2001ApJ...562L..55F


Query : 2001ApJ...562L..55F

2001ApJ...562L..55F - Astrophys. J., 562, L55-L58 (2001/November-3)

Beaming in gamma-ray bursts: evidence for a standard energy reservoir.

FRAIL D.A., KULKARNI S.R., SARI R., DJORGOVSKI S.G., BLOOM J.S., GALAMA T.J., REICHART D.E., BERGER E., HARRISON F.A., PRICE P.A., YOST S.A., DIERCKS A., GOODRICH R.W. and CHAFFEE F.

Abstract (from CDS):

We present a comprehensive sample of all gamma-ray burst (GRB) afterglows with known distances, and we derive their conical opening angles based on observed broadband breaks in their light curves. Within the framework of this conical jet model, we correct for the geometry and we find that the gamma-ray energy release is narrowly clustered around 5x1050 ergs. We draw three conclusions. First, the central engines of GRBs release energies that are comparable to ordinary supernovae. Second, the broad distribution in fluence and luminosity for GRBs is largely the result of a wide variation of opening angles. Third, only a small fraction of GRBs are visible to a given observer, and the true GRB rate is several hundred times larger than the observed rate.

Abstract Copyright:

Journal keyword(s): Gamma Rays: Bursts - ISM: Jets and Outflows - Shock Waves

Simbad objects: 22

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Number of rows : 22
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 GRB 990217 gB 03 02 52.3 -53 05 37           ~ 28 0
2 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 630 1
3 GRB 991216 gB 05 09 31.2983 +11 17 07.262           ~ 414 0
4 GRB 990705 gB 05 09 54.5 -72 07 53           ~ 218 1
5 GRB 000131 gB 06 13 31.08 -51 56 41.7     24.7     ~ 162 1
6 GRB 970508 gB 06 53 49.2 +79 16 19           ~ 856 1
7 GRB 980326 gB 08 36 34.3 -18 51 24           ~ 259 0
8 GRB 980613 gB 10 17 57.8 +71 27 26           ~ 199 1
9 GRB 990506 gB 11 54 41 -26 45.0           ~ 161 1
10 GRB 971214 gB 11 56 26.4 +65 12 01           ~ 437 1
11 GRB 000418 gB 12 25 21 +20 05.0           ~ 205 0
12 GRB 990510 gB 13 38 07.64 -80 29 48.8           ~ 477 1
13 GRB 010222 G 14 52 12.5 +43 01 06           ~ 341 1
14 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 974 1
15 GRB 970111 gB 15 28 15.0 +19 36 18           ~ 138 0
16 GRB 000301C gB 16 20 18.5 +29 26 35           ~ 348 0
17 GRB 991208 gB 16 33 53.51 +46 27 21.5           ~ 249 1
18 GRB 000926 gB 17 04 15 +51 46.0           ~ 351 0
19 GRB 970828 gB 18 08 31.6 +59 18 51           ~ 341 1
20 GRB 990712 gB 22 31 53.061 -73 24 28.58           ~ 255 1
21 GRB 980519 gB 23 22 21.5 +77 15 43           ~ 197 0
22 GRB 980703 gB 23 59 06.7 +08 35 07           ~ 432 1

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2022.09.28-01:45:54

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