2000A&A...359L..23M

Query : 2000A&A...359L..23M

2000A&A...359L..23M - Astronomy and Astrophysics, volume 359L23-26 (2000/7-3)

Unusually rapid variability of the GRB000301C optical afterglow.

MASETTI N., BARTOLINI C., BERNABEI S., GUARNIERI A., PALAZZI E., PIAN E., PICCIONI A., CASTRO-TIRADO A.J., CASTRO CERON J.M., VERDES-MONTENEGRO L., SAGAR R., MOHAN V., PANDEY A.K., PANDEY S.B., BOCK H., GREINER J., BENETTI S., WIJERS R.A.M.J., BESKIN G.M. and GOROSABEL J.

Abstract (from CDS):

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 complex behavior, with a long term flux decrease and various short time scale features superimposed. These features 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.

Abstract Copyright: ∼

Journal keyword(s): gamma rays: bursts

Simbad objects: 9

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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 GRB 980306 gB 00 34 -46.2           ~ 21 0
2 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 650 1
3 GRB 970508 gB 06 53 49.2 +79 16 19           ~ 883 1
4 GRB 990510 gB 13 38 07.64 -80 29 48.8           ~ 499 1
5 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 1012 1
6 GRB 000301C gB 16 20 18.5 +29 26 35           ~ 361 0
7 GRB 980306B gB 22 48 -58.6           ~ 20 0
8 GRB 980519 gB 23 22 21.5 +77 15 43           ~ 203 0
9 GRB 980703 gB 23 59 06.7 +08 35 07           ~ 453 1

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