[vsnet-grb-info 2186] INT 2.5m limit for GRB050922B

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  4025
SUBJECT: INT 2.5m limit for GRB050922B
DATE:    05/09/23 11:06:37 GMT
FROM:    Martin Jelinek at Inst.Astrophys.Andalucia,Granada  <mates at asu.cas.cz>

S. Guziy, M. Jelinek, J. Gorosabel, A.J. Castro-Tirado, 
A. de Ugarte Postigo (IAA-CSIC Granada, Spain),
Ernesto Rodriguez Flores (IGA, La Habana, Cuba) and 
K. Vijanen (IAC-CSIC La Laguna, Spain) 

report:

"We have acquired r' image of the GRB 050922B  XRT error box
(Norris et al. GCN 4008) with INT 2.5m telescope at
Observatorio del Roque de los Muchachos on La Palma starting
on September 23.1943 UT (i.e. 0.5678d after the GRB) with 600s
exposure. No sources brighter than r'=22.5 (3-sigma) are
detected within the 8" radius of the XRT error circle"

This message can be cited.