VIRGOFIR: a far-infrared shallow survey of the Virgo cluster

Details VIRGOFIR: a far-infrared shallow survey of the Virgo cluster VIRGOFIR: a far-infrared shallow survey of the Virgo cluster

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40161f&link_type=abstract

Spitzer Proposal ID #40161

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Scientific paper

We propose to survey approximately 30 sq. deg. of the Virgo cluster at 24 and 70 micron. The proposed observations will cover more than 800 member galaxies brighter than B=18 and will allow a multi-wavelength study of cluster galaxies already surveyed by SDSS, GALEX, and ROSAT. We will in particular compute the infrared luminosity function of the cluster down to 10^41 erg/s, studying in this way the slope of the faint end of the luminosity function. The contribution of different type of galaxies to the luminosity function will be investigated. We will also explore the association between star-formation and subclustering in Virgo, by computing the luminosity function in the several subclusters observed. Since this will be the first local cluster (z<0.02) observed with Spitzer, it will serve as a reference for any comparison with more distant clusters, as well as with other environments.

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