TITLE: GCN CIRCULAR NUMBER: 37006 SUBJECT: Fermi GBM trigger 744179961 / 240801194 can not be confirmed as a GRB DATE: 24/08/01 22:54:08 GMT FROM: sumanbala2210@gmail.com

S. Bala (USRA) reports on behalf of the Fermi-GBM Team:

AstroSat CZTI detected GRB 240801B at 2024-08-01 04:39:49.5 UTC (GCN 36996). There was a Fermi-GBM onboard trigger (744179961 / 240801194) due to a solar flare around 2024-08-01 04:39:16.781 UTC. Due to the extreme solar flare flux we can not confirm the presence of any GRB.

The on-ground calculated location of the peak identified by AstroSat, using the Fermi GBM trigger data, is RA = 124.41, Dec = 13.21 (J2000 degrees, equivalent to J2000 8h 17m, 13d 12') with a statistical uncertainty of 1 degrees. The localization is found to be close to the position of the Sun (RA = 131.531, Dec = 17.97). As the source is highly contaminated by the solar flare flux, the background and the localization is uncertain.

The angle from the Fermi LAT boresight is 71 degrees.

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