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 1051

GRB 010222 /corrections to VBT data
2001-04-27T09:23:31Z (23 years ago)
SG Bhargavi at Indian Inst of Astrophysics <>
R Cowsik and SG Bhargavi (IIA Bangalore, India) report:

Results of  observations of afterglow of GRB 010222
obtained from 2.34-m VBT are as follows:

Feb 24.977    600s  I 20.8 +- 0.2  **
Feb 24.9924   600s  R 21.405 +/- 0.17
Feb 25.9816   900s  I 21.42 +/-0.18
Feb 25.9955   900s  R 21.99  +/-0.13
Feb 28.9014   1200s  R  >22.1
Feb 28.9257   2400s  R  >22.1
Mar 1.9319    1800s  R  >21.9
** It may be noted that some of these are the final numbers and
those quoted in Table.1 in astroph/0104363 (Cowsik et al.)
were priliminary. 
Further details on measurements on these data may  be obtained from Bhargavi
(2001; Ph D thesis).

We acknowledge S Ambika and K Jayakumar for observations.
This messge may be cited.
Looking for U.S. government information and services? Visit