Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
Introducing Einstein Probe, Astro Flavored Markdown, and Notices Schema v4.0.0. See news and announcements

GCN Circular 29604

GRB 210306A: Tautenburg observations
2021-03-06T17:15:56Z (3 years ago)
Sylvio Klose at TLS Tautenburg <>
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 

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.
Looking for U.S. government information and services? Visit