[vsnet-grb-info 24446] LIGO/Virgo S191222n: INTEGRAL was inactive at the time of the event

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  26545
SUBJECT: LIGO/Virgo S191222n: INTEGRAL was inactive at the time of the event
DATE:    19/12/22 05:07:41 GMT
FROM:    Alexander Lutovinov at Space Research Inst.,IKI  <aal at iki.rssi.ru>

Alexander Lutovinov (IKI, Moscow), 
Sandro Mereghetti (INAF IASF-Milano, Italy), 
V. Savchenko, C. Ferrigno (ISDC/UniGE, Switzerland)
J. Rodi (IAPS-Roma, Italy)
A. Coleiro (APC, France)
on behalf of the INTEGRAL multi-messenger collaboration:
https://www.astro.unige.ch/cdci/integral-multimessenger-collaboration

The INTEGRAL spacecraft has a highly elliptical orbit and the
instruments are not acquiring science data during perigee passage,
every 2.6 days to prevent radiation-induced damages. Unfortunately, at
the time of the S191222n (2019-12-22 03:35:37, GCN26543) the spacecraft
was preparing to the start the observations after the perigee passage
between the orbits number 2173 and 2174 and no scientific instrument
data are available between 2019-12-21T18:45:19 and
2019-12-22T10:44:07.