Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21111106b&link_type=abstract
American Astronomical Society, AAS Meeting #211, #111.06; Bulletin of the American Astronomical Society, Vol. 39, p.940
Astronomy and Astrophysics
Astronomy
Scientific paper
We study the effect of inhomogeneous reionization on the spectral energy distributions of massive galaxies. Most previous work on the nature of reionization feedback on galaxies focused on the changes, either homogeneous or inhomogeneous, in the low mass end of galaxy mass function. In this paper we analyze how changes in the minimum mass of galaxy formation induced by reionization alter the progenitor star formation histories and subsequently affect the spectra of massive galaxies. In particular we focus on how the modified star formation histories make the mass-metallicity relationship spatially inhomogeneous. Selecting galaxies based on their spectral features or metallicity will change the shape of the observed galaxy power spectrum with respect to the underlying dark matter spectrum. We discuss the detection of this effect with a large sample of galaxies, such as SDSS.
Babich Daniel
Benson Andrew
Stark Daniel
Zahn Oliver
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