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GCN Circular 36661

Subject
GRB 240607A: GECAM detection of a bright long burst
Date
2024-06-11T16:27:47Z (2 days ago)
From
wenlongzhang2018@163.com
Via
Web form
Wen-Long Zhang, Shao-Lin Xiong and Wen-Jun Tan report on behalf of the GECAM team:

GECAM-C detected a long burst, GRB 240607A, at 2024-06-07T11:01:14.31 UTC (T0), which was also detected by Fermi/GBM (GCN #36634), AstroSat-CZTI (GCN #36638), Konus-Wind (GCN #36659) . 

According to the GECAM-C light curve, this burst shows multiple pulses with a total duration of ~30 sec.

We note that these results are very preliminary. Refined analysis will be reported later.

Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) mission originally consists of two microsatellites (GECAM-A and GECAM-B) launched in December 2020. As the third member of GECAM constellation, GECAM-C was launched onboard SATech-01 experimental satellite in July 2022. GECAM mission is funded by the Chinese Academy of Sciences (CAS).
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