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Rest-Frame Mid-Infrared Detection of an Extremely Luminous Lyman Break Galaxy with the Spitzer Infrared Spectrograph (IRS)We present the first rest-frame of approximately 4 microns detection of a Lyman break galaxy. The data were obtained using the 16 microns imaging capability of the Spitzer Infrared Spectrograph. The target object, J134026.44+634433.2, is an extremely luminous Lyman break galaxy at z=2.79, first identified in Sloan Digital Sky Survey (SDSS) spectra (as reported by Bentz et al.). The source is strongly detected with a flux of 0.94 +/- 0.02 mJy. Combining Spitzer and SDSS photometry with supporting ground-based J- and K-band data, we show that the spectral energy distribution is consistent with an actively star-forming galaxy. We also detect other objects in the Spitzer field of view, including a very red mid-infrared source. We find no evidence of a strong lens among the mid-infrared sources.
Document ID
20080032491
Acquisition Source
Jet Propulsion Laboratory
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Teplitz, H. I.
(California Inst. of Tech. Pasadena, CA, United States)
Charmandaris, V.
(Cornell Univ. Ithaca, NY, United States)
Armus, L.
(California Inst. of Tech. Pasadena, CA, United States)
Appleton, P. N.
(California Inst. of Tech. Pasadena, CA, United States)
Houck, J. R.
(Cornell Univ. Ithaca, NY, United States)
Soifer, B. T.
(California Inst. of Tech. Pasadena, CA, United States)
Weedman, D.
(California Inst. of Tech. Pasadena, CA, United States)
Brandl, B. R.
(Leiden Univ. Netherlands)
vanCleve, J.
(Ball Aerospace and Technologies Corp. Boulder, CO, United States)
Grillmair, C.
(California Inst. of Tech. Pasadena, CA, United States)
Uchid, K. I.
(Cornell Univ. Ithaca, NY, United States)
Date Acquired
August 24, 2013
Publication Date
September 1, 2004
Publication Information
Publication: The Astrophysical Journal Supplement Series
Publisher: American Astronomical Society
Volume: 154
Subject Category
Astrophysics
Funding Number(s)
CONTRACT_GRANT: NAS-1407
Distribution Limits
Public
Copyright
Other
Keywords
cosmology
high redshift
galaxies

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