Stellar Metallicity of Star-forming Galaxies at Redshift z˜2

Details Stellar Metallicity of Star-forming Galaxies at Redshift z˜2 Stellar Metallicity of Star-forming Galaxies at Redshift z˜2

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..380..517h&link_type=abstract

At the Edge of the Universe: Latest Results from the Deepest Astronomical Surveys ASP Conference Series, Vol. 380, proceedings o

Astronomy and Astrophysics

Astronomy

Scientific paper

We present a measurement of stellar metallicity for star-forming galaxies at redshifts z˜2. Galaxies were observed as part of the Galaxy Mass Assembly ultradeep Spectroscopic Survey (GMASS) and targetted to have Spitzer IRAC 4.5μm magnitude m(4.5μm) < 23.02 and photometric redshift of zphot>1.4, and as possible progenitors of early-type galaxies in the nearby Universe. Metallicity was measured for 72 coadded galaxy spectra using an index defined by Rix, Pettini and collaborators for theoretical star-forming galaxy spectra.

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