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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[43.06] Spectroscopic Confirmation of faint galaxies at z=4-7 in the Hubble Ultra Deep Field

S. Malhotra, J. Rhoads, N. Pirzkal, C. Xu (STScI), H.J. Yan (IPAC), H. Ferguson, M. Stiavelli (STScI), R. Windhorst (Arizona State University), GRAPES Collaboration

We report on spectroscopic confirmation of redshift 4 to 7 galaxies based on the deep unbiased spectroscopy with the ACS grism. Unbiased spectroscopy was obtained for the Hubble Ultra Deep Field obtained by the GRAPES project (Xu et al. this meeting).

We use our the spectroscopically confirmed sample to constrain the luminosity functions, star formation rate density, and ionizing photon budget for galaxies at redshift z=4-7, near the end of the reionization epoch.

If you would like more information about this abstract, please follow the link to www.stsci.edu/~san/Grapes. This link was provided by the author. When you follow it, you will leave the Web site for this meeting; to return, you should use the Back comand on your browser.

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