Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 14890

GRB 130612A: ISON-NM optical observations
2013-06-12T21:13:30Z (11 years ago)
Alexei Pozanenko at IKI, Moscow <>
L. Elenin (KIAM), A. Volnova (IKI), V. Savanevych (KNURE), A. 
Bryukhovetskiy (NSFCTC), I. Molotov (KIAM), A. Pozanenko (IKI) report on 
behalf of  larger GRB follow-up collaboration:

We observed of  the field of  the Swift GRB 130612A (Racusin et al., GCN 
14874)  with 0.45-m telescope of ISON-NM observatory starting on June, 
12 (UT) 04:06:14. Series of 30 s exposures were obtained in clear 
filter. In the combined images we detected afterglow (Racusin et al., 
GCN 14874; Melandri et al., GCN14875) in coordinates (J2000) 17 19 10.63 
+16 43 12.0. Preliminary photometry  is based  on the USNO-B1.0 
1067-0299350 star assuming R=18.92.

UT start,           T0+    Filter Exposure, OT
                     mid,d         s

2013-06-12T04:06:14 0.0305 none  30*30      20.75 +/- 0.15
2013-06-12T04:29:28 0.0466 none  30*30      21.25 +/- 0.20
Looking for U.S. government information and services? Visit