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    The Correlation between Halo Mass and Stellar Mass for the Most Massive Galaxies in the Universe

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    Tinker_2017_ApJ_839_121.pdf
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    Author
    Tinker, Jeremy L.
    Brownstein, Joel R. cc
    Guo, Hong cc
    Leauthaud, Alexie
    Maraston, Claudia
    Masters, Karen L. cc
    Montero-Dorta, Antonio D.
    Thomas, Daniel
    Tojeiro, Rita
    Weiner, Benjamin cc
    Zehavi, Idit
    Olmstead, Matthew D.
    Show allShow less
    Affiliation
    Univ Arizona, Steward Observ
    Issue Date
    2017-04-24
    Keywords
    cosmology: observations
    galaxies: abundances
    galaxies: evolution
    galaxies: halos
    galaxies: luminosity function
    mass function
    
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    Show full item record
    Publisher
    IOP PUBLISHING LTD
    Citation
    The Correlation between Halo Mass and Stellar Mass for the Most Massive Galaxies in the Universe 2017, 839 (2):121 The Astrophysical Journal
    Journal
    The Astrophysical Journal
    Rights
    © 2017. The American Astronomical Society. All rights reserved.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    We present measurements of the clustering of galaxies as a function of their stellar mass in the Baryon Oscillation Spectroscopic Survey. We compare the clustering of samples using 12 different methods for estimating stellar mass, isolating the method that has the smallest scatter at fixed halo mass. In this test, the stellar mass estimate with the smallest errors yields the highest amplitude of clustering at fixed number density. We find that the PCA stellar masses of Chen et al. clearly have the tightest correlation with halo mass. The PCA masses use the full galaxy spectrum, differentiating them from other estimates that only use optical photometric information. Using the PCA masses, we measure the large-scale bias as a function of M-* for galaxies with logM(*) >= 11.4, correcting for incompleteness at the low-mass end of our measurements. Using the abundance matching ansatz to connect dark matter halo mass to stellar mass, we construct theoretical models of b(M-*) that match the same stellar mass function but have different amounts of scatter in stellar mass at fixed halo mass, sigma(logM*). Using this approach, we find sigma(logM*) = 0.18(+0.01) (-0.02). This value includes both intrinsic scatter as well as random errors in the stellar masses. To partially remove the latter, we use repeated spectra to estimate statistical errors on the stellar masses, yielding an upper limit to the intrinsic scatter of 0.16 dex.
    ISSN
    1538-4357
    DOI
    10.3847/1538-4357/aa6845
    Version
    Final published version
    Sponsors
    NSF [AST-1612085]; Alfred P. Sloan Foundation; U.S. Department of Energy Office of Science; Brazilian Participation Group; Carnegie Institution for Science; Carnegie Mellon University; Chilean Participation Group; French Participation Group; Harvard-Smithsonian Center for Astrophysics; Instituto de Astrofisica de Canarias; Johns Hopkins University; Kavli Institute for the Physics and Mathematics of the Universe (IPMU)/University of Tokyo; Lawrence Berkeley National Laboratory; Leibniz Institut fur Astrophysik Potsdam (AIP); Max-Planck-Institut fur Astronomie (MPIA Heidelberg); Max-Planck-Institut fur Astrophysik (MPA Garching); Max-Planck-Institut fur Extraterrestrische Physik (MPE); National Astronomical Observatory of China; New Mexico State University; New York University; University of Notre Dame; Observatario Nacional/MCTI; Ohio State University; Pennsylvania State University; Shanghai Astronomical Observatory; United Kingdom Participation Group; Universidad Nacional Autonoma de Mexico; University of Arizona; University of Colorado Boulder; University of Oxford; University of Portsmouth; University of Utah; University of Virginia; University of Washington; University of Wisconsin; Vanderbilt University; Yale University
    Additional Links
    http://stacks.iop.org/0004-637X/839/i=2/a=121?key=crossref.38e86414243016adfe5f4f0dba1d44a8
    ae974a485f413a2113503eed53cd6c53
    10.3847/1538-4357/aa6845
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