J. Xavier Prochaska

J. Xavier Prochaska

Professor of Astronomy & Astrophysics, UC Santa Cruz; Astronomer, UC Observatories.

Publications

Below are selected highlights. For my complete, continuously updated publication list, see my NASA ADS library or Google Scholar profile.

Journal Articles

Intergalactic medium tomography with the Sunburst Arc

Published in Monthly Notices of the Royal Astronomical Society, 2025

Recommended citation: Berg, M. A., Chisholm, J., Prochaska, J. X., et al. (2025). "Intergalactic medium tomography with the Sunburst Arc." Monthly Notices of the Royal Astronomical Society, 544, 1085-1102.
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A [C II] 158 μm Survey of Damped Lyα Absorber Galaxies at z ~ 4: Observations of Dense and Metal-enriched Neutral Gas within the Circumgalactic Medium of Star-forming Galaxies

Published in The Astrophysical Journal, 2025

Recommended citation: Neeleman, M., Kanekar, N., Prochaska, J. X., et al. (2025). "A [C II] 158 μm Survey of Damped Lyα Absorber Galaxies at z ~ 4: Observations of Dense and Metal-enriched Neutral Gas within the Circumgalactic Medium of Star-forming Galaxies." The Astrophysical Journal, 983, 26.
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The SUPERCOLD-CGM Survey. II. C I Emission and the Physical Conditions of Cold Gas in Enormous Lyα Nebulae at z ~ 2

Published in The Astrophysical Journal, 2024

Recommended citation: Li, J., Emonts, B. H. C., Cai, Z., et al. (2024). "The SUPERCOLD-CGM Survey. II. [C I](1─0) Emission and the Physical Conditions of Cold Gas in Enormous Lyα Nebulae at z ~ 2." The Astrophysical Journal, 977, 198.
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Quasar Sightline and Galaxy Evolution (QSAGE) - III. The mass-metallicity and fundamental metallicity relation of z ≈ 2.2 galaxies

Published in Monthly Notices of the Royal Astronomical Society, 2024

Recommended citation: Stephenson, H. M. O., Stott, J. P., Cullen, F., et al. (2024). "Quasar Sightline and Galaxy Evolution (QSAGE) - III. The mass-metallicity and fundamental metallicity relation of z ≈ 2.2 galaxies." Monthly Notices of the Royal Astronomical Society, 527, 7891-7904.
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Two-screen scattering in CRAFT FRBs

Published in Monthly Notices of the Royal Astronomical Society, 2023

Recommended citation: Sammons, M. W., Deller, A. T., Glowacki, M., et al. (2023). "Two-screen scattering in CRAFT FRBs." Monthly Notices of the Royal Astronomical Society, 525, 5653-5668.
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MUSE Analysis of Gas around Galaxies (MAGG) - V. Linking ionized gas traced by C IV and Si IV absorbers to Ly α emitting galaxies at z ≈ 3.0-4.5

Published in Monthly Notices of the Royal Astronomical Society, 2023

Recommended citation: Galbiati, M., Fumagalli, M., Fossati, M., et al. (2023). "MUSE Analysis of Gas around Galaxies (MAGG) - V. Linking ionized gas traced by C IV and Si IV absorbers to Ly α emitting galaxies at z ≈ 3.0-4.5." Monthly Notices of the Royal Astronomical Society, 524, 3474-3501.
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JCMT/SCUBA-2 uncovers an excess of 850 μm counts on megaparsec scales around high-redshift quasars. Characterization of the overdensities and their alignment with the quasars’ Lyα nebulae

Published in Astronomy & Astrophysics, 2023

Recommended citation: Arrigoni Battaia, F., Obreja, A., Chen, C. C., et al. (2023). "JCMT/SCUBA-2 uncovers an excess of 850 μm counts on megaparsec scales around high-redshift quasars. Characterization of the overdensities and their alignment with the quasars' Lyα nebulae." Astronomy & Astrophysics, 676, A51.
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Metal line emission from galaxy haloes at z ≈ 1

Published in Monthly Notices of the Royal Astronomical Society, 2023

Recommended citation: Dutta, R., Fossati, M., Fumagalli, M., et al. (2023). "Metal line emission from galaxy haloes at z ≈ 1." Monthly Notices of the Royal Astronomical Society, 522, 535-558.
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The Fundamental Patterns of Sea Surface Temperature

Published in IEEE Transactions on Geoscience and Remote Sensing, 2023

Recommended citation: Prochaska, J. X., Guo, E., Cornillon, P. C., et al. (2023). "The Fundamental Patterns of Sea Surface Temperature." IEEE Transactions on Geoscience and Remote Sensing, 61, TGRS.2023.
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The Optical Two- and Three-dimensional Fundamental Plane Correlations for Nearly 180 Gamma-Ray Burst Afterglows with Swift/UVOT, RATIR, and the Subaru Telescope

Published in The Astrophysical Journal Supplement Series, 2022

Recommended citation: Dainotti, M. G., Young, S., Li, L., et al. (2022). "The Optical Two- and Three-dimensional Fundamental Plane Correlations for Nearly 180 Gamma-Ray Burst Afterglows with Swift/UVOT, RATIR, and the Subaru Telescope." The Astrophysical Journal Supplement Series, 261, 25.
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The z-DM distribution of fast radio bursts

