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GCN Circular 23910

GRB 190219A: NEXT-0.6m optical upper limit
2019-02-20T07:41:53Z (5 years ago)
Dong Xu at NAOC/CAS <>
Z.P. Zhu, D. Xu, B.Y. Yu (NAOC), J.H. Liu (XAO) report:

We observed the field of GRB 190219A (Beardmore et al., GCN 23902) using 
the NEXT-0.6m telescope located at Nanshan, Xinjiang, China. We obtained 
10x90s frames in the R filter, started at 19:57:52 UT on 2019-02-19, 
i.e., 18.43 min after the burst.

No optical source is detected at the XRT position (Beardmore et al., GCN 
23902 & 23907) in our stacked image, down to a 3 sigma limiting 
magnitude of R~17.5.
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