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    AEGIS: Infrared Spectral Energy Distributions of MIPS 70 μm-selected Sources

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    Wilson_2007_AJ_660(1)L73.pdf (74.81Kb)
    Issue Date
    2007-05-01
    Author
    Symeonidis, M.
    Rigopoulou, D.
    Huang, J. S.
    Davis, M.
    Ashby, M. L. N.
    Barmby, P.
    Egami, E.
    Fazio, G. G.
    Le Floc'h, E.
    Rieke, G. H.
    Willner, S. P.
    Wilson, Graham Wallace
    Publisher
    American Astronomical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    We present 0.5-160 μm spectral energy distributions (SEDs) of galaxies, detected at 70 μm with the Multiband Imaging Photometer for Spitzer (MIPS), using broadband imaging data from Spitzer and ground-based telescopes. Spectroscopic redshifts, in the range 0.2 ≤ z ≤ 1.5, have been measured as part of the Deep Extragalactic Evolutionary Probe 2 (DEEP2) project. On the basis of the SEDs, we explore the nature and physical properties of the sources. Using the optical spectra, we derive Hβ and [O II]-based star formation rates (SFRs) that are 10-100 times lower than SFR estimates based on IR and radio. The median offset in SFR between optical and IR is reduced by a factor of ~3 when we apply a typical extinction correction. We investigate mid- to far-infrared correlations for low-redshift (>0.5) and high-redshift (0.5 < z < 1.2) bins. Using this unique "far-infrared"-selected sample, we derive an empirical mid- to far-infrared relationship that can be used to estimate the infrared energy budget of galaxies in the high-redshift universe. Our sample can be used as a template to translate far-infrared luminosities into bolometric luminosities for high-redshift objects.
    Description
    This is the publisher's version, also available electronically from http://iopscience.iop.org/1538-4357/660/1/L73/.
    URI
    http://hdl.handle.net/1808/17707
    DOI
    https://doi.org/10.1086/517928
    Collections
    • Physics & Astronomy Scholarly Works [1711]
    Citation
    Symeonidis, M. et al. (2007). "AEGIS: Infrared Spectral Energy Distributions of MIPS 70 μm-selected Sources." Astrophysical Journal Letters, 660(1):L73-L76. http://www.dx.doi.org/10.1086/517928.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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