Published in Monthly Notices of the Royal Astronomical Society, 2022

Recommended citation: James, C. W., Prochaska, J. X., Macquart, J. P., et al. (2022). "The z-DM distribution of fast radio bursts." Monthly Notices of the Royal Astronomical Society, 509, 4775-4802.
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A Multiwavelength Study of ELAN Environments (AMUSE$^2$). Detection of a Dusty Star-forming Galaxy within the Enormous Lyα Nebula at z=2.3 Sheds Light on its Origin

Published in The Astrophysical Journal, 2021

Recommended citation: Chen, C. C., Arrigoni Battaia, F., Emonts, B. H. C., et al. (2021). "A Multiwavelength Study of ELAN Environments (AMUSE$^2$). Detection of a Dusty Star-forming Galaxy within the Enormous Lyα Nebula at z=2.3 Sheds Light on its Origin." The Astrophysical Journal, 923, 200.
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On the environments of giant radio galaxies

Published in Monthly Notices of the Royal Astronomical Society, 2021

Recommended citation: Lan, T. W., & Prochaska, J. X. (2021). "On the environments of giant radio galaxies." Monthly Notices of the Royal Astronomical Society, 502, 5104-5114.
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The COS Absorption Survey of Baryon Harbors: unveiling the physical conditions of circumgalactic gas through multiphase Bayesian ionization modelling

Published in Monthly Notices of the Royal Astronomical Society, 2021

Recommended citation: Haislmaier, K. J., Tripp, T. M., Katz, N., et al. (2021). "The COS Absorption Survey of Baryon Harbors: unveiling the physical conditions of circumgalactic gas through multiphase Bayesian ionization modelling." Monthly Notices of the Royal Astronomical Society, 502, 4993-5037.
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Evolution of the Cool Gas in the Circumgalactic Medium of Massive Halos: A Keck Cosmic Web Imager Survey of Lyα Emission around QSOs at z ≈ 2

Published in The Astrophysical Journal Supplement Series, 2019

Recommended citation: Cai, Z., Cantalupo, S., Prochaska, J. X., et al. (2019). "Evolution of the Cool Gas in the Circumgalactic Medium of Massive Halos: A Keck Cosmic Web Imager Survey of Lyα Emission around QSOs at z ≈ 2." The Astrophysical Journal Supplement Series, 245, 23.
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Enhancement of H I absorption associated with the z = 3.1 large-scale proto-cluster and characteristic structures with AGNs sculptured over Gpc scale in the SSA22 field

Published in Monthly Notices of the Royal Astronomical Society, 2019

Recommended citation: Hayashino, T., Inoue, A. K., Kousai, K., et al. (2019). "Enhancement of H I absorption associated with the z = 3.1 large-scale proto-cluster and characteristic structures with AGNs sculptured over Gpc scale in the SSA22 field." Monthly Notices of the Royal Astronomical Society, 484, 5868-5887.
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2019 FE1

Published in Minor Planet Electronic Circulars, 2019

Recommended citation: Mastaler, R. A., Ries, J. G., Hug, G., et al. (2019). "2019 FE1." Minor Planet Electronic Circulars, 2019-F139.
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Constraining sub-parsec binary supermassive black holes in quasars with multi-epoch spectroscopy - III. Candidates from continued radial velocity tests

Published in Monthly Notices of the Royal Astronomical Society, 2019

Recommended citation: Guo, H., Liu, X., Shen, Y., et al. (2019). "Constraining sub-parsec binary supermassive black holes in quasars with multi-epoch spectroscopy - III. Candidates from continued radial velocity tests." Monthly Notices of the Royal Astronomical Society, 482, 3288-3307.
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Spectral Image Classification with Deep Learning

Published in Publications of the Astronomical Society of the Pacific, 2018

Recommended citation: Jankov, V., & Prochaska, J. X. (2018). "Spectral Image Classification with Deep Learning." Publications of the Astronomical Society of the Pacific, 130, 094501.
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GRB 180402A: RATIR Upper Limits.

Published in GRB Coordinates Network, 2018

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2018). "GRB 180402A: RATIR Upper Limits.." GRB Coordinates Network, 22582, 1.
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ALMA and RATIR observations of GRB 131030A

Published in Publications of the Astronomical Society of Japan, 2017

Recommended citation: Huang, K., Urata, Y., Takahashi, S., et al. (2017). "ALMA and RATIR observations of GRB 131030A." Publications of the Astronomical Society of Japan, 69, 20.
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Correcting C IV-based virial black hole masses

Published in Monthly Notices of the Royal Astronomical Society, 2017

Recommended citation: Coatman, L., Hewett, P. C., Banerji, M., et al. (2017). "Correcting C IV-based virial black hole masses." Monthly Notices of the Royal Astronomical Society, 465, 2120-2142.
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Quasars Probing Quasars. VIII. The Physical Properties of the Cool Circumgalactic Medium Surrounding z -0.5ex 2-3 Massive Galaxies Hosting Quasars

