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GCN Circular 17014

Subject
GRB 141031B: Bassano Bresciano Observatory upper limit
Date
2014-11-01T07:20:56Z (10 years ago)
From
Ulisse Quadri at Bassano Bresciano Obs <oabb@ulisse.bs.it>
U.Quadri, L.Strabla and R.Girelli report:

We imaged the field of GRB 141031B detected by SWIFT(trigger 617149)
with the robotic telescope of (IAU station 565) Bassano Bresciano 
Observatory, Italy (member of ISSP:Italian Supernovae Search Project)

The observations started 2.16 hour after the GRB trigger, at the end of twilight, 
with our schmidt telescope D=320/400 mm F/D=3.1.

Weather conditions were good.

We did not found any optical counterpart
in the error box of the XRTcandidate.
(B.P. Gompertz (U Leicester) et al, GCN 16998)

Start T0+      End T0+      Vlim
2.16 hour     4.48 hour      18

Magnitudes were estimated with the USNO-B1.0 cat. 
and are not corrected for galactic dust extinction.

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