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Title: Searching for GRB remnants in nearby galaxies
Authors: Bhargavi, S. G
Rhoads, J
Perna, R
Feldmeier, J
Greiner, J
Keywords: Gamma-Ray Sources (Astronomical);Galaxies;Planetary Nebulae;Supernova Remnants
Issue Date: Sep-2004
Publisher: American Institute of Physics
Citation: Fenimore, E. E and Galasso, M., eds. Gamma-ray bursts: 30 years of discovery: Gamma-ray burst Symposium, Santa Fe, New Mexico, 8-12 September 2003, AIP Conference Proceedings, Vol. 727, pp. 388 – 391
Series/Report no.: AIP Conference Proceedings; Vol. 727
Abstract: Gamma Ray Bursts (GRBs) are expected to leave behind GRB remnants, similar to how ``standard'' supernovae (SN) leave behind SN remnants. The identification of these remnants in our own and in nearby galaxies would allow a much closer look at GRB birth sites, and possibly lead to the discovery of the compact object left behind. It would also provide independent constraints on GRB rates and energetics. We have initiated an observational program (2002) to search for GRB remnants in nearby galaxies. The identification is based on specific line ratios, such as OIII/Hβ and HeII/Hβ. which are expected to be unusually high in case of GRB remnants according to the theoretical predictions of Perna et al. (2000). The observing strategies and preliminary studies from a test run at 2.34 m VBT as well as archival data from planetary nebulae surveys of spiral galaxies are discussed.
ISBN: 978-0-7354-0208-9
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Appears in Collections:IIAP Publications

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