2002ApJ...571L.121P

Query : 2002ApJ...571L.121P

2002ApJ...571L.121P - Astrophys. J., 571, L121-L125 (2002/June-1)

GRB 010921: discovery of the first High Energy Transient Explorer afterglow.

PRICE P.A., KULKARNI S.R., BERGER E., DJORGOVSKI S.G., FRAIL D.A., MAHABAL A., FOX D.W., HARRISON F.A., BLOOM J.S., YOST S.A., REICHART D.E., HENDEN A.A., RICKER G.R., VAN DER SPEK R., HURLEY K., ATTEIA J.-L., KAWAI N., FENIMORE E. and GRAZIANI C.

Abstract (from CDS):

We report the discovery of the optical and radio afterglow of GRB 010921, the first gamma-ray burst afterglow to be found from a localization by the High Energy Transient Explorer satellite. We present optical spectroscopy of the host galaxy, which we find to be a dusty and apparently normal star-forming galaxy at z=0.451. The unusually steep optical spectral slope of the afterglow can be explained by heavy extinction, AV>0.5 mag, along the line of sight to the GRB. Dust with similar AV for the host galaxy as a whole appears to be required by the measurement of a Balmer decrement in the spectrum of the host galaxy.

Abstract Copyright: ∼

Journal keyword(s): Gamma Rays: Bursts

Nomenclature: [PKB2002] Source A (Nos A-B). [PKB2002] Star Z N=1.

CDS comments: The 3 calibration sources J2255+420, J0137+331 and J1331+305 are respectively RORF 2253+417, RORF 0134+329 and RORF 1328+307.

Simbad objects: 15

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Number of rows : 15
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 QSO B0134+3253 QSO 01 37 40.679 +33 08 55.50     21.20     ~ 26 0
3 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
5 GSC 01922-00907 * 07 30 34.4818543512 +29 51 11.988618552   13.79 13.13 12.91   ~ 6 0
6 GSPC P545-C * 08 29 25.1200498584 +05 56 08.395186416           ~ 11 0
7 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
8 BD+17 4708 SB* 22 11 31.3756832854 +18 05 34.177983548 9.73 9.91 9.46 9.03 8.70 sdF8 580 0
9 GRB 990712 gB 22 31 53.061 -73 24 28.58           ~ 268 1
10 QSO B2253+417 QSO 22 55 36.70783988 +42 02 52.5326109     18.8     ~ 82 1
11 GRB 010921 gB 22 55 59.90 +40 55 52.9           ~ 173 1
12 [LDM2003] GRB J225559.9+405553 G 22 55 59.9 +40 55 53           ~ 12 1
13 2MASS J22560014+4055221 * 22 56 00.1383850704 +40 55 22.203746652           ~ 1 0
14 [PKB2002] Source B V* 22 56 15.09 +41 04 48.1           ~ 1 0
15 GRB 980703 gB 23 59 06.7 +08 35 07           ~ 453 1

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