{
  "bibcode": "2026GCN.43317....1L",
  "submitter": "Xinghao Luo at IHEP <2952704891@qq.com>",
  "circularId": 43317,
  "format": "text/plain",
  "editedBy": "Judith Racusin at NASA/GSFC <judith.racusin@nasa.gov> on behalf of Xinghao Luo at IHEP <2952704891@qq.com>",
  "subject": "GRB 260103A: GECAM-B observation of a burst",
  "submittedHow": "web",
  "editedOn": 1767542735789,
  "body": "Xing-Hao Luo, Chen-Wei Wang, Shao-Lin Xiong, Yue Huang (IHEP) report on behalf of GECAM team:\n\nGECAM-B was triggered in-flight by GRB 260103A, at 2026-01-03T01:46:53.950 UTC (denoted as T0), which is also detected by SVOM/GRM (Chen-Wei Wang et.al., GCN #43314).\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  9.0 +7.0/-3.6 s.\n\nThe GECAM-B light curve can be found here:\nhttps://www.bursthub.cn//admin/static/gecambgrb260103A.png\n\nGECAM-B on-ground localization of this burst is (J2000): \nRa: 269.0 deg \nDec: 46.7 deg\nErr: 4.6 deg (1-sigma, statistical only)\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\n",
  "version": 2,
  "eventId": "GRB 260103A",
  "createdOn": 1767517157507
}