TITLE: GCN CIRCULAR NUMBER: 35657 SUBJECT: IPN triangulation of GRB 240124B DATE: 24/02/02 14:26:58 GMT FROM: Anna Ridnaia at Ioffe Institute ridnaia@mail.ioffe.ru
A. Ridnaia, D. Frederiks, D. Svinkin, A. Lysenko, and T. Cline on behalf of the Konus-Wind team,
E. Bozzo and C. Ferrigno, on behalf of the INTEGRAL SPI-ACS GRB team,
S. Barthelmy, J. Cummings, H. Krimm, D. Palmer, and A. Tohuvavohu on behalf of the Swift-BAT team,
and
G. Waratkar (IITB), J.Joshi (IUCAA), A. Vibhute (IUCAA), V. Bhalerao (IITB), D. Bhattacharya (Ashoka University/IUCAA), A. R. Rao (IUCAA/TIFR), and S. Vadawale (PRL) on behalf of the Astrosat-CZTI team,
report:
The long-duration GRB 240124B (AstroSat CZTI detection: Joshi et al., GCN 35636) was detected by Konus-Wind, INTEGRAL (SPI-ACS), Swift (BAT), and AstroSat (CZTI) at about 76474 s UT (21:14:34). The burst was outside the coded field of view of the BAT.
We have triangulated this GRB to the following annuli: --------------------------------------------------- annulus R.A. Dec. R dR (3sigma) (deg) (deg) (deg) (deg) --------------------------------------------------- Konus-SPI-ACS 114.536 21.719 79.082 2.281 Konus-BAT 112.129 19.162 79.550 1.622 ---------------------------------------------------
The annuli combined with the KW ecliptic latitude response give 254.7 sq.deg (3 sigma) localization region.
A triangulation map and HEALPix FITS file are posted at http://www.ioffe.ru/LEA/GRBs/GRB240124_T76473/IPN
The Konus-Wind time history and spectrum will be given in a forthcoming GCN Circular.
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