GRB 210807A: Tautenburg observations
Abstract
We observed the field of GRB 210807A (Lien et al., GCN 30600) with the Tautenburg 1.34m Schmidt telescope equipped with the TAUKAM 6kx6k CCD camera. Observations started at 23:19 UT on August 7, about 13 hours after the GRB trigger. For the optical afterglow (Lien et al., GCN 30600; Hu et al., GCN 30602; LaPorte et al. GCN 30618) we measure the following magnitudes: r = 21.66 +/- 0.18, at a midtime of August 7, 23:28 UT, i = 21.25 +/- 0.19, at a midtime of August 8, 01:16 UT, z = 20.52 +/- 0.19, at a midtime of August 8, 01:26 UT. Second-epoch observations were performed the following night. The optical transient was not detected anymore: r 22.2, at a midtime of August 8, 23:34 UT, i 22.4, at a midtime of August 9, 00:38 UT, z 21.2, at a midtime of August 9, 01:20 UT. Given magnitudes are calibrated against the Pan-STARRS catalogue.
- Publication:
-
GRB Coordinates Network
- Pub Date:
- August 2021
- Bibcode:
- 2021GCN.30628....1S