The first galaxies: structure and stellar populations

Details The first galaxies: structure and stellar populations The first galaxies: structure and stellar populations

2000-04-03

arxiv.org/abs/astro-ph/0004028v1

Astronomy and Astrophysics

Astrophysics

To appear in the Philosophical Transactions of the Royal Society, Series A. 19 pages with 9 encapsulated figures (11 postscrip

Scientific paper

10.1098/rsta.2000.0626

The Hubble Deep Fields continue to be a valuable resource for studying the distant universe, particularly at z>2 where their comoving volume becomes large enough to encompass several hundred L* galaxies or their progenitors. Here I present recent results from a near-infrared imaging survey of the HDF-North with NICMOS, which provides structural and photometric information in the optical rest frame (4000-5500A) for hundreds of ordinary galaxies at 2>5. Lyman break galaxies at 212. The space density of UV-bright galaxies in the HDF appears to thin out toward larger redshifts, although surface brightness selection effects may play an important role.

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