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GCN Circular 34999

GRB 231111A: GMG observation upper limit
2023-11-12T12:30:52Z (7 months ago)
Jirong Mao at Yunnan Obs <>
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B.-T. Wang, R.-Z. Li, J. Mao, X. Ding, J.-M. Bai report:

We observed the field of GRB 231111A ( Melandri et al. GCN 34981) by the GMG telescope in Yunnan observatories. The observation began from UT 11:29:03 Nov 12, 2023, about 21.2 hours from the trigger. We could not observe the optical afterglow down to a magnitude limit of R~20.7.
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