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GCN Circular 37672

Subject
GRB 240929A: Liverpool Telescope prompt followup observations
Event
GRB 240929A
Date
2024-10-02T09:05:13Z (a year ago)
From
Cristiano Guidorzi at Ferrara U,Italy <guidorzi@fe.infn.it>
Via
Web form
C. Guidorzi (U. Ferrara), R. Smith (LJMU), A. Gomboc (U. Nova Gorica), C.J. Mottram, I.A. Steele (LJMU) report:

The 2-m robotic Liverpool Telescope automatically started observing with the MOPTOP polarimeter GRB 240929A detected by Fermi, INTEGRAL, SVOM, GRBAlpha (Fermi GBM team, GCN 37627; Mereghetti et al. GCN 37630; SVOM team, GCN 37650; Dafcikova et al., GCN 37657) at 19:54:06 UT, that is 242 s after the Fermi/GBM trigger time. In a 64x4s stacked frame in the MOP-R filter from 242 to 405 s since the Fermi/GBM trigger time, we do not find any uncatalogued object down to R>19.5 mag within the INTEGRAL error circle (Mereghetti et al.), as calibrated against Pan-STARRS catalog field stars.
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