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GCN Circular 23954

GRB 190311A: GMG observation
2019-03-12T05:10:29Z (5 years ago)
Jirong Mao at Yunnan Obs <>
J. Mao, X.-L. Zhang, and J.-M. Bai (YNAO) report: 

We observed the field of GRB 190311A (Troja et al. GCN Circ. 23946) with the 2.4-meter optical telescope at Gao-Mei-Gu (GMG) station of Yunnan Observatories. The observation began at UT 16:15:07, 11, March, 2019, about 2 hours after the trigger. We clearly detected the afterglow (Pozanenko et al. GCN Circ. 23947; Zhu et al. GCN Circ 23948; Belkin et al. GCN Circ. 23951) , and the preliminary magnitude is measured to be R~20.6.
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