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          Institute: MPI für Radioastronomie     Collection: Publikationen des MPI für Radioastronomie     Display Documents

ID: 11188.0, MPI für Radioastronomie / Publikationen des MPI für Radioastronomie
GRB 010222 : a burst within a starburst
Authors:Frail, D. A.; Bertoldi, F.; Moriarty-Schieven, G. H.; Berger, E.; Price, P. A.; Bloom, J. S.; Sari, R.; Kulkarni, S. R.; Gerardy, C. L.; Reichart, D. E.; Djorgovski, S. G.; Galama, T. J.; Harrison, F. A.; Walter, F.; Shepherd, D. S.; Halpern, J.; Peck, A. B.; Menten, K. M.; Yost, S. A.; Fox, D. W.
Date of Publication (YYYY-MM-DD):2002-02-01
Title of Journal:Astrophysical Journal
Journal Abbrev.:Astrophys. J.
Issue / Number:2
Start Page:829
End Page:835
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We present millimeter- and submillimeter-wavelength observations and near-infrared K-band imaging toward the bright gamma-ray burst GRB 010222. Over seven different epochs, a constant source was detected with an average flux density of 3.74+/-0.53 mJy at 350 GHz and 1.05+/-0.22 mJy at 250 GHz, giving a spectral index alpha=3.78+/-0.25 (where F proportional to nu(alpha)). We rule out the possibility that this emission originated from the burst or its afterglow, and we conclude that it is due to a dusty, high-redshift starburst galaxy (SMM J14522+4301). We argue that the host galaxy of GRB 010222 is the most plausible counterpart of SMM J14522+4301, based in part on the centimeter detection of the host at the expected level. The optical/near-IR properties of the host galaxy of GRB 010222 suggest that it is a blue sub-L-* galaxy, similar to other GRB host galaxies. This contrasts with the enormous far- infrared luminosity of this galaxy based on our submillimeter detection (L-Bol approximate to 4x10(12) L-circle dot). We suggest that this GRB host galaxy has a very high star formation rate, SFR approximate to600 M-circle dot yr(-1), most of which is unseen at optical wavelengths.
Free Keywords:galaxies : starburst; gamma rays : bursts
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Radioastronomie
External Affiliations:Natl Radio Astron Observ, POB O, Socorro, NM 87801 USA; Natl Radio Astron Observ, Socorro, NM 87801 USA; Max Planck Inst Radioastron, D-53121 Bonn, Germany; Natl Res Council Canada, Joint Astron Ctr, Hilo, HI 96720 USA; CALTECH, Palomar Observ, Pasadena, CA 91125 USA; Dartmouth Coll, Dept Phys & Astron, Wilder Lab 6127, Hanover, NH 03755 USA; Columbia Univ, Dept Astron, New York, NY 10027 USA
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