The Morphologies of BOSS Target Galaxies from COSMOS HST Imaging

Details The Morphologies of BOSS Target Galaxies from COSMOS HST Imaging The Morphologies of BOSS Target Galaxies from COSMOS HST Imaging

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21832809m&link_type=abstract

American Astronomical Society, AAS Meeting #218, #328.09; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

The SDSS-III Baryon Oscillation Spectrocopic Survey (BOSS) will measure redshifts for 1.4 million massive galaxies between 0.2We show that roughly 70% of BOSS targets have early type morphologies in COSMOS HST imaging (in both the CMASS, and LOZ subsamples). Unresolved multiples (which probably represent ongoing dry mergers) are fairly common (about 15% of early types). The remaining 30% of BOSS target galaxies exhibit late type morphologies -- these comprise both edge-on dust reddened disks, and passive red disks.
KLM acknowledges funding from a 2010 Leverhulme Trust Early Career Fellowship and from SEPnet (www.sepnet.ac.uk).

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