IPN triangulation of GRB 250113A

The long-duration GRB 250113A (SVOM-GRM detection: Wang et al., GCN 38923; INTEGRAL-SPI-ACS detection: Barria et al., GCN 38935) was detected by SVOM (GRM), Konus-Wind, INTEGRAL (SPI-ACS), Swift (BAT), and Mars-Odyssey(HEND), at about 23077 s UT (06:24:37). The burst was outside the coded field of view of the BAT. We have triangulated it to a preliminary, 3 sigma error box whose coordinates are: ------------------------------- RA(2000), deg Dec(2000), deg ------------------------------- Corners: 236.558 16.588 236.711 16.218 220.529 -15.743 220.199 -15.607 ------------------------------- The error box area is 12.2 sq. deg, and its maximum dimension is 36.0 deg (the minimum one is 20 arcmin). The Sun distance was 68 deg. This localization may be improved. A triangulation map and HEALPix FITS files are posted at http://www.ioffe.ru/LEA/GRBs/GRB250113_T23073/IPN The HEALPix triangulation maps are in units of probability density. The Konus-Wind time history and spectrum will be given in a forthcoming GCN Circular.