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Balancing the Energy Budget between Star-Formation and AGN in High Redshift Infrared Luminous Galaxies
E. J. Murphy, R. -R. Chary, D. M. Alexander +5
(abridged) We present deep Spitzer mid-infrared spectroscopy, along with 16, 24, 70, and 850um photometry, for 22 galaxies located in GOODS-N. The sample spans a redshift range of…
Spitzer Observations of the z=2.73 Lensed Lyman Break Galaxy, MS1512-cB58
Brian Siana, Harry I. Teplitz, Ranga-Ram Chary +2
We present Spitzer infrared (IR) photometry and spectroscopy of the lensed Lyman break galaxy (LBG), MS1512-cB58 at z=2.73. The large (factor ~30) magnification allows for the most…
A Lyman Break Galaxy Candidate at z~9
Alaina L. Henry, Matthew A. Malkan, James W. Colbert +3
We report the discovery of a z~9 Lyman Break Galaxy (LBG) candidate, selected from the NICMOS Parallel Imaging Survey as a J-dropout with J110 - H160 = 1.7. Spitzer/IRAC photometry…
Mid-Infrared Spectral Diagnosis of Submillimeter Galaxies
Alexandra Pope, Ranga-Ram Chary, David M. Alexander +6
We present deep mid-infrared spectroscopy with the Spitzer Space Telescope of 13 submillimeter galaxies (SMGs) in the Great Observatories Origins Deep Survey North (GOODS-N) field.…
Spitzer/IRS Observations of Seyfert 1.8s and 1.9s: A Comparison with Seyfert 1s and Seyfert 2s
R. P. Deo, D. M. Crenshaw, S. B. Kraemer +4
We present Spitzer Space Telescope mid-infrared spectra of 12 Seyfert 1.8 and 1.9 galaxies over the 5-38 um region. We compare the spectral characteristics of this sample to those…
New Constraints on the Lyman Continuum Escape Fraction at z~1.3
Brian Siana, Harry I. Teplitz, James Colbert +8
We examine deep far-ultraviolet (1600 Angstrom) imaging of the Hubble Deep Field-North (HDFN) and the Hubble Ultra Deep Field (HUDF) to search for leaking Lyman continuum radiation…