[163.04] The near- and mid-infrared view of massive galaxies at z>2: stars, star-formation, and AGN

AAS 205th Meeting, 9-13 January 2005
Session 163 New Results from the Great Observatories Origins Deep Survey
Special Session, Thursday, January 13, 2005, 2:00-3:30pm, Town and Country

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[163.04] The near- and mid-infrared view of massive galaxies at z>2: stars, star-formation, and AGN

L.A. Moustakas (STScI), GOODS Team

The Great Observatories Origins Deep Survey encompasses observations from X-ray energies to the ultraviolet through the mid-infrared. Through infrared-based color-selection techniques, bolstered by ground- and space-based spectroscopy, we have identified usefully-large samples of galaxies at redshifts above two. These are complementary to ultraviolet-selected Lyman-Break Galaxy samples. By using all the information available on the spectral energy distributions of these galaxies, we calculate their stellar masses; estimate their star formation rates (including the effects of dust); and by X-ray stacking, explore the possibility that there may be significant AGN activity.

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