Skip to main content
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 7234

Subject
GRB 080129: TAROT La Silla observatory optical observations
Date
2008-01-29T12:29:15Z (16 years ago)
From
Alain Klotz at CESR-CNRS <Alain.Klotz@free.fr>
Klotz, A. (CESR-OMP), Boer M. (OHP), Atteia J.L. (LATT-OMP) report:

We imaged the field of GRB 080129 detected by SWIFT
(trigger 301981) with the TAROT robotic telescope (D=25cm)
located at the European Southern Observatory,
La Silla observatory, Chile.

The observations started 352.7s after the GRB trigger
(270.9s after the notice). The elevation of the field decreased from
from 42 degrees above horizon and weather conditions
were good.

The date of trigger : t0 = 2008-01-29T06:06:45.216

The fiirst image is 90.0s exposure in tracking mode.
We do not detect any OT with a limiting magnitude of:
t0+352.7s to t0+442.7s : R > 16.4

We co-added a series of exposures:
t0+448.5s to t0+1039.0s : R > 18.3

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

N.B. Galactic coordinates are lon=220.9983 lat= -1.4244
and the galactic extinction in R band is about 9 magnitudes
estimated from D. Schlegel et al. 1998ApJ...500..525S.

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