-33: A False Positive
ApJ 614 979
2004 October 20
HIRES

Tran, K.; Franx, M.; Illingworth, G.; et. al.
Field E+A Galaxies at Intermediate Redshifts (0.3 < z < 1)
ApJ 609 683
2004 July 10
LRIS

Treu, T.; Koopmans, L.
Massive Dark Matter Halos and Evolution of Early-Type Galaxies to z ~ 1
ApJ 611 739
2004 August 20
ESI

Treu, T.; Malkan, M.; Blandford, R.
The Relation Between Black Hole Mass and Velocity Dispersion at z ~ 0.37
ApJL 615 L97
2004 November
LRIS

van Dokkum, P.; Franx, M.; Förster Schreiber, N.; et. al.
Stellar Populations and Kinematics of Red Galaxies at z > 2: Implications for the Formation of Massive Galaxies
ApJ 611 703
2004 August 20
NIRSPEC

Wang, J.; Rhoads, J.; Malhotra, S.; et. al.
X-Ray Nondetection of the Lya Emitters at z ~ 4.5
ApJL 608 L21
2004 June 10
LRIS DEIMOS

Weinberger, A. J.; Becklin, E. E.; Zuckerman, B.; Song, I.
A Search for Warm Circumstellar Disks in the TW Hydrae Association
AJ 127 2246
2004 April
LWS

White, R.; Hillenbrand, L.
On the Evolutionary Status of Class I Stars and Herbig-Haro Energy Sources in Taurus-Auriga
ApJ 616 998
2004 December
LRIS HIRES

Whysong, D.; Antonucci, R.
Thermal Emission as a Test for Hidden Nuclei in Nearby Radio Galaxies
ApJ 602 116
2004 February 10
LWS

Williams, J.; Najita, J.; Liu, M.; et al.
Detection of Cool Dust around the G2 V Star HD 107146
ApJ 604 414
2004 March 20
LWS

Williams, K.
The Impact of Unresolved Binaries on Searches for White Dwarfs in Open Clusters
ApJ 601 1067
2004 February 1
LRIS-B

Williams, K.; Bolte, M.; Liebert, J.
Spectroscopic Identification of Faint White Dwarf Candidates in the Praesepe Open Star Cluster
AJ 128 1784
2004 October
LRIS-B

Wirth, G.; Willmer, C.; Amico, P.; et al.
The Team Keck Treasury Redshift Survey of the GOODS-North Field
AJ 127 3121
2004 June
DEIMOS

Wolfe, A.; Howk, J.; Gawiser, E.; et. al.
On the Nature of the Heat Source for Damped Lya Systems
ApJ 615 625
2004 November 10
HIRES

Wright, J.; Marcy, G.; Butler, P.; et al.
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
ApJS 152 261
2004 June
HIRES

Wright, J.
Do We Know of Any Maunder Minimum Stars?
AJ 128 1273
2004 September
HIRES

Wuyts, S.; van Dokkum, P.; Kelson, D.; et al.
The Detailed Fundamental Plane of Two High-Redshift Clusters: MS 2053-04 at z = 0.58 and MS 1054-03 at z = 0.83
ApJ 605 677
2004 April
LRIS

Yan, L.; Thompson, D.; Soifer, B.
Optical Spectroscopy of K- Selected Extremely Red Galaxies
AJ 127 1274
2004 March
LRIS

Yan, L.; Choi, P.; Fadda, D.; et. al.
Spitzer 24 Micron Observations of Optical/Near-Infrared–Selected Extremely Red Galaxies: Evidence for Assembly of Massive Galaxies at z ~ 1–2?
ApJSS 154 75
2004 September
DEIMOS

Yong, D.; Lambert, D.; Allende Prieto, C.; Paulson, D.
Magnesium Isotope Ratios in Hyades Stars
ApJ 603 697
2004 March
HIRES

Yun, M.; Reddy, N.; Scoville, N.; et. al.
Multiwavelength Observations of the Gas-rich Host Galaxy of PDS 456: A New Challenge for the ULIRG-to-QSO Transition Scenario
ApJ 601 723
2004 February 1
NIRC

Zapatero Osorio, M.; Lane, B.; Pavlenko, Y.; et. al.
Dynamical Masses of the Binary Brown Dwarf GJ 569 Bab
ApJ 615 958
2004 November
AO NIRSPEC NGS

Zonak, S.; Charlton, J.; Ding, J.; Churchill, C.
The Absorption Signatures of Dwarf Galaxies: The z = 1.04 Multicloud Weak Mg II Absorber toward PG 1634+706
ApJ 606 196
2004 May 1
HIRES

Zuckerman, B.; Song, I.; Bessell, M.
The AB Doradus Moving Group
ApJL 613 L65
2004 September
HIRES

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