2002ApJ...571L.127R

Query : 2002ApJ...571L.127R

2002ApJ...571L.127R - Astrophys. J., 571, L127-L130 (2002/June-1)

GRB 010921: localization and observations by the High Energy Transient Explorer satellite.

RICKER G., HURLEY K., LAMB D., WOOSLEY S., ATTEIA J.-L., KAWAI N., VANDERSPEK R., CREW G., DOTY J., VILLASENOR J., PRIGOZHIN G., MONNELLY G., BUTLER N., MATSUOKA M., SHIRASAKI Y., TAMAGAWA T., TORII K., SAKAMOTO T., YOSHIDA A., FENIMORE E., GALASSI M., TAVENNER T., DONAGHY T., GRAZIANI C., BOER M., DEZALAY J.-P., NIEL M., OLIVE J.-F., VEDRENNE G., CLINE T., JERNIGAN J.G., LEVINE A., MARTEL F., MORGAN E., BRAGA J., MANCHANDA R., PIZZICHINI G., TAKAGISHI K. and YAMAUCHI M.

Abstract (from CDS):

On 2001 September 21 at 05:15:50.56 UT, the French Gamma Telescope (FREGATE) on the High Energy Transient Explorer (HETE) detected a bright gamma-ray burst (GRB). The burst was also seen by the X-detector on the Wide-field X-ray Monitor (WXM) instrument and was therefore well localized in the X-direction; however, the burst was outside the fully coded field of view of the WXM Y-detector, and therefore information on the Y-direction of the burst was limited. Cross-correlation of the HETE and Ulysses time histories yielded an Interplanetary Network (IPN) annulus that crosses the HETE error strip at an ∼45° angle. The intersection of the HETE error strip and the IPN annulus produces a diamond-shaped error region for the location of the burst having an area of 310 arcmin². Based on the FREGATE and WXM light curves, the duration of the burst is characterized by t₉₀=34.2 s in the WXM 4-25 keV energy range, and 23.8 and 21.8 s in the FREGATE 6-40 and 32-400 keV energy ranges, respectively. The fluence of the burst in these same energy ranges is 4.8x10^–6, 5.5x10^–6, and 11.4x10^–6 ergs.cm^–2, respectively. Subsequent optical and radio observations by ground-based observers have identified the afterglow of GRB 010921 and determined an apparent redshift of z=0.450.

Abstract Copyright: ∼

Journal keyword(s): Gamma Rays: Bursts 889-2192, Japan.

Simbad objects: 1

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Number of rows : 1

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 010921	gB	22 55 59.90	+40 55 52.9						~	173	1

Query : 2002ApJ...571L.127R

Basic data :

GRB 010921 -- Gamma-ray Burst
Other object types:	`gB (GRB,XRF)`
ICRS coord. (ep=J2000) :	`22 55 59.90 +40 55 52.9 [ ] D 2002ApJ...571L.121P`
FK4 coord. (ep=B1950 eq=1950) :	`22 53 42.30 +40 39 51.1 [ ]`
Gal coord. (ep=J2000) :	`100.53353 -16.86596 [ ]`
Radial velocity / Redshift / cz :	`V(km/s) 106714 [~] / z(~) 0.4510 [~] / cz 135206 [~] D 2007ApJ...667L.121L`

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GRB 010921 HETE Trigger 1761 OT 20010921 XRF 010921

References (173 between 1850 and 2026) (Total 173)
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