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arXiv:astro-ph/0004186 (astro-ph)
[Submitted on 13 Apr 2000 (v1), last revised 27 Jun 2000 (this version, v2)]

Title:Unusually rapid variability of the GRB000301C optical afterglow

Authors:N. Masetti, et al
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Abstract: We present BVRI light curves of the afterglow of GRB000301C, one of the brightest ever detected at a day time scale interval after GRB trigger. The monitoring started 1.5 days after the GRB and ended one month later. Inspection of the extremely well sampled R band light curve and comparison with BVI data has revealed a complex behavior, with a long term flux decrease and various short time scale features superimposed. These are uncommon among other observed afterglows, and might trace either intrinsic variability within the relativistic shock (re-acceleration and re-energization) or inhomogeneities in the medium in which the shock propagates.
Comments: 5 pages, Latex, 2 PostScript figures, references added, accepted by Astronomy and Astrophysics Letters
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0004186
  (or arXiv:astro-ph/0004186v2 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0004186

Submission history

From: Elena Pian [view email]
[v1] Thu, 13 Apr 2000 16:40:11 UTC (28 KB)
[v2] Tue, 27 Jun 2000 11:56:08 UTC (28 KB)
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