[vsnet-grb-info 16703] Fermi Gamma-ray Burst Monitor Trigger bn150628857 is not a GRB

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  17984
SUBJECT: Fermi Gamma-ray Burst Monitor Trigger bn150628857 is not a GRB
DATE:    15/06/30 16:05:25 GMT
FROM:    Binbin Zhang at UAH  <binbin.zhang at uah.edu>

Bin-Bin Zhang (UAH) reports on behalf of the Fermi GBM Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger bn150628857  at
20:33:39.177 UT on 28 June 2015, tentatively classified as a GRB, is in
fact not due to a GRB. This trigger is due to particle activity."