Robuta

https://gcn.nasa.gov/circulars/26545 GCN - Circulars - 26545 - LIGO/Virgo S191222n: INTEGRAL was inactive at the time of the event https://gcn.nasa.gov/circulars/26557 GCN - Circulars - 26557 - LIGO/Virgo S191222n: no counterpart candidates in the Swift/BAT... https://gcn.nasa.gov/circulars/events/ligovirgo-s191222n?query=191221B GCN - Circulars - Events - LIGO/Virgo S191222n gcn circulars events ligo virgo https://test.gcn.nasa.gov/circulars/26602 GCN - Circulars - 26602 - LIGO/Virgo S191222n: No transient candidates in CALET observations