GCN Circular 29604
Subject
GRB 210306A: Tautenburg observations
Event
Date
2021-03-06T17:15:56Z (5 years ago)
From
Sylvio Klose at TLS Tautenburg <klose@tls-tautenburg.de>
B. Stecklum, S. Klose, A. Nicuesa Guelbenzu, S. Melnikov, and S. Hoegner
(all Tautenburg) report:
We observed the field of GRB 210306A (D'Elia et al., GCN 29597) with the
Tautenburg 1.34m Schmidt telescope equipped with the TAUKAM 6kx6k CCD
camera.
Between 4:29 UT and 4:48 UT the afterglow was fading from R=17.33 +/- 0.02
to 17.53 +/- 0.09 mag (Vega), calibrated against the USNO B1 star at R.A.,
Decl. (J2000) = 129.924281, +60.163889 (DS9, R2mag = 15.23) close to the
afterglow position.