[ITAL]Hubble Space Telescope[/ITAL] Space Telescope Imaging Spectrograph Imaging of the Host Galaxy of GRB 980425/SN 1998[CLC]bw[/CLC] | Zendy

J. P. U. Fynbo | Zendy; S. T. Holland | Zendy; M. I. Andersen | Zendy; B. Thomsen | Zendy; J. Hjorth | Zendy; G. Björnsson | Zendy; A. O. Jaunsen | Zendy; Priyamvada Natarajan | Zendy; N. R. Tanvir | Zendy

Open Access

[ITAL]Hubble Space Telescope[/ITAL] Space Telescope Imaging Spectrograph Imaging of the Host Galaxy of GRB 980425/SN 1998[CLC]bw[/CLC]

Author(s) -

J. P. U. Fynbo,

S. T. Holland,

M. I. Andersen,

B. Thomsen,

J. Hjorth,

G. Björnsson,

A. O. Jaunsen,

Priyamvada Natarajan,

N. R. Tanvir

Publication year - 2000

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/312942

Subject(s) - physics , gamma ray burst , astrophysics , astronomy , galaxy , supernova , space telescope imaging spectrograph , hubble space telescope , flattening , telescope

We present HST/STIS observations of ESO 184-G82, the host galaxy of the gamma-ray burst GRB 980425 associated with the peculiar Type Ic supernova SN1998bw. ESO 184-G82 is found to be an actively star forming SBc sub-luminous galaxy. We detect an object consistent with being a point source within the astrometric uncertainty of 0.018 arcseconds of the position of the supernova. The object is located inside a star-forming region and is at least one magnitude 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.

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