{
  "bibcode": "2017GCN.21738....1I",
  "body": "M. Im, C. Choi, G. Lim, J. Kim, H. M. Lee (SNU), M. J. Kim, H. J. Lee\n(KASI) on behalf of the KU collaboration\n\nAt 2017-08-28 11:00 (UT), we continued the observation of MASTER\nOTJ033744.97+723159.0 near NGC 1343 (Lipunov et al. GCN 21719, 21720) with\nthe SQUEAN instrument on the McDonald Observatory���s 2.1m telescope. AB\nmagnitudes before and after the Galactic extinction correction are given\nbelow.\n\nBefore | Extinction | After\n\ng 16.97  1.125  15.85\n\nr  16.49   0.778   15.71\n\ni  16.56    0.578  15.98\n\nThe object has brightened by ~0.2 mag in one day and stayed blue in r-i but\nhas a redder color in g-r (c.f. Lipunov et al. GCN 21736). The brightening\nis consistent with the report that this is a type IIb SN before maximum\n(Jonker et al. GCN 21737).",
  "circularId": 21738,
  "createdOn": 1503972680000,
  "email": "myungshin.im@gmail.com",
  "subject": "LIGO/Virgo G299232: Continued observation of the transient near NGC 1343",
  "submitter": "Myungshin Im at Seoul National U  <myungshin.im@gmail.com>",
  "eventId": "LIGO/Virgo G299232"
}