GCN Circular 2577

GRB040422 : I-band follow-up observation at Lulin Observatory

M.K.Yang, K.Y.Huang, W.H. Ip (NCU)
Y. Urata and T. Tamagawa (RIKEN) report:

" We observed the whole field of INTEGRAL error circle of GRB040422
with 1-m telescope at Lulin Observatory at 16.5 UT April 22 ( about
9.6 hr after the burst). There are four images taken at I band images with
exposure time 300 sec.

  There are no new source was found by comparing DSS-II I band
image. The limiting magnitude is 19.7 mag ( SN=3, with USNO-A2.0 red
magnitude).

  This message may be cited "