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

GCN Circular 2970

Subject
GRB050123: optical limit 1.8h before GRB
Date
2005-01-24T09:33:35Z (20 years ago)
From
Grzegorz Wrochna at Soltan Inst.for Nuclear Studies <wrochna@fuw.edu.pl>
M.Cwiok, K.Krupska, K.Kwiecinska, L.Mankiewicz, K.Nawrocki,
B.Pilecki, L.W.Piotrowski, G.Pojmanski, M.Sokolowski, D.Szczygiel,
G.Wrochna, on behalf of "Pi of the Sky / ASAS" collaboration
http://grb.fuw.edu.pl

The GRB 050123 (GCN 2966) error box was observed by "Pi of the Sky"
apparatus at Las Campanas Observatory at 8:35 UT, i.e. 1h 48min
before the GRB. 3 exposures, 10s each, have been taken by 2 cameras.
No new object has been found within the HETE error box.
The limiting magnitude on 3 coadded frames is 12m (unfiltered).
Questions or comments?
Contact GCN directly.
Have you found a bug in GCN?
Open an issue.
Want to contribute code to GCN?
Get involved on GitHub.

gcn.nasa.gov

A service of the Astrophysics Science Division at NASA Goddard Space Flight Center

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