[vsnet-grb-info 3041] GRB 060313: PROMPT Observations

GCN Circulars gcncirc at capella.gsfc.nasa.gov
Tue Mar 14 04:56:17 JST 2006


TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  4878
SUBJECT: GRB 060313: PROMPT Observations
DATE:    06/03/13 19:53:36 GMT
FROM:    Melissa Nysewander at UNC,Chapel Hill  <mnysewan at physics.unc.edu>

M. Nysewander, J. Haislip, D. Reichart, K. Ivarsen, A. LaCluyze, J. A.
Crain, A. Foster, J. Kirschbrown, C. MacLeod, and A. Trotter report on
behalf of the UNC team of the FUN GRB Collaboration:

Skynet observed the localization of GRB 060313 (Pagani et al., GCN 4867)
with two of the 16-inch PROMPT telescopes at CTIO beginning 43.7 min after
the burst in r'i'I.

A preliminary analysis of the data shows the candidate afterglow first
reported by Levan & Hjorth (GCN 4871) to be at r' = 19.9 +- 0.3 and I =
19.7 +- 0.3 at mean times of 1.3 hours and 1.4 hours after the burst.
PROMPT also made a marginal detection (~2 sigma) of i' ~ 20.5 at a mean
time of 1.5 hours after the burst.  We used five calibration stars that
were taken from the USNO-B1.0 and NOMAD catalogues and transformed to the
SDSS filters via Smith et al. 2002.

PROMPT is currently being built and commissioned.




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