2013MNRAS.433..759P


C.D.S. - SIMBAD4 rel 1.7 - 2020.03.31CEST16:44:28

2013MNRAS.433..759P - Mon. Not. R. Astron. Soc., 433, 759-770 (2013/July-3)

Peaks of optical and X-ray afterglow light curves.

PANAITESCU A., VESTRAND W.T. and WOZNIAK P.

Abstract (from CDS):

The peaks of 30 optical afterglows and 14 X-ray light curves display a good anticorrelation of the peak flux with the peak epoch: Fp∝ tp-2.0 in the optical and Fp ∝ tp-1.6 in the X-ray, the distributions of the peak epochs being consistent with each other. We investigate the ability of two forward-shock models for afterglow light-curve peaks - an observer location outside the initial jet aperture and the onset of the forward-shock deceleration - to account for those peak correlations. For both models, the slope of the Fp-tp relation depends only on the slope of the afterglow spectrum. We find that only a conical jet seen off-aperture and interacting with a wind-like medium can account both for the X-ray peak relation, given the average X-ray spectral slope βX = 1.0, and for the larger slope of the optical peak relation. However, any conclusion about the origin of the peak flux-peak epoch correlation is, at best, tentative, because the current sample of X-ray peaks is too small to allow a reliable measurement of the Fp-tp relation slope and because more than one mechanism and/or one afterglow parameter may be driving that correlation.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): radiation mechanisms: non-thermal - relativistic processes - shock waves - gamma-ray burst: general - ISM: jets and outflows

Status at CDS:  

Simbad objects: 41

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Number of rows : 41

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 GRB 071031 gB 00 25 37.40 -58 03 33.9           ~ 140 0
2 GRB 080710 gB 00 33 05.68 +19 30 05.8           ~ 101 0
3 GRB 050824 gB 00 48 56.100 +22 36 32.00 19.66 21.03 20.46     ~ 153 0
4 GRB 100901A gB 01 49 03.56 +22 45 30.6           ~ 122 0
5 GRB 070802 gB 02 27 35.91 -55 31 39.1           ~ 134 0
6 GRB 110213A gB 02 51 51.37 +49 16 21.2           ~ 117 0
7 GRB 061007 gB 03 05 19.510 -50 30 02.50 14.28 14.40 12.95     ~ 264 1
8 GRB 070318 gB 03 13 56.830 -42 56 46.30 18.27 16.23 15.49     ~ 137 0
9 GRB 091029 gB 04 00 40.00 -55 57 12.7           ~ 114 0
10 GRB 081028 gB 08 07 34.40 +02 18 16.8           ~ 88 0
11 GRB 051016B gB 08 48 27.810 +13 39 20.00 20.45         ~ 117 0
12 GRB 071010B gB 10 02 09.20 +45 43 52.2           ~ 134 0
13 GRB 110205A gB 10 58 31.12 +67 31 31.2           ~ 142 0
14 GRB 080330 gB 11 17 06.70 +30 36 24.1           ~ 118 0
15 GRB 100513A gB 11 18 26.83 +03 37 40.8           ~ 49 0
16 GRB 070419 gB 12 11.0 +39 54           ~ 13 0
17 GRB 090313 gB 13 13 36.00 +08 05 10.7           ~ 114 0
18 GRB 060206 gB 13 31 43.420 +35 03 03.60   19.99 17.09     ~ 280 1
19 GRB 090429B gB 14 02 40.10 +32 10 14.6           ~ 120 0
20 GRB 050730 gB 14 08 17.090 -03 46 18.90   20.32 17.68     ~ 281 1
21 GRB 080310 gB 14 40 13.89 -00 10 30.4           ~ 157 0
22 GRB 090205 gB 14 43 40.00 -27 50 51.4           ~ 68 0
23 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 960 1
24 GRB 081203A gB 15 32 07.6 +63 31 15           ~ 130 0
25 GRB 060418 gB 15 45 42.600 -03 38 20.00 15.73 16.19 14.98     ~ 320 1
26 GRB 090726 gB 16 34 43.50 +72 51 56.5           ~ 50 0
27 GRB 100418A gB 17 05 26.96 +11 27 41.9           ~ 137 0
28 GRB 080319C gB 17 15 55.48 +55 23 31.7           ~ 135 0
29 GRB 060926 gB 17 35 43.660 +13 02 18.60     19.36     ~ 114 0
30 GRB 090418 gB 17 57 15.2 +33 24 22           ~ 22 0
31 GRB 080603A gB 18 37 37.95 +62 44 39.6           ~ 68 0
32 GRB 081008 gB 18 39 52.40 -57 25 58.8           ~ 153 0
33 GRB 071010A gB 19 12 14.42 -32 24 06.2           ~ 104 0
34 GRB 060614 gB 21 23 32.140 -53 01 36.10 18.89 20.12 19.54     ~ 493 1
35 GRB 060605 gB 21 28 37.320 -06 03 31.30   20.12 16.53     ~ 163 0
36 GRB 060607 gB 21 58 50.400 -22 29 46.70 18.49 16.67 15.09     ~ 253 1
37 GRB 050820A gB 22 29 38.110 +19 33 37.10 18.33 19.00 18.47     ~ 336 1
38 GRB 081029 gB 23 07 06 -68 10.7           ~ 89 0
39 GRB 070103 gB 23 30 13.750 +26 52 33.70           ~ 55 0
40 GRB 071025 gB 23 40 17.02 +31 46 42.4           ~ 93 0
41 GRB 080810 gB 23 47 08.00 +00 18 35.1           ~ 174 0

    Equat.    Gal    SGal    Ecl

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2020.03.31-16:44:28

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