GCN Circular 27884
Subject
GRB 200529A: Swift/UVOT Upper Limits
Date
2020-06-03T01:43:27Z (4 years ago)
From
Kira Simpson at PSU <kira.simpson1984@gmail.com>
GRB 200529A: Swift/UVOT Upper Limits
K. K. Simpson (PSU) and V. D'Elia (SSDC)
report on behalf of the Swift/UVOT team:
The Swift/UVOT began settled observations of the field of GRB 200529A
195 s after the BAT trigger (D'Elia et al., GCN Circ. 27845).
No optical afterglow consistent with the optical position
(Malesani et al. GCN Circ. 27846)
is detected in the initial UVOT exposures.
Preliminary 3-sigma upper limits using the UVOT photometric system
(Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the first
finding chart (FC) exposure and subsequent exposures are:
Filter T_start(s) T_stop(s) Exp(s) Mag
white_FC 216 360 142 >19.8
white 216 360 142 >19.8
v 195 3771 209 >19.1
b 4392 4495 102 >19.5
u 4187 4386 197 >19.7
w1 3982 4182 197 >19.0
m2 3777 3977 197 >20.2
The magnitudes in the table are not corrected for the Galactic extinction
due to the reddening of E(B-V) = 0.29 in the direction of the burst
(Schlegel et al. 1998).