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GCN Circular 8583

Subject

Swift Trigger 335971 is probably not a real source

Date

2008-11-30T17:15:12Z (16 years ago)

From

Jay R. Cummings at NASA/GSFC/Swift <jayc@milkyway.gsfc.nasa.gov>

J. Cummings (NASA/GSFC/UMBC), J. Mao (INAF-OAB)
on behalf of the Swift science team.

Ground analysis of BAT event data from trigger 335971 shows a weak
image peak and a weak excess in the light curve on the interval T0
to T+60 sec, 15-50 kev. We cannot confirm nor completely rule out a
legitimate source. The best ground-derived position is
RA, Dec 324.330, +21.498, which is

    RA(J2000) = 21h 37m 19.2s
    Dec(J2000) = +21d 30' 51"

with an uncertainty radius of 3 arcmin (90% confidence, stat+sys).

XRT data show no sources within the BAT error circle.