IPN triangulation of GRB 220609B
Abstract
The long-duration GRB 220609B (CALET-CGBM detection: Asaoka et al., GCN Circ 32185; AstroSat-CZTI detection: Gopalakrishnan et al., GCN Circ 32186) has been detected by Konus-Wind, CALET (CGBM), AstroSat (CZTI), INTEGRAL (SPI-ACS), Mars-Odyssey (HEND), BepiColombo (MGNS), and GECAM-B, so far, at about 44473 s UT (12:21:13). We have triangulated it to a preliminary, 3 sigma error box whose coordinates are:
--------- RA(2000), deg Dec(2000), deg ------------------------ Center: 347.791 (23h 11m 10s) +0.385 ( +0d 23' 05") Corners: 348.003 (23h 12m 01s) -0.627 ( +0d 37' 39") 347.702 (23h 10m 49s) +0.442 ( +0d 26' 31") 347.634 (23h 10m 32s) +1.229 ( +1d 13' 46") 347.880 (23h 11m 31s) +0.327 ( +0d 19' 37") --------------------------------------------- The error box area is 515 sq. arcmin, and its maximum dimension is 1.9 deg (the minimum one is 8.4 arcmin). The Sun distance was 89 deg. This box may be improved. A triangulation map and HEALPix FITS file are posted at http://www.ioffe.ru/LEA/GRBs/GRB220609_T44473/IPN/ The Konus-Wind time history and spectrum will be given in a forthcoming GCN Circular.- Publication:
-
GRB Coordinates Network
- Pub Date:
- June 2022
- Bibcode:
- 2022GCN.32190....1K