{
  "eventId": "GRB 260120A",
  "circularId": 43505,
  "body": "Hao-Xuan Guo, Chen-Wei Wang, Shao-Lin Xiong (IHEP) report on behalf of GECAM team:\n\nGECAM-B was triggered in-flight by GRB 260120A, at 2026-01-20T04:01:55.800 UTC (denoted as T0), which is also detected by Fermi/GBM (Fermi GBM team, GCN #43467).\n\nAccording to the GECAM-B light curves in about 70-6000 keV, this burst mainly consists of multiple pulses with a duration (T90) of 2.3 +1.1/-0.7 s.\n\nThe GECAM-B light curve can be found here:\nhttps://www.bursthub.cn//admin/static/gecambgrb260120A.png\n\nGravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) mission originally consists of two micro-satellites (GECAM-A and GECAM-B) launched in Dec. 2020. As the third member of GECAM constellation, GECAM-C was launched onboard SATech-01 experimental satellite in July 2022. GECAM mission is funded by the Chinese Academy of Sciences (CAS).",
  "format": "text/plain",
  "submittedHow": "web",
  "subject": "GRB 260120A: GECAM-B observation",
  "bibcode": "2026GCN.43505....1G",
  "createdOn": 1769182763124,
  "submitter": "guohx@ihep.ac.cn"
}