TITLE:   GCN CIRCULAR
NUMBER:  20341
SUBJECT: Fermi GBM trigger 504490076/161227005 is not a GRB
DATE:    16/12/27 02:12:48 GMT
FROM:    C. Michelle Hui at MSFC/Fermi-GBM  <c.m.hui@nasa.gov>

C. M. Hui (MSFC) reports on behalf of the Fermi GBM Team:

The Fermi Gamma-ray Burst Monitor (GBM) trigger
504490076/161227005 at 00:07:52.81 UT on 27 December 2016,
tentatively classified as a GRB, is in fact not due to a GRB.
This trigger is due to local particles.