{
  "bibcode": "2017GCN.20836....1T",
  "body": "Natalia Tyurina (Main MASTER telegram editor, Lomonosov Moscow State \nUniversity)\n\nV.M.Lipunov, E. Gorbovskoy, V.G.Kornilov, D.Kuvshinov,\nP.Balanutsa, A.Kuznetsov, V.V.Chazov, A.V.Krylov, I.Gorbunov\nLomonosov Moscow State University,\nSternberg Astronomical Institute, Moscow State University\n\nD.Buckley\nSouth African Astronomical Observatory\n\nV.Yurkov, A. Gabovich, Yu.Sergienko\nBlagoveschensk Educational State University, Blagoveschensk\n\nA. Tlatov, V.Senik, D. Dormidontov, A.V. Parhomenko,\nKislovodsk Solar Station of the Pulkovo Observatory\n\nN.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk, O. Ershova, K.Ivanov, S.Yazev\nIrkutsk State University\n\nR. Podesta, Carlos Lopez and Federico Podesta\nObservatorio Astronomico Felix Aguilar (OAFA)\n\nHugo Levato and Carlos Saffe\nInstituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)\n\nR. Rebolo, M. Serra, N. Lodieu, G. Israelian\nThe Instituto de Astrofisica de Canarias\n\n\nMASTER-SAAO  robotic telescope (MASTER-Net: \nhttp://observ.pereplet.ru) located in SAAO was pointed to the \nSWIFT-BAT 741567 trigger   106 sec after \ntrigger time at 2017-03-08 03:32:39 UT. On our 1-th (100s exposure) \nset we  found 1 optical transient within SWIFT error-box (ra=260.067 \ndec=-24.8406 r=0.1)\n\n\n  T-Tmid      Date      Time       Expt.        Ra                Dec           Mag\n---------|---------------------|-------|-----------------|-----------------|-------\n      542   2017-03-08 03:32:39     100   (17h 20m 04.16s , -24d 47m 28.8s)     14.02\n\nThe 5-sigma upper limit has been about 17.4 mag\n\nThere is USNO-B1 red star with R1=15.96,R2=17.44,B2=19.79,I=12.42, \n(J-K)=2.1\nWe have reference unfiltered image in MASTER-OAFA (Argentina) m = 16.6 . \nThe detection images and reference image are available at\nmaster.sai.msu.ru/static/OT/MASTEROTJ172004.16-244728.8.jpg\n\nThe message may be cited.",
  "circularId": 20836,
  "createdOn": 1488962486000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "Swift trigger 741567: MASTER red star flare detection",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>"
}