TITLE: GCN CIRCULAR NUMBER: 26456 SUBJECT: LIGO/Virgo S191216ap: no INTEGRAL observation DATE: 19/12/16 22:27:22 GMT FROM: Diego Gotz at CEA D. Gotz (AIM/DAp CEA Saclay, France), A. Lutovinov (IKI, Russia) V. Savchenko, C. Ferrigno (ISDC/UniGE, Switzerland) S. Mereghetti (INAF IASF-Milano, Italy) A. Coleiro (APC, France) on behalf of the INTEGRAL multi-messenger collaboration report: https://www.astro.unige.ch/cdci/integral-multimessenger-collaboration At the time of LIGO/Virgo S191216ap event (GCN 26454) INTEGRAL was at its perigee, and its instruments were turned off. No INTEGRAL coverage is thus available for LIGO/Virgo S191216ap.