2008MNRAS.387..497P

Query : 2008MNRAS.387..497P

2008MNRAS.387..497P - Mon. Not. R. Astron. Soc., 387, 497-504 (2008/June-3)

Taxonomy of gamma-ray burst optical light curves: identification of a salient class of early afterglows.

PANAITESCU A. and VESTRAND W.T.

Abstract (from CDS):

The temporal behaviour of the early optical emission from gamma-ray burst afterglows can be divided into four classes: fast-rising with an early peak, slow-rising with a late peak, flat plateaus and rapid decays since first measurement. The fast-rising optical afterglows display correlations among peak flux, peak epoch and post-peak power-law decay index that can be explained with a structured outflow seen off-axis, but the shock origin (reverse or forward) of the optical emission cannot be determined. The afterglows with plateaus and slow rises may be accommodated by the same model, if observer location offsets are larger than for the fast-rising afterglows, or could be due to a long-lived injection of energy and/or ejecta in the blast wave. If better calibrated with more afterglows, the peak flux-peak epoch relation exhibited by the fast- and slow-rising optical light curves could provide a way to use this type of afterglows as standard candles.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): radiation mechanisms: non-thermal - shock waves - gamma-rays: bursts

Simbad objects: 33

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Number of rows : 33
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 070110 gB 00 03 39.270 -52 58 27.00 21.8 21.9 21.2     ~ 220 0
2 GRB 041219 gB 00 24 27.7 +62 50 34           ~ 231 1
3 GRB 021004 gB 00 26 54.68 +18 55 41.6           ~ 560 0
4 GRB 050904 gB 00 54 50.794 +14 05 09.42           ~ 496 0
5 GRB 050908 gB 01 21 50.750 -12 57 17.20           ~ 179 0
6 GRB 070616 gB 02 08 36.430 +56 56 44.91           ~ 79 0
7 GRB 061007 gB 03 05 19.510 -50 30 02.50 14.28 14.40 12.95     ~ 315 1
8 GRB 060210 gB 03 50 57.370 +27 01 34.40   20.27       ~ 275 0
9 GRB 060904B gB 03 52 50.520 -00 43 30.61 18.27 19.14 18.37     ~ 208 0
10 GRB 060124 gB 05 08 25.900 +69 44 26.98   18.91 17.35     ~ 280 0
11 GRB 061126 gB 05 46 24.460 +64 12 38.49 18.62 18.79 19.20     ~ 182 1
12 GRB 060729 gB 06 21 31.850 -62 22 12.69           ~ 303 0
13 GRB 070411 gB 07 09 19.930 +01 03 52.60     17.94     ~ 138 0
14 SN 2002lt SN* 08 08 59.858 +06 43 37.52           SNIc: 363 1
15 GRB 061121 gB 09 48 54.570 -13 11 42.68 17.19 17.71 17.02     ~ 350 0
16 GRB 050319 gB 10 16 47.900 +43 32 53.80   18.02 17.01     ~ 274 0
17 GRB 030418 gB 10 54 33.69 -07 01 40.8           ~ 69 0
18 GRB 050416 gB 12 33 54.600 +21 03 26.69     19.12     ~ 300 1
19 GRB 050801 gB 13 36 35.000 -21 55 41.00 15.03 15.82 15.46     ~ 164 0
20 GRB 050730 gB 14 08 17.090 -03 46 18.90   20.32 17.68     ~ 327 0
21 GRB 060714 gB 15 11 26.450 -06 33 58.30   20.21 18.54     ~ 209 0
22 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 1012 1
23 GRB 060418 gB 15 45 42.600 -03 38 20.00 15.73 16.19 14.98     ~ 389 0
24 GRB 050401 gB 16 31 28.84 +02 11 14.5           ~ 348 0
25 SN 2005nc SN* 18 32 32.560 +26 20 22.34           SNIc: 400 1
26 GRB 050922C gB 21 09 33.000 -08 45 30.10 15.15 15.86 14.69     ~ 301 0
27 GRB 060614 G 21 23 32.140 -53 01 36.10           ~ 714 0
28 GRB 060927A gB 21 58 11.930 +05 21 50.32           ~ 215 0
29 GRB 060607 gB 21 58 50.400 -22 29 46.70 18.49 16.67 15.09     ~ 318 0
30 GRB 051109A gB 22 01 15.320 +40 49 23.70   20.09 20.14     ~ 190 0
31 GRB 050820A gB 22 29 38.110 +19 33 37.10 18.33 19.00 18.47     ~ 409 0
32 GRB 051111A gB 23 12 33.170 +18 22 28.80 19.77 20.08 19.50     ~ 223 0
33 GRB 071025 gB 23 40 17.02 +31 46 42.4           ~ 122 0

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