Galaxy Evolution at Near-Infrared Wavelengths

Details Galaxy Evolution at Near-Infrared Wavelengths Galaxy Evolution at Near-Infrared Wavelengths

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.6503m&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #65.03; Bulletin of the American Astronomical Society, Vol. 32, p.1509

Astronomy and Astrophysics

Astronomy

Scientific paper

The study of galaxy evolution in the near-infrared (NIR) has become extremely popular over the last decade, at least in part due to the fact that galaxies appear considerably more boring in the NIR than they do at visible wavelengths. By minimizing the complications caused by recent star formation and dust, it is possible to select relatively unbiased samples of galaxies to evaluate models of galaxy formation and evolution. I present results from NIR imaging of the Deep Multicolor Survey, and in particular the nine Extremely Red Objects in the survey. Colors and photometric redshifts show that these objects are a mix of dusty starbursts and old elliptical galaxies at z>0.8. The high surface density of these galaxies poses a challenge to current models of hierarchical galaxy formation.

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