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 11958

GRB 110422A: Mondy optical observations
2011-04-22T17:25:29Z (13 years ago)
Alexei Pozanenko at IKI, Moscow <>
E. Klunko (ISTP), A. Pozanenko (IKI)  on behalf of  larger GRB follow up 
collaboration report:

We started observation of the field of GRB 110422A (Mangano  et al. GCN 
11957) with AZT-33IK on Apr. 22 (UT) 15:58.    We detected new object, not 
presented in DSS2 in coordinates (J2000) 07 28 10.972 +75 06 24.87 with 
statistical uncertainty of 1" in booth coordinates. The object is close to 
the current XRT position. The first image was unfiltered, while after 
detection we started several series in R-filter. The brightness of the 
object in the first image taken 16 min after burst onset is R=18.3 in 
comparison with nearby USNOB-1.0 field stars. We suggest that the object is 
the afterglow of GRB 110422A.
The finding chart can be found at
Observation is continuing. 

[GCN OPS NOTE(23apr11): Per author's request, Elunko was changed to Klunko.]
Looking for U.S. government information and services? Visit