[ITAL]Hubble Space Telescope[/ITAL] Space Telescope Imaging Spectrograph Imaging of the Host Galaxy of GRB 980425/SN 1998[CLC]bw[/CLC]
Open Access
- 20 October 2000
- journal article
- research article
- Published by American Astronomical Society in The Astrophysical Journal
- Vol. 542 (2) , L89-L93
- https://doi.org/10.1086/312942
Abstract
We present Hubble Space Telescope Space Telescope Imaging Spectrograph observations of ESO 184-G82, the host galaxy of the gamma-ray burst GRB 980425 associated with the peculiar Type Ic supernova SN 1998bw. ESO 184-G82 is found to be an actively star-forming SBc subluminous galaxy. We detect an object consistent with being a point source within the astrometric uncertainty of 0018 of the position of the supernova. The object is located inside a star-forming region. The object is 1 mag brighter than expected for the supernova based on a simple radioactive decay model. This implies either a significant flattening of the light curve or a contribution from an underlying star cluster.Keywords
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