[AAVSO-HEN] Swift trigger on 4U 1700-377 while star tracker loss-of-lock

[grb at aavso.org]

The following is a GCN Circular circulated via the AAVSO network.
For an archive and more information on circulars visit:
http://lheawww.gsfc.nasa.gov/docs/gamcosray/legr/bacodine/gcn3_archive.html

TITLE:   GCN CIRCULAR
NUMBER:  6715
SUBJECT: Swift trigger on 4U 1700-377 while star tracker loss-of-lock
DATE:    07/08/07 21:14:31 GMT
FROM:    Scott Barthelmy at NASA/GSFC  <scott at lheamail.gsfc.nasa.gov>

J. Cummings (NASA/UMBC), S. D. Barthelmy (GSFC),
M. M. Chester (PSU), N. Gehrels (NASA/GSFC),
C. Guidorzi (Univ Bicocca&INAF-OAB), J. A. Kennea (PSU),
V. La Parola (INAF-IASFPA), V. Mangano (INAF-IASFPA),
C. B. Markwardt (CRESST/GSFC/UMD), D. M. Palmer (LANL),
G. Sato (GSFC/ISAS), B. Sbarufatti (INAF-IASFPA),
M. Stamatikos (NASA/ORAU), E. Troja (INAF-IASFPA),
T. N. Ukwatta (GSFC/GWU), D. E. Vanden Berk (PSU) and
S. D. Vergani (DIAS-DCU) report on behalf of the Swift Team:

At 21:01:01 UT, the Swift Burst Alert Telescope (BAT) triggered
on the 4U 1700-377 source while the Star Tracker had lost lock
(trigger #287221).  This is not a GRB, nor is it anything 
astrophysically interesting.