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GCN Circular 34903

GRID detection of GRB 231020A
2023-10-29T11:39:09Z (7 months ago)
GRID Student Team at Tsinghua University <>
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Chenyu Wang and Zirui Yang report on behalf of the GRID Collaboration:

The long-duration GRB 231020A (Fermi/GBM detection: GCN Circular 34856, AstroSat CZTI detection: GCN Circular 34880) was also detected with GRID-04.

The event was triggered by GRID on 2023-10-20 at 18:56:58 UTC. The measured burst duration (T90) in the 30-2000 keV range is approximately 9.8 +/- 2.0 s seconds.

GRID is a student-led project to monitor the transient gamma-ray sky with multiple detectors onboard different nanosatellites in the era of multi-messenger astronomy. For more information about GRID, please refer to the following references: and
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