High Redshift Candidates and the Nature of Small Galaxies in the Hubble Deep Field

Details High Redshift Candidates and the Nature of Small Galaxies in the Hubble Deep Field High Redshift Candidates and the Nature of Small Galaxies in the Hubble Deep Field

2003-03-27

arxiv.org/abs/astro-ph/0303618v1

Astrophys.J. 591 (2003) 623

Astronomy and Astrophysics

Astrophysics

44 pages, 12 figures, to appear in ApJ v591, July 10, 2003

Scientific paper

10.1086/375394

We present results on two related topics: 1. A discussion of high redshift candidates (z>4.5), and 2. A study of very small galaxies at intermediate redshifts, both sets being detected in the region of the northern Hubble Deep Field covered by deep NICMOS observations at 1.6 and 1.1 microns. The high redshift candidates are just those with redshift z>4.5 as given in the recent catalog of Thompson, Weymann and Storrie-Lombardi, while the ``small galaxy'' sample is defined to be those objects with isophotal area <= 0.2 squ. arcsec and with photometric redshifts 1

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