Published in The Astrophysical Journal Supplement Series, 2016

Recommended citation: Lau, M. W., Prochaska, J. X., & Hennawi, J. F. (2016). "Quasars Probing Quasars. VIII. The Physical Properties of the Cool Circumgalactic Medium Surrounding z -0.5ex 2-3 Massive Galaxies Hosting Quasars." The Astrophysical Journal Supplement Series, 226, 25.
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The Bright Symbiotic Mira EF Aquilae

Published in Publications of the Astronomical Society of the Pacific, 2016

Recommended citation: Margon, B., Prochaska, J. X., Tejos, N., et al. (2016). "The Bright Symbiotic Mira EF Aquilae." Publications of the Astronomical Society of the Pacific, 128, 024201.
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GRB 160203A: RATIR Upper Limits.

Published in GRB Coordinates Network, 2016

Recommended citation: Golkhou, V. Z., Butler, N., Watson, A. M., et al. (2016). "GRB 160203A: RATIR Upper Limits.." GRB Coordinates Network, 19007, 1.
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Data Reduction with the MIKE Spectrometer

Published in Publications of the Astronomical Society of the Pacific, 2015

Recommended citation: Bernstein, R. M., Burles, S. M., & Prochaska, J. X. (2015). "Data Reduction with the MIKE Spectrometer." Publications of the Astronomical Society of the Pacific, 127, 911.
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The neutral hydrogen cosmological mass density at z = 5

Published in Monthly Notices of the Royal Astronomical Society, 2015

Recommended citation: Crighton, N. H. M., Murphy, M. T., Prochaska, J. X., et al. (2015). "The neutral hydrogen cosmological mass density at z = 5." Monthly Notices of the Royal Astronomical Society, 452, 217-234.
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Science with KRAKENS

Published in arXiv e-prints, 2015

Recommended citation: Mazin, B. A., Becker, G., France, K., et al. (2015). "Science with KRAKENS." arXiv e-prints, arXiv:1506.03458.
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GRB 151027B: RATIR Observations.

Published in GRB Coordinates Network, 2015

Recommended citation: Watson, A. M., Butler, N., Kutyrev, A., et al. (2015). "GRB 151027B: RATIR Observations.." GRB Coordinates Network, 18512, 1.
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GRB 151027A: Keck/HIRES redshift.

Published in GRB Coordinates Network, 2015

Recommended citation: Perley, D. A., Hillenbrand, L., & Prochaska, J. X. (2015). "GRB 151027A: Keck/HIRES redshift.." GRB Coordinates Network, 18487, 1.
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GRB 151023A: RATIR Observations.

Published in GRB Coordinates Network, 2015

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2015). "GRB 151023A: RATIR Observations.." GRB Coordinates Network, 18464, 1.
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GRB 151022A: RATIR Upper Limits.

Published in GRB Coordinates Network, 2015

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2015). "GRB 151022A: RATIR Upper Limits.." GRB Coordinates Network, 18449, 1.
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GRB 151001A: RATIR Observations.

Published in GRB Coordinates Network, 2015

Recommended citation: Golkhou, V. Z., Butler, N., Watson, A. M., et al. (2015). "GRB 151001A: RATIR Observations.." GRB Coordinates Network, 18386, 1.
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GRB 150910A: RATIR Observations.

Published in GRB Coordinates Network, 2015

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2015). "GRB 150910A: RATIR Observations.." GRB Coordinates Network, 18302, 1.
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GRB 150710A: RATIR Observations.

Published in GRB Coordinates Network, 2015

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2015). "GRB 150710A: RATIR Observations.." GRB Coordinates Network, 18001, 1.
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GRB 150424A: RATIR Observations.

Published in GRB Coordinates Network, 2015

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2015). "GRB 150424A: RATIR Observations.." GRB Coordinates Network, 17762, 1.
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The host of the SN-less GRB 060505 in high resolution

Published in Monthly Notices of the Royal Astronomical Society, 2014

Recommended citation: Th\"one, C. C., Christensen, L., Prochaska, J. X., et al. (2014). "The host of the SN-less GRB 060505 in high resolution." Monthly Notices of the Royal Astronomical Society, 441, 2034-2048.
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GRB 140129A: P200 spectroscopy.

Published in GRB Coordinates Network, 2014

Recommended citation: Perley, D. A., Rafelski, M., Masters, D., et al. (2014). "GRB 140129A: P200 spectroscopy.." GRB Coordinates Network, 15773, 1.
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A search for boron in damped Lyα systems

Published in Monthly Notices of the Royal Astronomical Society, 2013

Recommended citation: Berg, T. A. M., Ellison, S. L., Venn, K. A., et al. (2013). "A search for boron in damped Lyα systems." Monthly Notices of the Royal Astronomical Society, 434, 2892-2906.
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GRB 130310A: RATIR observations.

Published in GRB Coordinates Network, 2013

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2013). "GRB 130310A: RATIR observations.." GRB Coordinates Network, 14350, 1.
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GRB 130305A: RATIR observations.

