TITLE: GCN CIRCULAR NUMBER: 40732 SUBJECT: GRID detection of GRB 250612C DATE: 25/06/15 16:40:18 GMT FROM: GRID Student Team at Tsinghua University grid@tsinghua.edu.cn

Zirui Yang, Longhao Li and Chenyu Wang report on behalf of the GRID Collaboration:

GRID-11B reports the detection of the GRB 250612C, which was also detected by Fermi/GBM (GCN Circular 40704) and SVOM/GRM (GCN Circular 40708).

The event was triggered with GRID on 2024-06-12 at 14:53:16 UTC. The measured burst duration (T90) is approximately 2.6 ± 0.9 seconds.

The GRID light curve of this event can be found at https://mirrors.tuna.tsinghua.edu.cn/GRID/data/GRID-GCN/GRB250612C/GRID_GRB2....

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: https://doi.org/10.1007/s10686-019-09636-w and https://doi.org/10.1007/s10686-021-09819-4.

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