2009ApJ...699.1087V


Query : 2009ApJ...699.1087V

2009ApJ...699.1087V - Astrophys. J., 699, 1087-1091 (2009/July-2)

Optical classification of gamma-ray bursts in the Swift era.

VAN DER HORST A.J., KOUVELIOTOU C., GEHRELS N., ROL E., WIJERS R.A.M.J., CANNIZZO J.K., RACUSIN J. and BURROWS D.N.

Abstract (from CDS):

We propose a new method for the classification of optically dark gamma-ray bursts (GRBs), based on the X-ray and optical-to-X-ray spectral indices of GRB afterglows, and utilizing the spectral capabilities of Swift. This method depends less on model assumptions than previous methods, and can be used as a quick diagnostic tool to identify optically sub-luminous bursts. With this method we can also find GRBs that are extremely bright at optical wavelengths. We show that the previously suggested correlation between the optical darkness and the X-ray/gamma-ray brightness is merely an observational selection effect.

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Journal keyword(s): gamma rays: bursts

Simbad objects: 16

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Number of rows : 16
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 070721A gB 00 12 39.20 -28 33 00.0           ~ 33 0
2 GRB 050908 gB 01 21 50.750 -12 57 17.20           ~ 179 0
3 GRB 051028 gB 01 48 15.010 +47 45 09.20           ~ 39 0
4 GRB 060210 gB 03 50 57.370 +27 01 34.40   20.27       ~ 275 0
5 GRB 050410 gB 05 59 13.460 +79 36 12.00           ~ 53 0
6 GRB 061004 gB 06 31 10.710 -45 54 28.71           ~ 51 0
7 GRB 050801 gB 13 36 35.000 -21 55 41.00 15.03 15.82 15.46     ~ 164 0
8 GRB 060526 gB 15 31 18.360 +00 17 04.90   18.31 17.16     ~ 288 0
9 GRB 050401 gB 16 31 28.84 +02 11 14.5           ~ 348 0
10 GRB 970828 gB 18 08 31.6 +59 18 51           ~ 353 1
11 GRB 050713B gB 20 31 15.570 +60 56 43.70           ~ 72 0
12 GRB 070508 gB 20 51 11.810 -78 23 04.88     19.62     ~ 144 0
13 GRB 070419B gB 21 02 49.820 -31 15 49.30   20.35       ~ 86 0
14 GRB 060607 gB 21 58 50.400 -22 29 46.70 18.49 16.67 15.09     ~ 318 0
15 GRB 061222A gB 23 53 03.419 +46 31 58.60           ~ 177 0
16 GRB 051022A gB 23 56 04.200 +19 36 32.30           ~ 194 1

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