{
  "bibcode": "2015GCN.17352....1T",
  "body": "T. Takagi (RIKEN), S. Nakahira (JAXA), M. Serino (RIKEN), H. Negoro (Nihon U.),\nS. Ueno, H. Tomida, M. Kimura, M. Ishikawa, Y. E. Nakagawa (JAXA),\nT. Mihara, M. Sugizaki, M. Morii, J. Sugimoto, A. Yoshikawa, M. Matsuoka (RIKEN),\nN. Kawai, T. Yoshii, Y. Tachibana (Tokyo Tech),\nA. Yoshida, T. Sakamoto, Y. Kawakubo, H. Ohtsuki (AGU),\nH. Tsunemi, D. Uchida (Osaka U.),\nM. Nakajima, K. Fukushima, T. Onodera, K. Suzuki, T. Namba, M. Fujita, F. Honda (Nihon U.),\nY. Ueda, M. Shidatsu, T. Kawamuro, T. Hori (Kyoto U.),\nY. Tsuboi, A. Kawagoe (Chuo U.),\nM. Yamauchi, Y. Morooka, D. Itoh (Miyazaki U.),\nK. Yamaoka (Nagoya U.)\nreport on behalf of the MAXI team:\n\nThe MAXI/GSC nova alert system triggered an uncatalogued X-ray transient \nsource at 21:03:24 UT.\nAssuming that the source flux was constant over the transit,\nwe obtain the source position at\n(R.A., Dec) = (350.503 deg, -12.368 deg) = (23 22 00, -12 22 04) (J2000)\nwith a statistical 90% C.L. elliptical error region\nwith long and short radii of 0.56 deg and 0.46 deg respectively.\nThe roll angle of long axis from the north direction is 145.0 deg \ncounterclockwise.\nThere is an additional systematic uncertainty of 0.1 deg (90% containment \nradius).\nThe X-ray flux averaged over the scan was 55 +- 17 mCrab\n(4-10keV, 1 sigma error).\nThere was no significant excess flux in the previous transit at UT 19:30\nand in the next transit at 22:35 UT with an upper limit of 20 mCrab for \neach.\n\nThis position is about 2 degree from the position of the Fermi trigger \n#443998238. Considering the Fermi detection, the transit time, and the spectral\nsoftness, the source is likely to be the afterglow of the GRB triggered\nby Fermi.",
  "circularId": 17352,
  "createdOn": 1422323670000,
  "email": "motoko@crab.riken.jp",
  "subject": "GRB 150126A: MAXI/GSC afterglow candidate detection",
  "submitter": "Motoko Suzuki at RIKEN  <motoko@crab.riken.jp>",
  "eventId": "GRB 150126A"
}