HETE-2 Localization and Observations of the Short, Hard Gamma-Ray Burst GRB020531

Simple item page
dc.creatorLamb, D. Q.
dc.creatorRicker, G. R.
dc.creatorAtteia, J. -L.
dc.creatorHurley, K.
dc.creatorKawai, N.
dc.creatorShirasaki, Y.
dc.creatorSakamoto, T.
dc.creatorTamagawa, T.
dc.creatorGraziani, C.
dc.creatorOlive, J. -F.
dc.creatorYoshida, A.
dc.creatorMatsuoka, M.
dc.creatorTorii, K.
dc.creatorFenimore, E. E.
dc.creatorGalassi, M.
dc.creatorTavenner, T.
dc.creatorDonaghy, T. Q.
dc.creatorBoer, M.
dc.creatorDezalay, J. -P.
dc.creatorVanderspek, R.
dc.creatorCrew, G.
dc.creatorDoty, J.
dc.creatorMonnelly, G.
dc.creatorVillasenor, J.
dc.creatorButler, N.
dc.creatorJernigan, J. G.
dc.creatorLevine, A.
dc.creatorMartel, F.
dc.creatorMorgan, E.
dc.creatorPrigozhin, G.
dc.creatorWoosley, S. E.
dc.creatorCline, T.
dc.creatorMitrofanov, I.
dc.creatorAnfimov, D.
dc.creatorKozyrev, A.
dc.creatorLitvak, M.
dc.creatorSanin, A.
dc.creatorBoynton, W.
dc.creatorFellows, C.
dc.creatorHarshman, K.
dc.creatorShinohara, C.
dc.creatorStarr, R.
dc.creatorBraga, J.
dc.creatorManchanda, R.
dc.creatorPizzichini, G.
dc.creatorTakagishi, K.
dc.creatorYamauchi, M.
dc.date2002-06-10
dc.date2002-06-11
dc.date.accessioned2026-07-07T02:03:55Z
dc.date.available2026-07-07T02:03:55Z
dc.descriptionThe {\it HETE-2} (hereafter \HETE) French Gamma Telescope (FREGATE) and the Wide-field X-ray Monitor (WXM) instruments detected a short ($t_{50} = 360$ msec in the FREGATE 85-300 keV energy band), hard gamma-ray burst (GRB) that occurred at 1578.72 SOD (00:26:18.72 UT) on 31 May 2002. The WXM flight localization software produced a valid location in spacecraft (relative) coordinates. However, since no on-board real-time star camera aspect was available, an absolute localization could not be disseminated. A preliminary localization was reported as a GCN Position Notice at 01:54:22 UT, 88 min after the burst. Further ground analysis produced a refined localization, which can be expressed as a 90% confidence rectangle that is 67 arcminutes in RA and 43 arcminutes in Dec (90% confidence region), centered at RA = +15$^{\rm h}$ 14$^{\rm m}$ 45$^{\rm s}$, Dec = -19$^\circ$ 21\arcmin 35\arcsec (J2000). An IPN localization of the burst was disseminated 18 hours after the GRB (Hurley et al. 2002b). A refined IPN localization was disseminated $\approx$ 5 days after the burst. This hexagonal-shaped localization error region is centered on RA = 15$^{\rm h}$ 15$^{\rm m}$ 03.57$^{\rm s}$, -19$^\circ$ 24\arcmin 51.00\arcsec (J2000), and has an area of $\approx$ 22 square arcminutes (99.7% confidence region). The prompt localization of this short, hard GRB by \HETE and the anti-Sun pointing of the \HETE instruments, coupled with the refinement of the localization by the IPN, has made possible rapid follow-up observations of the burst at radio, optical, and X-ray wavelengths.
dc.description13 pages, 7 figures. Submitted to ApJ
dc.identifierhttps://arxiv.org/abs/astro-ph/0206151
dc.identifierhttp://arxiv.org/abs/astro-ph/0206151
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/4560
dc.subjectAstrophysics
dc.titleHETE-2 Localization and Observations of the Short, Hard Gamma-Ray Burst GRB020531
dc.typetext

Files

Collections

arXiv