Published in GRB Coordinates Network, 2013

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2013). "GRB 130305A: RATIR observations.." GRB Coordinates Network, 14267, 1.
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GRB 130131B: RATIR upper limits.

Published in GRB Coordinates Network, 2013

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2013). "GRB 130131B: RATIR upper limits.." GRB Coordinates Network, 14179, 1.
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GRB 130122A: RATIR detection.

Published in GRB Coordinates Network, 2013

Recommended citation: Butler, N., Watson, A. M., Kutyrev, A., et al. (2013). "GRB 130122A: RATIR detection.." GRB Coordinates Network, 14147, 1.
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H I content, metallicities and spin temperatures of damped and sub-damped Lyα systems in the redshift desert (0.6 < z$_abs$ < 1.7)$^★$

Published in Monthly Notices of the Royal Astronomical Society, 2012

Recommended citation: Ellison, S. L., Kanekar, N., Prochaska, J. X., et al. (2012). "H I content, metallicities and spin temperatures of damped and sub-damped Lyα systems in the redshift desert (0.6 < z$_abs$ < 1.7)$^★$." Monthly Notices of the Royal Astronomical Society, 424, 293-312.
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GRB 121211A: Keck/LRIS redshift.

Published in GRB Coordinates Network, 2012

Recommended citation: Perley, D. A., Prochaska, J. X., & Morgan, A. N. (2012). "GRB 121211A: Keck/LRIS redshift.." GRB Coordinates Network, 14059, 1.
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The BigBOSS Experiment

Published in arXiv e-prints, 2011

Recommended citation: Schlegel, D., Abdalla, F., Abraham, T., et al. (2011). "The BigBOSS Experiment." arXiv e-prints, arXiv:1106.1706.
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GRB 111215A: Keck/LRIS imaging.

Published in GRB Coordinates Network, 2011

Recommended citation: Cenko, S. B., Bloom, J. S., Silverman, J. M., et al. (2011). "GRB 111215A: Keck/LRIS imaging.." GRB Coordinates Network, 12734, 1.
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GRB 110213B: Gemini south redshift.

Published in GRB Coordinates Network, 2011

Recommended citation: Cenko, S. B., Prochaska, J. X., Cucchiara, A., et al. (2011). "GRB 110213B: Gemini south redshift.." GRB Coordinates Network, 11736, 1.
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The nature of proximate damped Lyman α systems

Published in Monthly Notices of the Royal Astronomical Society, 2010

Recommended citation: Ellison, S. L., Prochaska, J. X., Hennawi, J., et al. (2010). "The nature of proximate damped Lyman α systems." Monthly Notices of the Royal Astronomical Society, 406, 1435-1459.
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Erratum: “Low-Resolution Spectroscopy of Gamma-Ray Burst Optical Afterglows: Biases in the Swift Sample and Characterization of the Absorbers” (2009, ApJS, 185, 526)

Published in The Astrophysical Journal Supplement Series, 2010

Recommended citation: Fynbo, J. P. U., Jakobsson, P., Prochaska, J. X., et al. (2010). "Erratum: "Low-Resolution Spectroscopy of Gamma-Ray Burst Optical Afterglows: Biases in the Swift Sample and Characterization of the Absorbers" (2009, ApJS, 185, 526)." The Astrophysical Journal Supplement Series, 186, 485-496.
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GRB 090426 Keck LRIS redshift.

Published in GRB Coordinates Network, 2009

Recommended citation: Levesque, E., Chornock, R., Kewley, L., et al. (2009). "GRB 090426 Keck LRIS redshift.." GRB Coordinates Network, 9264, 1.
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GRB 090313: gemini-s redshift.

Published in GRB Coordinates Network, 2009

Recommended citation: Chornock, R., Perley, D. A., Cenko, S. B., et al. (2009). "GRB 090313: gemini-s redshift.." GRB Coordinates Network, 8994, 1.
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Emergence of a quasar outflow

Published in Monthly Notices of the Royal Astronomical Society, 2008

Recommended citation: Hamann, F., Kaplan, K. F., Rodr\' Hidalgo, P., et al. (2008). "Emergence of a quasar outflow." Monthly Notices of the Royal Astronomical Society, 391, L39-L43.
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Bimodality in Damped Lyα Systems

Published in The Astrophysical Journal, 2008

Recommended citation: Wolfe, A. M., Prochaska, J. X., Jorgenson, R. A., et al. (2008). "Bimodality in Damped Lyα Systems." The Astrophysical Journal, 681, 881-896.
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GRB 080503: further HST imaging.

Published in GRB Coordinates Network, 2008

Recommended citation: Perley, D. A., Bloom, J. S., Levan, A. J., et al. (2008). "GRB 080503: further HST imaging.." GRB Coordinates Network, 7749, 1.
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GRB 080507: Keck photometry.

Published in GRB Coordinates Network, 2008

Recommended citation: Perley, D. A., Prochaska, J. X., & Hennawi, J. (2008). "GRB 080507: Keck photometry.." GRB Coordinates Network, 7706, 1.
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GRB 070925: Gemini south imaging.

