[vsnet-grb-info 8320] Fermi Gamma-ray Burst Monitor trigger 273123112 is not a GRB

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  9843
SUBJECT: Fermi Gamma-ray Burst Monitor trigger 273123112 is not a GRB
DATE:    09/08/28 16:20:45 GMT
FROM:    Sheila McBreen at MPE  <smcbreen at mpe.mpg.de>

S. McBreen (UCD/MPE) reports on behalf of the Fermi GBM Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 273123112 at
03:31:50.22  UT on 28 August 2009, tentatively classified as a GRB,
is in fact not due to a GRB. This trigger is due to a Terrestrial
Gamma-Ray Flash (TGF)."