2009AJ....137.4100K

Query : 2009AJ....137.4100K

2009AJ....137.4100K - Astron. J., 137, 4100-4108 (2009/May-0)

Early optical observations of gamma-ray bursts by the TAROT telescopes: period 2001-2008.

KLOTZ A., BOER M., ATTEIA J.L. and GENDRE B.

Abstract (from CDS):

The Télescopes à Action Rapide pour les Objets Transitoires telescopes are two robotic observatories designed to observe the prompt optical emission counterpart and the early afterglow of gamma-ray bursts (GRBs). We present data acquired between 2001 and 2008 and discuss the properties of the optical emission of GRBs, noting various interesting results. The optical emission observed during the prompt GRB phase is rarely very bright: we estimate that 5%-20% of GRBs exhibit a bright optical flash (R < 14) during the prompt gamma-ray emission, and that more than 50% of the GRBs have an optical emission fainter than R = 15.5 when the gamma-ray emission is active. We study the apparent optical brightness distribution of GRBs at 1000 s showing that our observations confirm the distribution derived by other groups. The combination of these results with those obtained by other rapid slewing telescopes allows us to better characterize the early optical emission of GRBs and to emphasize the importance of very early multiwavelength GRB studies for the understanding of the physics of the ejecta.

Abstract Copyright: ∼

Journal keyword(s): gamma rays: bursts - telescopes

Simbad objects: 74

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Number of rows : 74
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 070920B gB 00 00 31.27 -34 51 10.2           ~ 27 0
2 GRB 041219 gB 00 24 27.7 +62 50 34           ~ 231 1
3 GRB 050824 gB 00 48 56.100 +22 36 32.00 19.66 21.03 20.46 23.70   ~ 184 0
4 GRB 041006 gB 00 54 50.17 +01 14 07.0           ~ 202 2
5 GRB 050904 gB 00 54 50.794 +14 05 09.42           ~ 496 0
6 GRB 041218 gB 01 39 07.6 +71 20 30           ~ 34 0
7 GRB 071112C gB 02 36 50.89 +28 22 16.9           ~ 164 0
8 GRB 071101 gB 03 12 42.53 +62 30 00.7           ~ 35 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 080903 gB 05 47 09.60 +51 15 22.4           ~ 38 0
12 GRB 061019 gB 06 06 30.850 +29 34 13.30           ~ 54 0
13 GRB 061028 gB 06 28 54.700 +46 17 57.20           ~ 54 0
14 GRB 070920A gB 06 43 52.2 +72 14 59           ~ 21 0
15 GRB 051211A gB 06 56 09.000 +32 40 06.41           ~ 15 0
16 GRB 061222B gB 07 01 24.600 -25 51 36.00     19.87     ~ 87 0
17 GRB 070411 gB 07 09 19.930 +01 03 52.60     17.94     ~ 138 0
18 GRB 070628 gB 07 41 06.06 -20 16 45.3           ~ 41 0
19 GRB 070227 gB 08 02 19.310 -46 18 51.30           ~ 28 0
20 GRB 080516 gB 08 02 34.16 -26 09 35.3           ~ 59 0
21 GRB 070420 gB 08 04 55.170 -45 33 19.99 20.39 20.01 17.16     ~ 83 0
22 GRB 050209 gB 08 26.0 +19 41           ~ 14 0
23 GRB 060515 gB 08 29 09.490 +73 34 02.82           ~ 37 0
24 GRB 050505 gB 09 27 03.300 +30 16 23.70     20.74     ~ 206 0
25 GRB 061218 gB 09 56 57.000 -35 13 15.90           ~ 26 0
