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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 421329.0, MPI für Astronomie / Publikationen_mpia
Interferometric detections of GOODS 850-5 at 1 mm and 1.4 GHz
Authors:Dannerbauer, H.; Walter, F.; Morrison, G.
Date of Publication (YYYY-MM-DD):2008
Title of Journal:The Astrophysical Journal
Journal Abbrev.:ApJ
Start Page:L127
End Page:L130
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We have obtained a position (at subarcsecond accuracy) of the submillimeter bright source GOODS 850-5 (also known as GN 10) in the GOODS-North field using the IRAM Plateau de Bure interferometer at 1.25 mm wavelengths (MM J123633+6214.1; flux density: S1.25mm=5.0+/-1.0 mJy). This source has no optical counterpart in deep ACS imaging down to a limiting magnitude of i775=28.4 mag and its position is coincident with the position found in recent submillimeter mapping obtained at the SMA. Using deep VLA imaging at 20 cm, we find a radio source (S20cm=34.4+/-4.2 muJy) at the same position that is significantly brighter than reported by Wang and coworkers (but in agreement with a 3 sigma detection previously reported by Pope and coworkers). The source is detected by Spitzer in IRAC as well as at 24 mum. We apply different photometric redshift estimators using measurements of the dusty, mid/far-infrared part of the SED and derive a redshift z~4. Given our detection in the millimeter and radio we consider a significantly higher redshift (e.g., z~6 recently proposed by Wang and coworkers) unlikely. MM J123633+6214.1 alias GOODS 850-5 nevertheless constitutes a bright representative of the high-redshift tail of the submillimeter galaxy population that may contribute a significant fraction to the (sub)millimeter background. Based on observations carried out with the IRAM Plateau de Bure Interferometer. IRAM is supported by INSU/CNRS (France), MPG (Germany), and IGN (Spain). The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.
Free Keywords:Galaxies: Formation; Galaxies: High-Redshift; galaxies: individual (MM J123633+6214.1); Galaxies: Starburst; Infrared: Galaxies; Submillimeter
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://adsabs.harvard.edu/abs/2008ApJ...673L.127D [ID No:1]
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