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GCN Circular 6126

Subject
GRB 070223: MDM Observations
Date
2007-02-23T02:57:25Z (17 years ago)
From
Nestor Mirabal at Columbia U <mirabal@astro.columbia.edu>
N. Mirabal and J. P. Halpern (Columbia U.) report
on behalf of the MDM Observatory GRB follow-up team:

"We have observed the Swift location of GRB 070223 (Vetere et al.,
GCN 6125) with the MDM 1.3m telescope at a mean epoch
Feb. 23, 02:18 UT (~1 hr post-burst). Inside the XRT error circle,
we find no new optical sources to preliminary limiting
magnitudes R > 20.3, I > 20.0. Observations are ongoing.

This message may be cited."
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