[vsnet-grb-info 6295] TLS I-Band Observation of GRB 080701A

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  7917
SUBJECT: TLS I-Band Observation of GRB 080701A
DATE:    08/07/01 22:28:54 GMT
FROM:    Andrea Rossi at TLS Tautenburg  <rossi at tls-tautenburg.de>

Rossi, A. (TLS Tautenburg), Gonsalves, E. (U. Dartmouth), Schulze, S. (TLS  
Tautenburg), Klose, S. (TLS  Tautenburg), Filgas, R. (TLS  Tautenburg), 
and Ludwig, F. (TLS  Tautenburg) 
report on behalf of a larger collaboration:

We observed the X-ray error circle of the Swift GRB 080701A (Evans, P. A. 
et al., GCN 7914; Stroh, M. C. et al., GCN 7910) with the TLS 1.34m Schmidt 
telescope under good  observing conditions (seeing is about 1-2 arcsec and 
very good visibility). We obtained in total 10 x 150 sec images starting at 
21:02 UT and 5 x 300 sec images starting at 21:40 UT in the I band. We did 
not find any new source in the stacked image down to the 3-sigma limiting 
magnitude of 21.7 mag calibrated on USNO-B1 field.

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