Passively Evolving Galaxy Population as Seen by GOODS

Details Passively Evolving Galaxy Population as Seen by GOODS Passively Evolving Galaxy Population as Seen by GOODS

Jan 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..966...71y&link_type=abstract

RELATIVISTIC ASTROPHYSICS: 4th Italian-Sino Workshop. AIP Conference Proceedings, Volume 966, pp. 71-76 (2008).

Astronomy and Astrophysics

Astrophysics

3

Astronomical Observations, Star Formation, Astronomical And Space-Research Instrumentation, Galaxy Clusters

Scientific paper

Using the deep Infrared Array Camera (IRAC) observations of the Great Observatories Origins Deep Survey (GOODS) Spitzer Legacy Program, we construct a large sample of IRAC-selected Extremely Red Objects (IERO Yan et al. 2004, hereafter Y04). Such IEROs are luminous in IRAC passbands, but are very faint or even invisible in optical. Our previous work in the HUDF shows that such a population is likely dominated by very massive, passively-evolving, very old galaxies at z 2.4. This current study will extend to a much wider field, and will investigate 1) the properties of passively-evolving galaxies; 2) the contribution of IERO to the global stellar mass density; and 3) their progenitors and descendants.

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