[vsnet-grb-info 24455] LIGO/Virgo S191222n: not observable by Fermi-GBM

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  26554
SUBJECT: LIGO/Virgo S191222n: not observable by Fermi-GBM
DATE:    19/12/22 14:27:01 GMT
FROM:    Rachel Hamburg at UAH  <rkh0007 at uah.edu>

R. Hamburg (UAH) reports on behalf of the Fermi-GBM Team and the
GBM-LIGO/Virgo group:

At the time of S191222n (GCN 26543), Fermi was passing through the South
Atlantic Anomaly from 17.8 minutes prior to 9.3 minutes after the trigger
time; therefore the GBM detectors were disabled.