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    Calibration of Ultraviolet, Mid-infrared, and Radio Star Formation Rate Indicators

    74604.pdf (901.0Kb)
    Access Status
    Open access
    Authors
    Brown, M.
    Moustakas, J.
    Kennicutt, R.
    Bonne, N.
    Intema, Hubertus
    De Gasperin, F.
    Boquien, M.
    Jarrett, T.
    Cluver, M.
    Smith, J.
    Da Cunha, E.
    Imanishi, M.
    Armus, L.
    Brandl, B.
    Peek, J.
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Brown, M. and Moustakas, J. and Kennicutt, R. and Bonne, N. and Intema, H. and De Gasperin, F. and Boquien, M. et al. 2017. Calibration of Ultraviolet, Mid-infrared, and Radio Star Formation Rate Indicators. Astrophysical Journal. 847 (2): Article ID 136.
    Source Title
    Astrophysical Journal
    DOI
    10.3847/1538-4357/aa8ad2
    ISSN
    0004-637X
    Remarks

    This is an author-created, un-copy edited version of an article accepted for publication in Astrophysical Journal. The publisher is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at 10.3847/1538-4357/aa8ad2.

    URI
    http://hdl.handle.net/20.500.11937/74319
    Collection
    • Curtin Research Publications
    Abstract

    We present calibrations for star formation rate (SFR) indicators in the ultraviolet, mid-infrared, and radiocontinuumbands, including one of the first direct calibrations of 150 MHz as an SFR indicator. Our calibrationsutilize 66 nearby star-forming galaxies with Balmer-decrement-corrected Ha luminosities, which span five ordersof magnitude in SFR and have absolute magnitudes of -24 < Mr < -12. Most of our photometry andspectrophotometry are measured from the same region of each galaxy, and our spectrophotometry has beenvalidated with SDSS photometry, so our random and systematic errors are small relative to the intrinsic scatter seenin SFR indicator calibrations. We find that the Wide-field Infrared Space Explorer W4 (22.8 µm), Spitzer 24 µm,and 1.4 GHz bands have tight correlations with the Balmer-decrement-corrected Ha luminosity, with a scatter ofonly 0.2 dex. Our calibrations are comparable to those from the prior literature for L* galaxies, but for dwarfgalaxies, our calibrations can give SFRs that are far greater than those derived from most previous literature.

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