{
  "bibcode": "2021GCN.29284....1Y",
  "body": "S. Yamada (Kyoto U.), H. Negoro (Nihon U.), M. Serino (AGU),\nM. Nakajima, M. Aoki, K. Kobayashi, R. Takagi, K, Asakura, K, Seino (Nihon U.),\nT. Mihara, T. Tamagawa, M. Matsuoka (RIKEN),\nT. Sakamoto, S. Sugita, H. Nishida, K. Komachi, A. Yoshida (AGU),\nY. Tsuboi, W. Iwakiri, R. Sasaki, H. Kawai, Y. Okamoto, S. Kitakoga (Chuo U.),\nM. Shidatsu (Ehime U.), N. Kawai, R. Adachi, M. Niwano, R. Hosokawa (Tokyo Tech),\nS. Nakahira, Y. Sugawara, S. Ueno, H. Tomida, M. Ishikawa, M. Tominaga, T. Nagatsuka (JAXA),\nY. Ueda, S. Ogawa, K. Setoguchi, T. Yoshitake, U. Goto, R. Uematsu (Kyoto U.),\nH. Tsunemi (Osaka U.), M. Yamauchi, K. Kurogi, K. Miike (Miyazaki U.), \nT. Kawamuro (NAOJ),\nK. Yamaoka (Nagoya U.), Y. Kawakubo (LSU), M. Sugizaki (NAOC)\nreport on behalf of the MAXI team:\n\nThe MAXI/GSC nova alert system triggered a bright uncatalogued X-ray \ntransient source at UT 15:14:40 on 2021 January 10.\nAssuming that the source flux was constant over the transit,\nwe obtain the source position at\n(R.A., Dec) = (172.727 deg, -41.315 deg) = (11 30 54, -41 18 52) (J2000)\nwith a 90% C.L. statistical error of 0.30 deg and an additional \nsystematic uncertainty of 0.1 deg (90% containment radius).\nThe X-ray flux averaged over the scan was 127 +- 25 mCrab\n(4.0-10.0keV, 1 sigma error).\nThere was no significant excess flux in the previous transit at 13:41 UT\nand in the next transit at 16:47 with an upper limit of 20 mCrab for each.",
  "circularId": 29284,
  "createdOn": 1610298016000,
  "email": "motoko@crab.riken.jp",
  "subject": "GRB 210110A: MAXI/GSC detection",
  "submitter": "Motoko Serino at RIKEN/MAXI  <motoko@crab.riken.jp>",
  "eventId": "GRB 210110A"
}