{
  "submitter": "Jin-Ye Luo <jy_luo2002@163.com>",
  "format": "text/plain",
  "submittedHow": "web",
  "subject": "GRB 260831A: GECAM-B observation",
  "eventId": "GRB 260831A",
  "createdOn": 1788448335263,
  "eventType": [
    "GRB",
    "Gamma-ray Transient"
  ],
  "circularId": 45502,
  "body": "Jin-Ye Luo, Chen-Wei Wang, Yue Wang, Chao Zheng, Zheng-Hang Yu, Shao-Lin Xiong (IHEP) report on behalf of GECAM team: \n\nGECAM-B was triggered in-flight by GRB 260831A at 2026-08-31T04:09:02.000 UTC (denoted as T0), which is also detected by Fermi/GBM (Fermi GBM team, GCN #45473).\n\nAccording to the GECAM-B light curves in about 70-6000 keV, this burst mainly consists of a single pulse with a duration (T90) of 4 +2/-2 s.\n\nThe GECAM-B light curve can be found here:\nhttps://www.bursthub.cn/gcn/2026/gecambgrb260831A.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).\n"
}