Search Results - "Wirth, Gregory D"

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    SPATIAL AND KINEMATIC DISTRIBUTIONS OF TRANSITION POPULATIONS IN INTERMEDIATE REDSHIFT GALAXY CLUSTERS by Crawford, Steven M, Wirth, Gregory D, Bershady, Matthew A

    Published in The Astrophysical journal (01-05-2014)
    “…We analyze the spatial and velocity distributions of confirmed members in five massive clusters of galaxies at intermediate redshift (0.5 < z < 0.9) to…”
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    Journal Article
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    SPECTROSCOPY OF LUMINOUS COMPACT BLUE GALAXIES IN DISTANT CLUSTERS. II. PHYSICAL PROPERTIES OF dE PROGENITOR CANDIDATES by Crawford, S. M., Wirth, Gregory D., Bershady, M. A., Randriamampandry, S. M.

    Published in The Astrophysical journal (01-02-2016)
    “…ABSTRACT Luminous Compact Blue Galaxies (LCBGs) are an extreme star-bursting population of galaxies that were far more common at earlier epochs than today…”
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    Journal Article
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    SPECTROSCOPY OF LUMINOUS COMPACT BLUE GALAXIES IN DISTANT CLUSTERS. I. SPECTROSCOPIC DATA by CRAWFORD, Steven M, WIRTH, Gregory D, BERSHADY, Matthew A, HON, Kimo

    Published in The Astrophysical journal (10-11-2011)
    “…We used the DEIMOS spectrograph on the Keck II Telescope to obtain spectra of galaxies in the fields of five distant, rich galaxy clusters over the redshift…”
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    Journal Article
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    Caltech Faint Galaxy Redshift Survey. XI. The Merger Rate to Redshift 1 from Kinematic Pairs by Carlberg, R. G, Cohen, Judith G, Patton, D. R, Blandford, Roger, Hogg, David W, Yee, H. K. C, Morris, S. L, Lin, H, Hall, Patrick B, Sawicki, M, Wirth, Gregory D, Cowie, Lennox L, Hu, Esther, Songaila, Antoinette

    Published in The Astrophysical journal (20-03-2000)
    “…The rate of mass accumulation due to galaxy merging depends on the mass, density, and velocity distribution of galaxies in the near neighborhood of a host…”
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    Journal Article
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    Deep Keck u-Band Imaging of the Hubble Ultra Deep Field: A Catalog of z ~ 3 Lyman Break Galaxies by Rafelski, Marc, Wolfe, Arthur M, Cooke, Jeff, Chen, Hsiao-Wen, Armandroff, Taft E, Wirth, Gregory D

    Published in The Astrophysical journal (01-10-2009)
    “…We present a sample of 407 z ~ 3 Lyman break galaxies (LBGs) to a limiting isophotal u-band magnitude of 27.6 mag in the Hubble Ultra Deep Field. The LBGs are…”
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    Journal Article
  6. 6

    Old before their time by Wirth, Gregory D

    Published in Nature (08-07-2004)
    “…In the past two decades, astrophysicists have been spectacularly successful in explaining the early evolution of the universe. But the discovery of massive,…”
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    Journal Article
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    SPECTROSCOPY OF LUMINOUS COMPACT BLUE GALAXIES IN DISTANT CLUSTERS. I. SPECTROSCOPIC DATA by Crawford, Steven M., Wirth, Gregory D., Hon, Kimo, Bershady, Matthew A.

    Published in The Astrophysical journal (10-11-2011)
    “…We used the DEIMOS spectrograph on the Keck II Telescope to obtain spectra of galaxies in the fields of five distant, rich galaxy clusters over the redshift…”
    Get full text
    Journal Article
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    DEEP KECK u-BAND IMAGING OF THE HUBBLE ULTRA DEEP FIELD: A CATALOG OF z approx 3 LYMAN BREAK GALAXIES by Rafelski, Marc, Wolfe, Arthur M., Cooke, Jeff, Chen, H.-W., Armandroff, Taft E., Wirth, Gregory D.

    Published in The Astrophysical journal (01-10-2009)
    “…We present a sample of 407 z approx 3 Lyman break galaxies (LBGs) to a limiting isophotal u-band magnitude of 27.6 mag in the Hubble Ultra Deep Field. The LBGs…”
    Get full text
    Journal Article
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    Spatial and Kinematic Distributions of Transition Populations in Intermediate Redshift Galaxy Clusters by Crawford, Steven M, Wirth, Gregory D, Bershady, Matthew A

    Published 05-03-2014
    “…We analyze the spatial and velocity distributions of confirmed members in five massive clusters of galaxies at intermediate redshift (0.5 < z < 0.9) to…”
    Get full text
    Journal Article
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    Spectroscopy of Luminous Compact Blue Galaxies in Distant Clusters II. Physical Properties of dE Progenitor Candidates by Crawford, S. M, Wirth, Gregory D, Bershady, M. A, Randriamampandry, S. M

    Published 17-11-2015
    “…Luminous Compact Blue Galaxies (LCBGs) are an extreme star-bursting population of galaxies that were far more common at earlier epochs than today. Based on…”
    Get full text
    Journal Article
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    The Team Keck Redshift Survey 2: MOSFIRE Spectroscopy of the GOODS-North Field by Wirth, Gregory D, Trump, Jonathan R, Barro, Guillermo, Guo, Yicheng, Koo, David C, Liu, Fengshan, Kassis, Marc, Lyke, Jim, Rizzi, Luca, Campbell, Randy, Goodrich, Robert W, Faber, S. M

    Published 30-09-2015
    “…AJ, 150, 153 (2015) We present the Team Keck Redshift Survey 2 (TKRS2), a near-infrared spectral observing program targeting selected galaxies within the…”
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    Journal Article
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    THE BEHAVIOR OF MAGNESIUM AND SODIUM LINES AMONG GIANTS WITHIN BIMODAL-CN GLOBULAR CLUSTERS by SMITH, GRAEME H., WIRTH, GREGORY D.

    “…Echelle spectra have been obtained of Mg i and Na i absorption lines in the wavelength range 5100 Å-5600 Å for small numbers of CN-strong and CN-weak red…”
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