Published in GRB Coordinates Network, 2007

Recommended citation: Bloom, J. S., Perley, D. A., Chen, H. W., et al. (2007). "GRB 070925: Gemini south imaging.." GRB Coordinates Network, 6827, 1.
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GRB 070802: VLT redshift.

Published in GRB Coordinates Network, 2007

Recommended citation: Prochaska, J. X., Thoene, C. C., Malesani, D., et al. (2007). "GRB 070802: VLT redshift.." GRB Coordinates Network, 6698, 1.
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GRB 070521: Keck imaging.

Published in GRB Coordinates Network, 2007

Recommended citation: Perley, D. A., Bloom, J. S., Prochaska, J. X., et al. (2007). "GRB 070521: Keck imaging.." GRB Coordinates Network, 6451, 1.
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Supersolar Super-Lyman Limit Systems

Published in The Astrophysical Journal Letters, 2006

Recommended citation: Prochaska, J. X., O'Meara, J. M., Herbert-Fort, S., et al. (2006). "Supersolar Super-Lyman Limit Systems." The Astrophysical Journal Letters, 648, L97-L100.
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The Metal-strong Damped Lyα Systems

Published in Publications of the Astronomical Society of the Pacific, 2006

Recommended citation: Herbert-Fort, S., Prochaska, J. X., Dessauges-Zavadsky, M., et al. (2006). "The Metal-strong Damped Lyα Systems." Publications of the Astronomical Society of the Pacific, 118, 1077-1097.
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GRB 060206: Lick 3m spectroscopy.

Published in GRB Coordinates Network, 2006

Recommended citation: Prochaska, J. X., Wong, D. S., Park, S. H., et al. (2006). "GRB 060206: Lick 3m spectroscopy.." GRB Coordinates Network, 4701, 1.
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Damped Ly α Systems

Published in Annual Review of Astronomy and Astrophysics, 2005

Recommended citation: Wolfe, A. M., Gawiser, E., & Prochaska, J. X. (2005). "Damped Ly α Systems." Annual Review of Astronomy and Astrophysics, 43, 861-918.
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GRB 051227: Keck spectroscopy.

Published in GRB Coordinates Network, 2005

Recommended citation: Foley, R. J., Bloom, J. S., Prochaska, J. X., et al. (2005). "GRB 051227: Keck spectroscopy.." GRB Coordinates Network, 4409, 1.
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GRB 051210: Magellan imaging.

Published in GRB Coordinates Network, 2005

Recommended citation: Bloom, J. S., Modjaz, M., Challis, P., et al. (2005). "GRB 051210: Magellan imaging.." GRB Coordinates Network, 4330, 1.
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GRB051021b: magellan IR imaging.

Published in GRB Coordinates Network, 2005

Recommended citation: Kaplan, D. L., Chen, H. W., Bloom, J. S., et al. (2005). "GRB051021b: magellan IR imaging.." GRB Coordinates Network, 4146, 1.
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GRB 050803: Keck observations.

Published in GRB Coordinates Network, 2005

Recommended citation: Bloom, J. S., Perley, D., Foley, R., et al. (2005). "GRB 050803: Keck observations.." GRB Coordinates Network, 3758, 1.
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GRB 050402A: IR analysis.

Published in GRB Coordinates Network, 2005

Recommended citation: Chen, H. W., Bloom, J. S., Prochaska, J. X., et al. (2005). "GRB 050402A: IR analysis.." GRB Coordinates Network, 3170, 1.
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GRB 050402A: IR observations.

Published in GRB Coordinates Network, 2005

Recommended citation: Chen, H. W., Bloom, J. S., Prochaska, J. X., et al. (2005). "GRB 050402A: IR observations.." GRB Coordinates Network, 3168, 1.
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The ESI/Keck II Damped Lyα Abundance Database

Published in The Astrophysical Journal Supplement Series, 2003

Recommended citation: Prochaska, J. X., Gawiser, E., Wolfe, A. M., et al. (2003). "The ESI/Keck II Damped Lyα Abundance Database." The Astrophysical Journal Supplement Series, 147, 227-264.
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Probing the H I Kinematics of the Large Magellenic Cloud: Toward Interpreting Quasar Absorption-Line Observations of Protogalactic Velocity Fields

Published in Publications of the Astronomical Society of the Pacific, 2002

Recommended citation: Prochaska, J. X., Ryan-Weber, E., & Staveley-Smith, L. (2002). "Probing the H I Kinematics of the Large Magellenic Cloud: Toward Interpreting Quasar Absorption-Line Observations of Protogalactic Velocity Fields." Publications of the Astronomical Society of the Pacific, 114, 1197-1205.
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GRB 990806 optical observations.

