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COSBO: The MAMBO 1.2 Millimeter Imaging Survey of the COSMOS Field

Bertoldi, F. and Carilli, C. L. and Aravena, M. and Schinnerer, E. and Voss, H. and Smolčić, V. and Jahnke, K. and Scoville, N. and Blain, A. and Menten, K. M. and Lutz, D. and Brusa, M. and Taniguchi, Y. and Capak, P. and Mobasher, B. and Lilly, S. and Thompson, D. and Aussel, H. and Kreysa, E. and Hasinger, G. and Aguirre, J. and Schlaerth, J. and Koekemoer, A. (2007) COSBO: The MAMBO 1.2 Millimeter Imaging Survey of the COSMOS Field. Astrophysical Journal Supplement Series, 172 (1). pp. 132-149. ISSN 0067-0049. doi:10.1086/520511.

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The inner 20 × 20 arcmin^2 of the COSMOS field was imaged at 250 GHz (1.2 mm) to an rms noise level of ~1 mJy per 11" beam using the Max-Planck Millimeter Bolometer Array (MAMBO-2) at the IRAM 30 m telescope. We detect 15 sources at significance between 4 and 7 σ, 11 of which are also detected at 1.4 GHz with the VLA with a flux density >24 μJy (3 σ). We identify 12 more lower significance mm sources based on their association with faint radio sources. We present the multifrequency identifications of the MAMBO sources, including VLA radio flux densities, optical and near-infrared identifications, as well as the XMM-Newton X-ray detection for two of the mm sources. We compare radio and optical photometric redshifts and briefly describe the host galaxy morphologies. The colors of the identified optical counterparts suggest most of them to be high-redshift (z ~ 2-3) star-forming galaxies. At least three sources appear lensed by a foreground galaxy. We highlight some MAMBO sources that do not show obvious radio counterparts. These sources could be dusty starburst galaxies at redshifts >3.5. The 250 GHz source areal density in the COSMOS field is comparable to that seen in other deep mm fields.

Item Type:Article
Related URLs:
URLURL TypeDescription DOIArticle
Bertoldi, F.0000-0002-1707-1775
Carilli, C. L.0000-0001-6647-3861
Aravena, M.0000-0002-6290-3198
Schinnerer, E.0000-0002-3933-7677
Smolčić, V.0000-0002-3893-8614
Jahnke, K.0000-0003-3804-2137
Scoville, N.0000-0002-0438-3323
Blain, A.0000-0001-7489-5167
Menten, K. M.0000-0001-6459-0669
Lutz, D.0000-0003-0291-9582
Brusa, M.0000-0002-5059-6848
Taniguchi, Y.0000-0003-2247-3741
Capak, P.0000-0003-3578-6843
Lilly, S.0000-0002-6423-3597
Aussel, H.0000-0002-1371-5705
Hasinger, G.0000-0002-0797-0646
Aguirre, J.0000-0002-4810-666X
Koekemoer, A.0000-0002-6610-2048
Additional Information:© 2007 The American Astronomical Society. Received 2006 September 22; accepted 2007 April 25. The research of the Bonn-Heidelberg group was supported through a grant from the Deutsche Forschungsgemeischaft within the focus program SPP1177. K. J. acknowledges support by the German DFG under grant SCHI 536/3-1. We gratefully acknowledge the contributions of the entire COSMOS collaboration consisting of more than 70 scientists. More information on the COSMOS survey is available at We thank Mara Salvato and the anonymous referee for helpful comments. Facilities: IRAM (30 m), HST (ACS), VLA, Subaru, XMM, CSO (Bolocam), KPNO (FLAMINGOS)
Group:COSMOS, Infrared Processing and Analysis Center (IPAC)
Funding AgencyGrant Number
Deutsche Forschungsgemeischaft (DFG)SCHI 536/3-1
Subject Keywords:submillimeter; infrared : galaxies; surveys
Issue or Number:1
Record Number:CaltechAUTHORS:20091019-113011828
Persistent URL:
Official Citation:COSBO: The MAMBO 1.2 Millimeter Imaging Survey of the COSMOS Field F. Bertoldi, C. Carilli, M. Aravena, E. Schinnerer, H. Voss, V. Smolcic, K. Jahnke, N. Scoville, A. Blain, K. M. Menten, D. Lutz, M. Brusa, Y. Taniguchi, P. Capak, B. Mobasher, S. Lilly, D. Thompson, H. Aussel, E. Kreysa, G. Hasinger, J. Aguirre, J. Schlaerth, and A. Koekemoer 2007 ApJS 172 132-149 doi: 10.1086/520511
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:16381
Deposited By: Tony Diaz
Deposited On:26 Oct 2009 18:26
Last Modified:08 Nov 2021 23:26

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