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GCN Circular 9242

GRB 090423: Y-band field calibration update/correction
2009-04-25T02:31:03Z (15 years ago)
Myungshin Im at Seoul Nat U <>
M. Im, Y. Jeon, C. Choi, W. Park, I. Lee Seoul National Univ),
  Y.-B. Jeon (KASI) and Y. Urata (NCU) on behalf of EAFON team.

  The Y-band calibration data reported earlier by Im et al.
  (GCN 9221) have been updated with a revised zero point,
  and the catalog now includes more objects.

  The updated field calibration data are available
  at the same location as before:

  We thank the LOAO operator, J. Yoon for his assistance for this
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