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

GCN Circular 11292

Subject
GRB 100915A: TAROT Calern observatory optical observations
Date
2010-09-19T07:42:30Z (14 years ago)
From
Alain Klotz at CESR-CNRS <Alain.Klotz@free.fr>
Klotz A. (CESR-OMP), Gendre B. (IASF),
Boer M. (OHP-OAMP), Atteia J.L. (LATT-OMP) report:

We imaged the field of GRB 100915A detected by SWIFT
(trigger 434178) with the TAROT robotic telescope (D=25cm)
located at the Calern observatory, France.

The observations started 97s after the GRB trigger
(20s after the notice). The elevation of the field decreased from
47 degrees above horizon and weather conditions
were good.

The first image is trailed with a duration of 60.0s
(see the description in Klotz et al., 2006, A&A 451, L39).
Time sampling is 10 seconds / pixel.
We do not detect any OT with a limiting magnitude of:
t0+97s to t0+157s : R > 17.2

We co-added a series of exposures:
t0+174s to t0+394s : R > 19.0

Magnitudes were estimated with the nearby USNO-B1 stars
and are not corrected for galactic dust extinction.

This message may be cited.
Looking for U.S. government information and services? Visit USA.gov