Published in GRB Coordinates Network, 1999

Recommended citation: Prochaska, J., Thompson, I., Bloom, J. S., et al. (1999). "GRB 990806 optical observations.." GRB Coordinates Network, 399, 1.
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Conference Papers

Constraining the baryon cycle with Damped Ly-alpha Absorbers

Published in Resolving the Circumgalactic Medium and its Impact on Galaxy Evolution, 2024

Recommended citation: Oyarzun, G., Rafelski, M., Neeleman, M., et al. (2024). "Constraining the baryon cycle with Damped Ly-alpha Absorbers." Resolving the Circumgalactic Medium and its Impact on Galaxy Evolution, 64.
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FRB20220717A spectral analysis

Published in American Astronomical Society Meeting Abstracts \#243, 2024

Recommended citation: Muller, A., Jorgenson, R., Prochaska, J., et al. (2024). "FRB20220717A spectral analysis." American Astronomical Society Meeting Abstracts \#243, 243, 306.29.
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The Optical Two and Three-Dimensional Fundamental Plane Correlations for More than 180 Gamma-Ray Burst Afterglows with Swift/UVOT, RATIR, and the SUBARU Telescope

Published in American Astronomical Society Meeting \#240, 2022

Recommended citation: Dainotti, M., Young, S., Li, L., et al. (2022). "The Optical Two and Three-Dimensional Fundamental Plane Correlations for More than 180 Gamma-Ray Burst Afterglows with Swift/UVOT, RATIR, and the SUBARU Telescope." American Astronomical Society Meeting \#240, 240, 109.06.
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The Keck-FOBOS spectroscopic facility: conceptual design

Published in Ground-based and Airborne Instrumentation for Astronomy VIII, 2020

Recommended citation: Bundy, K., Westfall, K. B., MacDonald, N., et al. (2020). "The Keck-FOBOS spectroscopic facility: conceptual design." Ground-based and Airborne Instrumentation for Astronomy VIII, 11447, 114471D.
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FOBOS: A Next-Generation Spectroscopic Facility

Published in Bulletin of the American Astronomical Society, 2019

Recommended citation: Bundy, K., Westfall, K., MacDonald, N., et al. (2019). "FOBOS: A Next-Generation Spectroscopic Facility." Bulletin of the American Astronomical Society, 51, 198.
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Quasars Probing Quasars: The quasar pair catalog

Published in American Astronomical Society Meeting Abstracts \#230, 2017

Recommended citation: Findlay, J., Hennawi, J. F., Prochaska, J. X., et al. (2017). "Quasars Probing Quasars: The quasar pair catalog." American Astronomical Society Meeting Abstracts \#230, 230, 316.03.
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Discovering the Lowest Metallicity z<1 Galaxies

Published in American Astronomical Society Meeting Abstracts \#229, 2017

Recommended citation: Tirimba, K., & Prochaska, J. X. (2017). "Discovering the Lowest Metallicity z<1 Galaxies." American Astronomical Society Meeting Abstracts \#229, 229, 340.17.
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Quasar Outflows and Black Hole Masses

Published in Active Galactic Nuclei: What's in a Name?, 2016

Recommended citation: Coatman, L., Hewett, P., Banerji, M., et al. (2016). "Quasar Outflows and Black Hole Masses." Active Galactic Nuclei: What's in a Name?, 106.
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Simultaneous detections of a Milky Way type 2175 A bump and CI, CO in a metal-rich and highly dust depleted absorption system at z=2.12 towards QSO J1211+0833

Published in American Astronomical Society Meeting Abstracts \#225, 2015

Recommended citation: Ma, J., Caucal, P., Noterdaeme, P., et al. (2015). "Simultaneous detections of a Milky Way type 2175 A bump and CI, CO in a metal-rich and highly dust depleted absorption system at z=2.12 towards QSO J1211+0833." American Astronomical Society Meeting Abstracts \#225, 225, 331.04.
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The Rapid Evolution of HI Rich Galaxies at 5

Published in American Astronomical Society Meeting Abstracts \#223, 2014

Recommended citation: Rafelski, M., Neeleman, M., Wolfe, A. M., et al. (2014). "The Rapid Evolution of HI Rich Galaxies at 5." American Astronomical Society Meeting Abstracts \#223, 223, 137.01.
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The CGM around dwarf galaxies

Published in American Astronomical Society Meeting Abstracts \#223, 2014

Recommended citation: Bordoloi, R., Tumlinson, J., Werk, J., et al. (2014). "The CGM around dwarf galaxies." American Astronomical Society Meeting Abstracts \#223, 223, 110.02.
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The Circumgalactic Medium of Low-Mass Galaxies at 2

Published in American Astronomical Society Meeting Abstracts \#221, 2013

Recommended citation: Rubin, K., Simcoe, R. A., Hennawi, J., et al. (2013). "The Circumgalactic Medium of Low-Mass Galaxies at 2." American Astronomical Society Meeting Abstracts \#221, 221, 322.03.
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The Keck Observatory Database of Ionized Absorbers Toward QSOs (KODIAQ): II. A large Sample of CIV Selected Absorbers in the IGM and the ISM and CGM of Galaxies at z>1.6

Published in American Astronomical Society Meeting Abstracts \#221, 2013

Recommended citation: Armstrong, A., Burns, V., O'Meara, J., et al. (2013). "The Keck Observatory Database of Ionized Absorbers Toward QSOs (KODIAQ): II. A large Sample of CIV Selected Absorbers in the IGM and the ISM and CGM of Galaxies at z>1.6." American Astronomical Society Meeting Abstracts \#221, 221, 245.01.
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The Keck Observatory Database of Ionized Absorbers toward QSOs (KODIAQ): Hunting for OVI Absorbers at z>2 to Probe the Physics and Metal Budget of the Circumgalactic Medium

