{
  "eventId": "LIGO/Virgo/KAGRA S250704ab",
  "submittedHow": "web",
  "bibcode": "2025GCN.40937....1N",
  "format": "text/plain",
  "body": "H. Negoro, M. Nakajima, K. Takagi (Nihon U.),\nN. Kawai, T. Mihara, (RIKEN),\nS. Sugita, M. Serino, Y. Kawakubo, H. Hiramatsu, Y. Kondo (AGU)\nreport on behalf of the MAXI team:\n\nWe examined MAXI/GSC all-sky X-ray images (2-20 keV)\nafter compact binary merger candidate S250704ab at 2025-07-04 04:30:48.040 UTC (GCN #40935).\n\nAt the trigger time of S250704ab, the high-voltage of MAXI/GSC was on,\nbut the FOV was out of the 90% credible region of the bayestar skymap.\nThe first one-orbit (92 min) scan observation with GSC after the event covered 86%\nof the 90% credible region of the bayestar skymap from 05:48:11 to 06:01:46 UTC (T0+4643 to T0+5458 sec).\n\nNo significant new source was found in the region in the one-orbit scan observation.\nA typical 1-sigma averaged upper limit obtained in one scan observation\nis 20 mCrab at 2-20 keV.\n\nIf you require information about X-ray flux by MAXI/GSC at specific coordinates,\nplease contact the submitter of this circular by email.",
  "circularId": 40937,
  "subject": "LIGO/Virgo/KAGRA S250704ab: Coverage and upper limits from MAXI/GSC observations",
  "submitter": "Yuta Kawakubo at Aoyama Gakuin University <kawakubo@phys.aoyama.ac.jp>",
  "createdOn": 1751611761270
}