2005PASJ...57L..11Y

Query : 2005PASJ...57L..11Y

2005PASJ...57L..11Y - Publ. Astron. Soc. Jap., 57, L11-L15 (2005/June-0)

Giant flare of Sgr 1806-20 from a relativistic jet.

YAMAZAKI R., IOKA K., TAKAHARA F. and SHIBAZAKI N.

Abstract (from CDS):

begin{HTML} The Japanese magnetospheric explorer GEOTAIL recorded a detailed light curve during the initial 600msec of a giant flare from SGR 1806-20 on 2004 December 27. We show that the observed light curve is well explained by emission from relativistically expanding fireballs, like those of gamma-ray bursts (GRBs). Especially, the observed rapid fading after 500msec suggests that ejecta were collimated in a jet. We derived an upper limit on the jet opening half-angle of 0.2rad, which is as narrow as those of GRBs.

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Journal keyword(s): gamma rays: theory - ISM: jets and outflows - stars: neutron - stars: pulsars: individual: SGR 1806-20

Nomenclature: NAME SGR 0526-66 added.

Simbad objects: 4

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Number of rows : 4
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 PSR B0525-66 Psr 05 26 00.7 -66 04 35           ~ 569 1
2 QSO J1004+4112 LeQ 10 04 34.9243842216 +41 12 42.771018060   19.14 19.03     ~ 206 1
3 PSR J1808-2024 Psr 18 08 39.32 -20 24 40.1           ~ 1316 2
4 NAME Sgr 1900-14 Rad 19 03 33.058 -13 57 54.76           ~ 16 1

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