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Infrared Classification and Luminosities For Dusty AGN and the Most Luminous Quasars
Daniel Weedman, Lusine Sargsyan, Vianney Lebouteiller +2
Mid-infrared spectroscopic measurements from the Infrared Spectrometer on Spitzer (IRS) are given for 125 hard X-ray AGN (14-195 keV) from the Swift Burst Alert Telescope sample an…
[CII] 158 micron Luminosities and Star Formation Rate in Dusty Starbursts and AGN
L. Sargsyan, V. Lebouteiller, D. Weedman +8
Results are presented for [CII] 158 micron line fluxes observed with the Herschel PACS instrument in 112 sources with both starburst and AGN classifications, of which 102 sources h…
Infrared Spectra and Spectral Energy Distributions for Dusty Starbursts and AGN
Lusine Sargsyan, Daniel Weedman, Vianney Lebouteiller +4
We present spectroscopic results for all galaxies observed with the Spitzer Infrared Spectrograph (IRS) which also have total infrared fluxes f(ir) measured with the Infrared Astro…
The extraordinary mid-infrared spectral properties of FeLoBAL Quasars
D. Farrah, T. Urrutia, M. Lacy +7
We present mid-infrared spectra of six FeLoBAL QSOs at 1<z<1.8, taken with the Spitzer space telescope. The spectra span a range of shapes, from hot dust dominated AGN with silicat…
From IRAS to IRS: Evolution of the Most Luminous Galaxies in the Universe
James R. Houck, Daniel W. Weedman
We summarize observations with the Spitzer Infrared Spectrograph (IRS) of 571 starbursts (strong PAH emission features), 128 obscured AGN (strong silicate absorption), and 39 unobs…
Comparing Ultraviolet and Infrared-Selected Starburst Galaxies in Dust Obscuration and Luminosity
Lusine A. Sargsyan, Daniel W. Weedman, James R. Houck
We present samples of starburst galaxies that represent the extremes discovered with infrared and ultraviolet observations, including 25 Markarian galaxies, 23 ultraviolet luminous…
Probing the Excitation of Extreme Starbursts: High Resolution Mid-IR Spectroscopy of Blue Compact Dwarfs
Lei Hao, Yanling Wu, V. Charmandaris +5
We present an analysis of the mid-infrared emission lines for a sample of 12 low metallicity Blue Compact Dwarf (BCD) galaxies based on high resolution observations obtained with I…
A Spitzer high resolution mid-infrared spectral atlas of starburst galaxies
J. Bernard-Salas, H. W. W. Spoon, V. Charmandaris +10
We present an atlas of Spitzer/IRS high resolution (R~600) 10-37um spectra for 24 well known starburst galaxies. The spectra are dominated by fine-structure lines, molecular hydrog…
Strong PAH Emission from z~2 ULIRGs
Vandana Desai, B. T. Soifer, Arjun Dey +15
Using the Infrared Spectrograph on board the Spitzer Space Telescope, we present low-resolution (64 < lambda / dlambda < 124), mid-infrared (20-38 micron) spectra of 23 high-redshi…
An Evolutionary Paradigm for Dusty Active Galaxies at Low Redshift
D. Farrah, B. Connolly, N. Connolly +7
We apply methods from Bayesian inferencing and graph theory to a dataset of 102 mid-infrared spectra, and archival data from the optical to the millimeter, to construct an evolutio…
Spitzer-IRS Study of the Antennae Galaxies NGC 4038/39
B. R. Brandl, L. Snijders, M. den Brok +8
Using the Infrared Spectrograph on the Spitzer Space Telescope, we observed the Antennae galaxies obtaining spectral maps of the entire central region and high signal-to-noise 5-38…
High Redshift Dust Obscured Galaxies, A Morphology-SED Connection Revealed by Keck Adaptive Optics
J. Melbourne, S. Bussman, K. Brand +7
A simple optical to mid-IR color selection, R-[24] > 14, i.e. f_nu(24) / f_nu(R) > 1000, identifies highly dust obscured galaxies (DOGs) with typical redshifts of z~2 +/- 0.5. Extr…
Evolution of the Most Luminous Dusty Galaxies
Daniel W. Weedman, James R. Houck
A summary of mid-infrared continuum luminosities arising from dust is given for very luminous galaxies, Lir > 10^12 solar luminosities, with 0.005 < z < 3.2 containing active galac…
Mid-Infrared Spectroscopy of Optically Faint Extragalactic 70 micron Sources
D. Farrah, D. Weedman, C. Lonsdale +4
We present mid-infrared spectra of sixteen optically faint sources with 70 micron fluxes in the range 19-38mJy. The sample spans a redshift range of 0.35<z<1.9, with most lying bet…