z 6 galaxies in the HST Ultra Deep Parallel Fields

Details z 6 galaxies in the HST Ultra Deep Parallel Fields z 6 galaxies in the HST Ultra Deep Parallel Fields

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...20313101i&link_type=abstract

American Astronomical Society Meeting 203, #131.01; Bulletin of the American Astronomical Society, Vol. 35, p.1416

Astronomy and Astrophysics

Astronomy

Scientific paper

We investigate the properties of z ˜6 galaxies in two HST Ultra Deep Field Parallel Fields using the well-established i-dropout technique. These fields were obtained as part of the UDF-IR team's NICMOS observations of the Ultra Deep Field (UDF). They extend i-dropout censuses some 1 magnitude deeper than those performed on GOODS and to within 1 magnitude of the Ultra Deep Field over nearly double the area (24 arcmin2). The flux levels enable us to probe the z ˜6 LF to faint levels (>0.15 L*), with surface brightness sensitivites sufficient to obtain good measures of the mean object size. We report on the evolution of the rest-frame continuum UV luminosity density, star formation rate, and object size over the relatively large redshift baseline z ˜2 to z ˜6, likely the deepest such census of z ˜6 galaxies until the availability of the UDF.

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