TITLE:   GCN CIRCULAR
NUMBER:  27364
SUBJECT: LIGO/Virgo S200311bg: not observable by Fermi GBM
DATE:    20/03/11 16:58:22 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 group:



At the time of S200311bg, Fermi was passing through the South Atlantic Anomaly from 2.9 minutes prior to 24.6 minutes after the trigger time; therefore the GBM detectors were disabled.