TITLE:   GCN CIRCULAR
NUMBER:  24065
SUBJECT: LIGO/Virgo S190408an: Fermi GBM Observation
DATE:    19/04/08 21:00:15 GMT
FROM:    C. Michelle Hui at MSFC/Fermi-GBM  <c.m.hui@nasa.gov>

C. M. Hui (NASA/MSFC)

reports on behalf of the Fermi-GBM Team and the GBM+LIGO/Virgo Working Group:



At the time of S190408an, Fermi was passing through

the South Atlantic Anomaly from 14 minutes prior to 15 minutes after

the trigger time; therefore the GBM detectors were disabled.