LIGO/Virgo/KAGRA S231020ba: Coverage and upper limits from MAXI/GSC observations
Abstract
We examined MAXI/GSC all-sky X-ray images (2-20 keV) after compact binary merger candidate S231020ba at 2023-10-20 14:29:47.000 UTC (GCN #34852). At the trigger time of S231020ba, the high-voltage of MAXI/GSC was off, and it was turned on at T0+1153 sec (+19.2 min). The first one-orbit (92 min) scan observation with GSC after the event covered 90% of the 90% credible region of the bayestar skymap from 14:51:52 to 16:00:18 UTC (T0+1325 to T0+5431 sec). No significant new source was found in the region in the one-orbit scan observation. A typical 1-sigma averaged upper limit obtained in one scan observation is 20 mCrab at 2-20 keV. If you require information about X-ray flux by MAXI/GSC at specific coordinates, please contact the submitter of this circular by email.
- Publication:
-
GRB Coordinates Network
- Pub Date:
- October 2023
- Bibcode:
- 2023GCN.34854....1K