{
  "bibcode": "2016GCN.19654....1O",
  "body": "S. Oda (Kyoto U), M. Serino, W. Iwakiri (RIKEN), S. Nakahira(JAXA), H. Negoro(Nigon U.)\nS. Ueno, H. Tomida, M. Ishikawa, Y. Sugawara (JAXA), \nT. Mihara, M. Sugizaki, M. Shidatsu, J. Sugimoto, T. Takagi, M. Matsuoka (RIKEN), \nN. Kawai, N. Isobe, S. Sugita, T. Yoshii, Y. Tachibana, Y. Ono, T. Fujiwara (Tokyo Tech), \nA. Yoshida, T. Sakamoto, Y. Kawakubo, Y. Kitaoka (AGU), \nH. Tsunemi, R. Shomura (Osaka U.),  M. Nakajima, K. Tanaka, T. Masumitsu, \nT. Kawase (Nihon U.), Y. Ueda, T. Kawamuro, T. Hori, A. Tanimoto (Kyoto U.), \nY. Tsuboi, Y. Nakamura, R. Sasaki (Chuo U.), M. Yamauchi, K. Furuya (Miyazaki U.),  \nK. Yamaoka (Nagoya U.) report on behalf of the MAXI team:\n\nThe MAXI/GSC nova-alert system triggered a bright uncatalogued X-ray transient \nsource at UT 02:30:12 on 2016 July 05.\nWe obtain a rectangular error box for the transient source with the following corners:\n(116.602 deg, -14.589 deg) = (07 46 24, -14 35 19) (J2000)\n(116.761 deg, -14.453 deg) = (07 47 02, -14 27 09) (J2000)\n(117.580 deg, -15.549 deg) = (07 50 19, -15 32 55) (J2000)\n(117.419 deg, -15.683 deg) = (07 49 40, -15 40 58) (J2000)\nThere is an additional systematic uncertainty of 0.1 deg (90% containment radius).\n\nThe X-ray flux averaged over the scan was 631 +- 46 mCrab\n(4-10keV, 1 sigma error).\nThere was no significant excess flux in the previous transit at 00:57 UT\nand in the next transit at 04:02 UT with an upper limit of 20 mCrab for each.\n\nPreliminary result shows that the MAXI/GSC spectrum is well fitted by a single\npower-law with a photon index of 1.2 (+/- 0.3) (chi^2/d.o.f = 7.15/11) or a \nblackbody model with a temperature of 2.0 (-0.3, +0.4) keV (chi^2/d.o.f = 6.91/11). \nSince the source is located at a relatively low Galactic latitude (b ~ 5 deg) \nand the spectrum can be represented with a ~2 keV blackbody model, we can not \nexclude the possibility that this event is an X-ray burst from a Galactic source.\n\nWe tentatively name the source MAXI J0748-149.",
  "circularId": 19654,
  "createdOn": 1467698575000,
  "email": "motoko@crab.riken.jp",
  "subject": "GRB 160705A/MAXI J0748-149: MAXI/GSC detection",
  "submitter": "Motoko Suzuki at RIKEN  <motoko@crab.riken.jp>",
  "eventId": "GRB 160705A"
}