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- Title
A DEEP SEARCH FOR THE HOST GALAXIES OF GRBS WITH NO DETECTED OPTICAL AFTERGLOW.
- Authors
Rossi, A.; Klose, S.; Ferrero, P.; Greiner, J.; Updike, A.; Kann, D. A.; Krühler, T.; Guelbenzu, A. Nicuesa
- Abstract
Long gamma-ray bursts (GRBs) pinpoint star-forming galaxies as they are linked to the deaths of massive stars. In most eases, these galaxies have been found to be blue, sub-luminous and of low-metallicity. However, our recent survey have demonstrated that a sizeable fraction of GRBs reside in massive, dusty and star-forming extremely red objects (EROs, (R - K)AB > 3.5). The most remarkable case is the host of GRB 080207, one of the reddest galaxies ever associated with a GRB. This discovery suggests that at least a fraction of GRB afterglows trace a subpopulation of massive starburst galaxies, which are markedly different from the most studied blue, sub-luminous and compact GRB host galaxies.
- Subjects
GAMMA ray bursts; GALAXIES; STARBURSTS; LUMINOSITY; GAMMA ray astronomy
- Publication
EAS Publications Series, 2013, Vol 61, p431
- ISSN
1633-4760
- Publication type
Article
- DOI
10.1051/eas/1361069