Published in American Astronomical Society Meeting Abstracts \#221, 2013

Recommended citation: O'Meara, J., Lehner, N., Fox, A., et al. (2013). "The Keck Observatory Database of Ionized Absorbers toward QSOs (KODIAQ): Hunting for OVI Absorbers at z>2 to Probe the Physics and Metal Budget of the Circumgalactic Medium." American Astronomical Society Meeting Abstracts \#221, 221, 134.02.
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Keck 1 deployable tertiary mirror (K1DM3)

Published in Ground-based and Airborne Telescopes IV, 2012

Recommended citation: Prochaska, J. X., Pistor, C., Cabak, G., et al. (2012). "Keck 1 deployable tertiary mirror (K1DM3)." Ground-based and Airborne Telescopes IV, 8444, 84444R.
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The IGM-galaxy connection

Published in Galaxy Formation, 2011

Recommended citation: Prochaska, J. X., Chen, H. W., Fumagalli, M., et al. (2011). "The IGM-galaxy connection." Galaxy Formation, 65.
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New Results on Quasar Outflows

Published in Co-Evolution of Central Black Holes and Galaxies, 2010

Recommended citation: Hamann, F., Kanekar, N., Prochaska, J. X., et al. (2010). "New Results on Quasar Outflows." Co-Evolution of Central Black Holes and Galaxies, 267, 399-399.
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The Synoptic All-Sky Infrared (SASIR) Survey

Published in American Astronomical Society Meeting Abstracts \#215, 2010

Recommended citation: Prochaska, J. X., Bloom, J., Lee, W., et al. (2010). "The Synoptic All-Sky Infrared (SASIR) Survey." American Astronomical Society Meeting Abstracts \#215, 215, 604.07.
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C IV Absorbers Along the Sightlines to Gamma-Ray Bursts

Published in Revista Mexicana de Astronomia y Astrofisica Conference Series, 2009

Recommended citation: Tejos, N., Lopez, S., Prochaska, J. X., et al. (2009). "C IV Absorbers Along the Sightlines to Gamma-Ray Bursts." Revista Mexicana de Astronomia y Astrofisica Conference Series, 35, 245-246.
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FUV Observations of a Strong OVI Absorber and a Lyman Limit System

Published in Future Directions in Ultraviolet Spectroscopy: A Conference Inspired by the Accomplishments of the Far Ultraviolet Spectroscopic Explorer Mission, 2009

Recommended citation: Lehner, N., Howk, J. C., Prochaska, J. X., et al. (2009). "FUV Observations of a Strong OVI Absorber and a Lyman Limit System." Future Directions in Ultraviolet Spectroscopy: A Conference Inspired by the Accomplishments of the Far Ultraviolet Spectroscopic Explorer Mission, 1135, 34-36.
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The Cosmic Web

Published in astro2010: The Astronomy and Astrophysics Decadal Survey, 2009

Recommended citation: Bertone, S., Bregman, J. N., Cen, R., et al. (2009). "The Cosmic Web." astro2010: The Astronomy and Astrophysics Decadal Survey, 2010, 270.
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How do galaxies accrete gas and form stars?

Published in astro2010: The Astronomy and Astrophysics Decadal Survey, 2009

Recommended citation: Putman, M. E., Henning, P., Bolatto, A., et al. (2009). "How do galaxies accrete gas and form stars?." astro2010: The Astronomy and Astrophysics Decadal Survey, 2010, 241.
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Project Lyman: Resolving the Physics Behind Reionization

Published in astro2010: The Astronomy and Astrophysics Decadal Survey, 2009

Recommended citation: McCandliss, S. R., Andersson, B. G., Bergvall, N., et al. (2009). "Project Lyman: Resolving the Physics Behind Reionization." astro2010: The Astronomy and Astrophysics Decadal Survey, 2010, 196.
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Astronomical Software Wants To Be Free: A Manifesto

Published in astro2010: The Astronomy and Astrophysics Decadal Survey, 2009

Recommended citation: Weiner, B., Blanton, M. R., Coil, A. L., et al. (2009). "Astronomical Software Wants To Be Free: A Manifesto." astro2010: The Astronomy and Astrophysics Decadal Survey, 2010, P61.
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Baryons: What,When and Where?

