Near-IR Colors Of Distant Field Galaxies

Details Near-IR Colors Of Distant Field Galaxies Near-IR Colors Of Distant Field Galaxies

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...18510616e&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #106.16; Bulletin of the American Astronomical Society, Vol. 26, p.1496

Astronomy and Astrophysics

Astronomy

Scientific paper

We have obtained deep R and near-IR J and K band images of 50 arcmin(2) of high latitude sky. These images taken with the KPNO 4m reach limits of J=22.5 and K=21. The J-K colors of faint field galaxies are discussed. In particular, the J-K colors appears to be a useful discriminant for identifying high redshift galaxies (z>1.5) with spectral energy distributions similar to those of weakly evolved early type galaxies. Such galaxies appear very red in J-K because the 4000 Angstroms break moves through the J band. The numbers and luminosities of such objects will be discussed and compared to galaxy evolution models.

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