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Mid-IR Spectroscopy of High-z SMGs: First Results

Menéndez-Delmestre, Karín and Blain, Andrew W. and Alexander, Dave M. and Smail, Ian and Armus, Lee and Chapman, Scott C. and Frayer, Dave and Ivison, Rob J. and Teplitz, Harry (2007) Mid-IR Spectroscopy of High-z SMGs: First Results. In: Cosmic Frontiers. ASP Conference Series. No.379. Astronomical Society of the Pacific , San Francisco, CA, pp. 290-291. ISBN 978-1-58381-320-1.

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We present mid-infrared spectra of 5 submmillimeter galaxies at redshifts z = 0.65 − 2.38 taken with the Infrared Spectrograph aboard the Spitzer Space Telescope. Four of these sources have strong PAH features and the strength of these features are consistent with these galaxies being dominated by star formation. The other source displays a Mrk 231-type broad emission feature at restframe ~8 μm that does not conform to the typical 7.7/8.6 μm PAH complex in starburst galaxies, suggesting a more substantial AGN contribution.

Item Type:Book Section
Related URLs:
URLURL TypeDescription
Menéndez-Delmestre, Karín0000-0003-3153-5123
Blain, Andrew W.0000-0001-7489-5167
Alexander, Dave M.0000-0002-5896-6313
Smail, Ian0000-0003-3037-257X
Armus, Lee0000-0003-3498-2973
Ivison, Rob J.0000-0001-5118-1313
Teplitz, Harry0000-0002-7064-5424
Additional Information:© 2007 Astronomical Society of the Pacific.
Group:Infrared Processing and Analysis Center (IPAC)
Series Name:ASP Conference Series
Issue or Number:379
Record Number:CaltechAUTHORS:20100923-152606685
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:20112
Deposited By: Jason Perez
Deposited On:24 Sep 2010 17:11
Last Modified:09 Mar 2020 13:19

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