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Mid-infrared selection of quasar-2s in Spitzer's First Look Survey
M. Lacy, G. Canalizo, S. Rawlings +6
We present early results from the spectroscopic follow-up of a sample of candidate obscured AGN selected in the mid-infrared from the Spitzer First Look Survey. Our selection allow…
The First Measurements of Galaxy Clustering from IRAC Data of the Spitzer First Look Survey
Fan Fang, David L. Shupe, Gillian Wilson +19
We present the first results of the angular auto-correlation function of the galaxies detected by the Infrared Array Camera (IRAC) instrument in the First Look Survey (FLS) of the…
Infrared Properties of Radio-Selected Submillimeter Galaxies in the Spitzer First Look Survey Verification Field
D. T. Frayer, S. C. Chapman, L. Yan +20
We report on submillimeter and infrared observations of 28 radio-selected galaxies in the Spitzer First Look Survey Verification field (FLSV). All of the radio-selected galaxies th…
Spitzer-IRS Spectroscopy of the Prototypical Starburst Galaxy NGC7714
B. R. Brandl, D. Devost, S. J. U. Higdon +11
We present observations of the starburst galaxy NGC 7714 with the Infrared Spectrograph IRS on board the Spitzer Space Telescope. The spectra yield a wealth of ionic and molecular…
First mid-infrared spectrum of a faint high-z galaxy: Observations of CFRS 14.1157 with the Infrared Spectrograph on the Spitzer Space Telescope
S. J. U. Higdon, D. Weedman, J. L. Higdon +7
The unprecedented sensitivity of the Infrared Spectrograph on the Spitzer Space Telescope allows for the first time the measurement of mid-infrared spectra from 14 to 38 microns of…
Rest-Frame MIR Detection of an Extremely Luminous Lyman Break Galaxy with the Spitzer IRS
H. I. Teplitz, V. Charmandaris, L. Armus +9
We present the first rest-frame ~4 micron detection of a Lyman break galaxy. The data were obtained using the 16 micron imaging capability of the Spitzer Infrared Spectrograph. The…
Fire and Ice: IRS Mid-IR Spectroscopy of IRAS F00183--7111
H. W. W. Spoon, L. Armus, J. Cami +8
We report the detection of strong absorption and weak emission features in the 4--27 micron Spitzer-IRS spectrum of the distant ultraluminous infrared galaxy (ULIRG) IRAS F00183--7…
Spitzer-IRS mapping of the inner kpc of NGC 253: Spatial distribution of the Ne III, PAH 11.3 microns and H2 (0-0) S(1) lines and a gradient in the Ne III/Ne II line ratio
Daniel Devost, Bernhard R. Brandl, L. Armus +6
We present our early results of the mapping of the nucleus of the starburst galaxy NGC 253 and its immediate surroundings using the Infrared Spectrograph onboard the Spitzer Space…
The Infrared Spectrograph on the Spitzer Space Telescope
J. R. Houck, the Spitzer/IRS team
The Infrared Spectrograph (IRS) is one of three science instruments on the Spitzer Space Telescope. The IRS comprises four separate spectrograph modules covering the wavelength ran…
The Extraordinary Mid-infrared Spectrum of the Blue Compact Dwarf Galaxy SBS0335-052
J. R. Houck, V. Charmandaris, B. R. Brandl +8
SBS0335-052 is a blue compact dwarf galaxy (BCD) with one of the lowest known metallicities, ZZ$_{\sun}$/41, making it a local example of how primordial starburst galaxies an…
Imaging of High Redshift Submillimeter Galaxies at 16 and 22microns with the Spitzer/IRS: Revealing a population at z>2.5
V. Charmandaris, K. I. Uchida, D. Weedman +10
We present broad band imaging observations obtained with the ``peak up'' imagers of the Spitzer Space Telescope Infrared Spectrograph (IRS) at wavelengths of 16micron and 22micron…
The Far- and Mid-Infrared/Radio Correlations in the Spitzer Extragalactic First Look Survey
P. N. Appleton, D. T. Fadda, F. R. Marleau +18
Using the SPITZER SPACE TELESCOPE and the VLA, we present the first DIRECT evidence that the well-known far-infrared/radio correlation is valid to cosmologically significant redshi…
Characterization of Extragalactic 24micron Sources in the Spitzer First Look Survey
Lin Yan, G. Helou, D. Fadda +20
In this Letter, we present the initial characterization of extragalactic 24um sources in the Spitzer First Look Survey (FLS) by examining their counterparts at 8um and R-band. The…
Extragalactic Source Counts at 24 Microns in the Spitzer First Look Survey
Francine R. Marleau, D. Fadda, L. J. Storrie-Lombardi +18
We present the Spitzer MIPS 24 micron source counts in the Extragalactic First Look Survey main, verification and ELAIS-N1 fields. Spitzer's increased sensitivity and efficiency in…
Spitzer 24micron Observations of Optical/Near-IR Selected Extremely Red Galaxies: Evidence for Assembly of Massive Galaxies at z~1-2 ?
Lin Yan, P. Choi, D. Fadda +18
We carried out the direct measurement of the fraction of dusty sources in a sample of extremely red galaxies with (R - Ks) > 5.3mag and Ks < 20.2mag, using 24um data from the Spitz…
Obscured and unobscured active galactic nuclei in the Spitzer Space Telescope First Look Survey
M. Lacy, L. J. Storrie-Lombardi, A. Sajina +18
Selection of active galactic nuclei (AGN) in the infrared allows the discovery of AGN whose optical emission is extinguished by dust. In this paper, we use the Spitzer Space Telesc…