[vsnet-grb-info 8501] GRB 090530A: Skynet/DSO Detections
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Mon Oct 12 06:25:11 JST 2009
TITLE: GCN CIRCULAR
NUMBER: 10015
SUBJECT: GRB 090530A: Skynet/DSO Detections
DATE: 09/10/11 21:25:05 GMT
FROM: Aaron LaCluyze at U.North Carolina <lacluyze at physics.unc.edu>
A. Smith, A. LaCluyze, D. Reichart, D. Caton, L. Hawkins, J. Haislip, K.
Ivarsen, A. Foster, J. Moore, A. Oza, M. Schubel, J. Styblova, A. Trotter, J.
A. Crain, and M. Nysewander report:
Skynet observed the Swift/BAT localization of GRB 090530A (Cannizzo et al., GCN
9438) with the 14" Dark Sky Observatory telescope in North Carolina beginning
61.8 minutes after the trigger in RI.
We detect the afterglow (Cannizzo et al., GCN 9438). Stacking only images that
increase the limiting magnitude yields:
mean 1-sig. 1-sig.
time sys. stat.
since cal. cal. cal.
trig. tel. exp. fil. magnitude stars* unc. unc.
(m) (# x s) (mag) (mag)
88.8 DSO-14 20 x 80 I 19.26 +0.32 -0.25 7 SDSS 7 0.050 0.001
102.2 DSO-14 23 x 80 R 19.53 +0.16 -0.14 10 SDSS 7 0.022 0.001
* Transformed using Jester et al., 2005, ApJ, 130, 873.
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