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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 358819.0, MPI für Astronomie / Publikationen_mpia
COSBO: the MAMBO 1.2 millimeter imaging survey of the COSMOS field
Authors:Bertoldi, F.; Carilli, C.; Aravena, M.; Schinnerer, E.; Voss, H.; Smolcic, V.; Jahnke, K.; Scoville, N.; Blain, A.; Menten, K. M.; Lutz, D.; Brusa, M.; Taniguchi, Y.; Capak, P.; Mobasher, B.; Lilly, S.; Thompson, D.; Aussel, H.; Kreysa, E.; Hasinger, G.; Aguirre, J.; Schlaerth, J.; Koekemoer, A.
Date of Publication (YYYY-MM-DD):2007
Title of Journal:The Astrophysical Journal Supplement Series
Volume:172
Start Page:132
End Page:149
Audience:Not Specified
Abstract / Description:The inner 20×20 arcmin2 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 sigma, 11 of which are also detected at 1.4 GHz with the VLA with a flux density >24 muJy (3 sigma). 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. Based on observations with the 30 m telescope of the Institute for Radioastronomy at Millimeter Wavelengths (IRAM), which is funded by the German Max-Planck-Society, the French CNRS, and the Spanish National Geographical Institute. Also based on observations with the Very Large Arrray of the National Radio Astronomy Observatory, which is a facility of the National Science Foundation, operated under cooperative agreement by Associated University Inc. Based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc. (AURA), under NASA contract NAS 5-26555 also based on data collected at the Subaru Telescope, which is operated by the National Astronomical Observatory of Japan; XMM-Newton, an ESA science mission with instruments and contributions directly funded by ESA Member States and NASA; the European Southern Observatory, Chile; Kitt Peak National Observatory, Cerro Tololo Inter-American Observatory, and the National Optical Astronomy Observatory, which are operated by the Association of Universities for Research in Astronomy, Inc. (AURA), under cooperative agreement with the National Science Foundation; and the Canada-France-Hawaii Telescope operated by the National Research Council of Canada, Centre National de la Recherche Scientifique de France and the University of Hawaii.
Free Keywords:Submillimeter; Infrared: Galaxies; Surveys
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://adsabs.harvard.edu/abs/2007ApJS..172..132B
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