GCN Circular 7217
Subject
GRB 080121: Swift/UVOT upper limits
Event
Date
2008-01-25T14:06:29Z (18 years ago)
From
Antonino Cucchiara at PSU <cucchiara@astro.psu.edu>
A. Cucchiara (PSU), P. Schady (MSSL)
report on behalf of the Swift-UVOT team:
The Swift/UVOT observed the field of GRB080121 (trigger #301491)
starting 2.3 days after the BAT detection (J. R. Cummings et
al. 2008, GCN Circ. 7209). We do not find any new source in any
of the UVOT coadded observations inside the BAT error circle.
The 3-sigma upper limits (in the UVOT photometric system,
Breeveld et al., GCN Circ. 6614) are listed.
Filter Tstart Exp Magnitude
(s)
white 2.3 days 2015 >22.25
v 2.3 days 2268 >20.73
uvm2 3.4 days 1491 >21.13
The values quoted above are not corrected for the expected Galactic
extinction corresponding to a reddening of E_{B-V} = 0.02 mag in the
direction of the burst (Schlegel et al. 1998).