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GCN Circular 7358

Subject
GRB 080303: Rapid PROMPT Detections
Event
GRB 080303
Date
2008-03-03T22:16:57Z (18 years ago)
From
Mark Schubel at UNC/PROMPT <mschubel@physics.unc.edu>
M. Schubel, T. Brennan, D. Reichart, M. Nysewander, A. LaCluyze, K. Ivarsen, J. A. Crain, A. Foster, J. Haislip, J. Styblova, and A. Trotter report:

Skynet observed the localization of GRB 080303 (Sakamoto et al., GCN 7351) with two of the 16" PROMPT telescopes at CTIO beginning 45 seconds after the burst (30 seconds after notification) in VRI.

We detect the afterglow (D'Avanzo et al., GCN 7350) in R and I.  At 182 seconds after the burst we measure I ~ 16.2 mag, and at 242 seconds we measure R ~ 17.0 mag (calibrated to 5 USNO B1 stars).
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