2001A&A...369..373F


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.21CEST12:42:58

2001A&A...369..373F - Astronomy and Astrophysics, volume 369, 373-379 (2001/4-2)

Detection of the optical afterglow of GRB 000630: Implications for dark bursts.

FYNBO J.U., JENSEN B.L., GOROSABEL J., HJORTH J., PEDERSEN H., MOLLER P., ABBOTT T., CASTRO-TIRADO A.J., DELGADO D., GREINER J., HENDEN A., MAGAZZU A., MASETTI N., MERLINO S., MASEGOSA J., OSTENSEN R., PALAZZI E., PIAN E., SCHWARZ H.E., CLINE T., GUIDORZI C., GOLDSTEN J., HURLEY K., MAZETS E., McCLANAHAN T., MONTANARI E., STARR R. and TROMBKA J.

Abstract (from CDS):

We present the discovery of the optical transient of the long-duration gamma-ray burst GRB 000630. The optical transient was detected with the Nordic Optical Telescope 21.1 hours after the burst. At the time of discovery the magnitude of the transient was R=23.04±0.08. The transient displayed a power-law decline characterized by a decay slope of α=-1.035±0.097. A deep image obtained 25 days after the burst shows no indication of a contribution from a supernova or a host galaxy at the position of the transient. The closest detected galaxy is a R=24.68±0.15 galaxy 2.0 arcsec north of the transient. The magnitudes of the optical afterglows of GRB 980329, GRB 980613 and GRB 000630 were all R>23 less than 24 hours from the burst epoch. We discuss the implications of this for our understanding of GRBs without detected optical transients. We conclude that i) based on the gamma-ray properties of the current sample we cannot conclude that GRBs with no detected OTs belong to another class of GRBs than GRBs with detected OTs and ii) the majority (>75%) of GRBs for which searches for optical afterglow have been unsuccessful are consistent with no detection if they were similar to bursts like GRB 000630 at optical wavelengths.

Abstract Copyright:

Journal keyword(s): cosmology: observations - gamma rays: bursts

Simbad objects: 53

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Number of rows : 53

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 000529 gB 00 09 48.3 -61 27 53           ~ 17 0
2 GRB 000608 gB 00 25.0 -69 02           ~ 6 0
3 GRB 970616 gB 01 18 48.0 -05 26 18           ~ 49 0
4 GRB 990627 gB 01 48 25.4 -77 04 38           ~ 19 1
5 GRB 990217 gB 03 02 52.3 -53 05 37           ~ 27 0
6 GRB 990806 gB 03 10.5 -68 07           ~ 35 0
7 GRB 981220 gB 03 42 33.8 +17 09 00           ~ 47 0
8 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 626 1
9 GRB 000307 gB 05 55 +05.8           ~ 17 0
10 GRB 000131 gB 06 13 31.08 -51 56 41.7     24.7     ~ 161 1
11 GRB 000429 gB 06 32 -04.1           ~ 17 0
12 GRB 990915 gB 06 38 +75.7           ~ 13 0
13 GRB 991014 gB 06 51 03.0 +11 36 05           ~ 38 0
14 GRB 990908 gB 06 53 -73.0           ~ 7 0
15 GRB 970508 gB 06 53 49.2 +79 16 19           ~ 842 1
16 GRB 000424B gB 06 58 52.3 +49 52 23           ~ 23 0
17 GRB 980329 gB 07 02 41 +38 50.7           ~ 264 1
18 GRB 990907 gB 07 33.7 -69 47           ~ 19 0
19 GRB 000620 gB 07 35 17.2 +69 11 35           ~ 19 0
20 GRB 000126 gB 07 45 00.0 +07 44 30           ~ 17 0
21 GRB 000115 gB 08 03 30.0 -17 13 30           ~ 26 0
22 GRB 980326 gB 08 36 34.3 -18 51 24           ~ 258 0
23 GRB 000408B gB 08 53 +68.8           ~ 18 0
24 GRB 990316 gB 10 11 -05.5           ~ 25 0
25 GRB 980613 gB 10 17 57.8 +71 27 26           ~ 198 1
26 GRB 000528 gB 10 45 08.0 -33 59 26           ~ 27 0
27 GRB 000623 gB 11 15 41 +10 42.0           ~ 8 0
28 GRB 000616 gB 11 20.2 +26 16           ~ 5 0
29 GRB 990506 gB 11 54 41 -26 45.0           ~ 158 1
30 GRB 991105 gB 12 11 -62.7           ~ 22 0
31 GRB 990704 gB 12 19 27.3 -03 50 22           ~ 50 0
32 GRB 000418 gB 12 25 21 +20 05.0           ~ 201 0
33 GRB 971227 gB 12 57 15.0 +59 24 02           ~ 48 0
34 GRB 000323 gB 13 04 +57.1           ~ 20 0
35 OT 20000630 ? 14 47 13.485 +41 13 53.25           ~ 1 0
36 GRB 000630 gB 14 47.2 +41 13           ~ 50 1
37 GRB 970402 gB 14 50 06.0 -69 20 00           ~ 70 1
38 GRB 970111 gB 15 28 15.0 +19 36 18           ~ 138 0
39 GRB 000615 gB 15 32.6 +73 48           ~ 27 0
40 GRB 000604 gB 15 35 47.2 +10 41 18           ~ 10 0
41 4B 970815 gB 16 06 54.0 +81 30 34           ~ 54 0
42 GRB 000301C gB 16 20 18.5 +29 26 35           ~ 341 2
43 GRB 000508B gB 16 57 -24.1           ~ 17 0
44 GRB 970828 gB 18 08 31.6 +59 18 51           ~ 336 1
45 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1658 2
46 GRB 000326A gB 22 11 23.5 -26 08 46           ~ 15 0
47 GRB 991106 gB 22 24 40.8 +54 22 45           ~ 26 0
48 GRB 990712 gB 22 31 53.061 -73 24 28.58           ~ 251 1
49 GRB 000315 gB 22 43 20.6 +17 59 36           ~ 5 0
50 GRB 990527 gB 22 50 27 -20 53.4           ~ 11 1
51 GRB 000519 gB 23 04 38.6 +01 10 17           ~ 24 0
52 GRB 981226 gB 23 29 37.2 -23 55 54           ~ 100 1
53 GRB 000301A gB 23 39 27.1 +75 47 13           ~ 14 0

    Equat.    Gal    SGal    Ecl

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2020.10.21-12:42:58

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