26 GRB 080315 gB 10 20 29.80 +41 42 03.6           ~ 20 0
27 GRB 010213 gB 10 31 36.0 +05 30 39           ~ 23 0
28 GRB 061217 gB 10 41 39.320 -21 07 22.11           ~ 128 0
29 SN 2003dh SN* 10 44 50.030 +21 31 18.15     16.2     SNIcpec 1261 1
30 GRB 080430 gB 11 01 14.63 +51 41 07.8           ~ 157 0
31 GRB 080330 gB 11 17 06.70 +30 36 24.1           ~ 145 0
32 GRB 030115 gB 11 18 32.6 +15 02 59           ~ 90 1
33 GRB 080603B gB 11 46 07.46 +68 03 38.5           ~ 153 0
34 GRB 050408 gB 12 02 17.320 +10 51 10.00           ~ 153 0
35 GRB 070412 gB 12 06 10.585 +40 08 24.84           ~ 50 0
36 GRB 060712 gB 12 16 16.170 +35 32 17.70           ~ 38 0
37 GRB 050416 gB 12 33 54.600 +21 03 26.69     19.12     ~ 300 1
38 GRB 050520 gB 12 50 05.770 +30 27 02.30           ~ 37 0
39 GRB 060512 gB 13 03 05.810 +41 11 27.21 19.12 19.63 17.20     ~ 142 0
40 GRB 050504 gB 13 24 01.290 +40 42 15.30           ~ 26 0
41 GRB 030324 gB 13 37 04.4 -00 15 34           ~ 36 0
42 GRB 080207 gB 13 50 03.02 +07 30 08.0           ~ 114 0
43 GRB 050730 gB 14 08 17.090 -03 46 18.90   20.32 17.68     ~ 327 0
44 GRB 080319B gB 14 31 41.04 +36 18 09.2           ~ 508 0
45 GRB 060814 gB 14 45 21.480 +20 35 11.80           ~ 241 0
46 GRB 020531 gB 15 14 55.8 -19 24 54           ~ 60 0
47 GRB 070913 gB 15 15 01.70 -24 17 34.9           ~ 27 0
48 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 1012 1
49 GRB 060904A gB 15 50 54.560 +44 59 10.51           ~ 77 0
50 GRB 070521 gB 16 10 38.600 +30 15 22.70           ~ 164 0
51 GRB 080210 gB 16 45 04.03 +13 49 36.3           ~ 121 0
52 GRB 071112B gB 17 20 51.0 -80 53 02           ~ 50 0
53 GRB 070330 gB 17 58 09.980 -63 47 34.80     18.87     ~ 48 0
54 GRB 061027 gB 18 03 58.100 -82 14 19.90           ~ 20 0
55 GRB 060111A gB 18 24 49.132 +37 36 14.47     18.86     ~ 72 0
56 GRB 060919 gB 18 27 41.740 -51 00 52.41           ~ 41 0
57 SN 2005nc SN* 18 32 32.560 +26 20 22.34           SNIc: 400 1
58 GRB 060502B gB 18 35 46.060 +52 37 51.45           ~ 153 1
59 GRB 050306 gB 18 49 13.950 -09 09 08.60     19.16     ~ 55 0
60 GRB 030501 gB 19 05 30 +06 18.4           ~ 28 0
61 GRB 060111B gB 19 05 42.480 +70 22 33.60     17.55     ~ 92 1
62 GRB 080413A gB 19 09 11.73 -27 40 39.6           ~ 163 0
63 GRB 071010A gB 19 12 14.42 -32 24 06.2           ~ 138 0
64 GRB 071109 gB 19 19 39.1 +02 02 53           ~ 26 0
65 GRB 051221B gB 20 49 35.100 +53 02 12.19           ~ 34 0
66 GRB 070508 gB 20 51 11.810 -78 23 04.88     19.62     ~ 144 0
67 GRB 070621 gB 21 35 10.17 -24 49 02.6           ~ 70 0
68 GRB 061110B gB 21 35 40.400 +06 52 34.10           ~ 91 0
69 GRB 071117 gB 22 20 10.40 -63 26 36.6           ~ 112 0
70 GRB 050820A gB 22 29 38.110 +19 33 37.10 18.33 19.00 18.47     ~ 409 0
71 GRB 040916 gB 23 00 55.1 -05 38 43           ~ 35 0
72 GRB 051211B gB 23 02 41.570 +55 04 51.50     20.42     ~ 37 0
73 GRB 050803 gB 23 22 37.910 +05 47 09.00           ~ 127 0
74 GRB 070103 gB 23 30 13.750 +26 52 33.70           ~ 76 0

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