AAS 204th Meeting, June 2004
Session 43 Galaxy Surveys and Galaxy Clusters
Poster, Tuesday, June 1, 2004, 10:00am-7:00pm, Ballroom

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[43.09] Intermediate Redshift Galaxies in the Hubble Ultra Deep Field

J. E. Rhoads, B. Mobasher, N. Pirzkal, S. Malhotra, C. Xu (STScI), C. Gronwall (Pennsylvnia State University), GRAPES Team

We present an emission line catalog derived from the GRAPES slitless spectroscopy for the Hubble Ultra Deep Field. By combining these emission lines with photometric redshifts, we derive a catalog of precise redshifts for all the strong emission line galaxies in the UDF. We supplement this catalog with other galaxies having redshifts z < 1.5 based on other features in the grism spectra (primarily 4000A breaks). We then examine physical and population properties of this sample, including line luminosity functions, derived star formation rates as a function of redshift, and constraints on metallicities and on nuclear activity.

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