Published in Astrophysics in the Next Decade, 2009

Recommended citation: Prochaska, J. X., & Tumlinson, J. (2009). "Baryons: What,When and Where?." Astrophysics in the Next Decade, 10, 419.
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H$_2$ and CO Absorption from a Dark Cloud at Z = 3.04

Published in American Astronomical Society Meeting Abstracts \#213, 2009

Recommended citation: Sheffer, Y., Prochaska, J. X., Perley, D. A., et al. (2009). "H$_2$ and CO Absorption from a Dark Cloud at Z = 3.04." American Astronomical Society Meeting Abstracts \#213, 213, 485.11.
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THEIA Science and General Astrophysics

Published in American Astronomical Society Meeting Abstracts \#213, 2009

Recommended citation: Seager, S., Spergel, D., Scowen, P., et al. (2009). "THEIA Science and General Astrophysics." American Astronomical Society Meeting Abstracts \#213, 213, 458.08.
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Emergence of a Quasar Outflow

Published in American Astronomical Society Meeting Abstracts \#213, 2009

Recommended citation: Hamann, F. W., Kaplan, K. F., Rodriguez Hidalgo, P., et al. (2009). "Emergence of a Quasar Outflow." American Astronomical Society Meeting Abstracts \#213, 213, 446.12.
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High Velocity Outflows in Quasars

Published in American Astronomical Society Meeting Abstracts, 2007

Recommended citation: Rodriguez, P., Hamann, F., Nestor, D., et al. (2007). "High Velocity Outflows in Quasars." American Astronomical Society Meeting Abstracts, 211, 75.04.
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Germanium in Damped Lyman-α Systems and Copper Connection

Published in Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites, 2006

Recommended citation: Gallino, R., Pignatari, M., Bisterzo, S., et al. (2006). "Germanium in Damped Lyman-α Systems and Copper Connection." Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites, 266.
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The Mass of Systems at 2.5 < z < 5

Published in American Astronomical Society Meeting Abstracts, 2005

Recommended citation: Cooke, J., Wolfe, A. M., Gawiser, E., et al. (2005). "The Mass of Systems at 2.5 < z < 5." American Astronomical Society Meeting Abstracts, 207, 22.10.
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The Distribution of Metal Poor Galaxies in the N/O Plateau

Published in Revista Mexicana de Astronomia y Astrofisica Conference Series, 2005

Recommended citation: Nava, A., Henry, R. B. C., & Prochaska, J. X. (2005). "The Distribution of Metal Poor Galaxies in the N/O Plateau." Revista Mexicana de Astronomia y Astrofisica Conference Series, 23, 117-117.
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Closing in on a Short-Hard Burst Progenitor: Constraints from Early-Time Optical Imaging and Spectroscopy of a Possible Host Galaxy of GRB 050509b

Published in American Astronomical Society Meeting Abstracts \#206, 2005

Recommended citation: Bloom, J. B., Prochaska, J. X., Pooley, D., et al. (2005). "Closing in on a Short-Hard Burst Progenitor: Constraints from Early-Time Optical Imaging and Spectroscopy of a Possible Host Galaxy of GRB 050509b." American Astronomical Society Meeting Abstracts \#206, 206, 47.04.
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The MIKE/HIRES Lyman limit survey: first results

Published in IAU Colloquium 199: Probing Galaxies through Quasar Absorption Lines, 2005

Recommended citation: Prochter, G. E., Prochaska, J. X., Burles, S. M., et al. (2005). "The MIKE/HIRES Lyman limit survey: first results." IAU Colloquium 199: Probing Galaxies through Quasar Absorption Lines, 466-468.
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The first detection of cobalt in a Damped Lyman Alpha system

Published in New Quests in Stellar Astrophysics: the Link Between Stars and Cosmology, 2002

Recommended citation: Ellison, S. L., Ryan, S. G., & Prochaska, J. X. (2002). "The first detection of cobalt in a Damped Lyman Alpha system." New Quests in Stellar Astrophysics: the Link Between Stars and Cosmology, 274, 207-210.
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Properties of a Chemically Enriched Lyman α Absorption System at z = 0.167 and Implications for the Total Baryons in Extended Gaseous Envelopes Around Galaxies

Published in Extragalactic Gas at Low Redshift, 2002

Recommended citation: Chen, H. W., Prochaska, J. X., & Lanzetta, K. M. (2002). "Properties of a Chemically Enriched Lyman α Absorption System at z = 0.167 and Implications for the Total Baryons in Extended Gaseous Envelopes Around Galaxies." Extragalactic Gas at Low Redshift, 254, 88.
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Optical-Xray Study of the Galaxy Cluster 1E 0657-56

Published in American Astronomical Society Meeting Abstracts, 2000

Recommended citation: Rappoport, S. A., Prochaska, J. X., Tucker, W. K., et al. (2000). "Optical-Xray Study of the Galaxy Cluster 1E 0657-56." American Astronomical Society Meeting Abstracts, 197, 17.07.
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Chemical abundances in the damped Ly-alpha systems

Published in Discoveries and Research Prospects from 8- to 10-Meter-Class Telescopes, 2000

Recommended citation: Prochaska, J. X. (2000). "Chemical abundances in the damped Ly-alpha systems." Discoveries and Research Prospects from 8- to 10-Meter-Class Telescopes, 4005, 65-74.
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Making damped Lyman-α systems in semi-analytic models

Published in After the Dark Ages: When Galaxies were Young (the Universe at 2 < Z < 5), 1999

Recommended citation: Maller, A. H., Somerville, R. S., Prochaska, J. X., et al. (1999). "Making damped Lyman-α systems in semi-analytic models." After the Dark Ages: When Galaxies were Young (the Universe at 2 < Z < 5), 470, 102-105.
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