{
  "bibcode": "2009GCN..9278....1R",
  "body": "Rupak Roy, Brajesh Kumar, S. B. Pandey and Brijesh Kumar (ARIES,\nNainiTal, India, on behalf of larger Indian GRB collaboration).\nWe performed BVRI photometric observation of Swift GRB 090424\n(Cannizzo, J. K. et al., GCN 9223) on 24th April, 2009 at 16.7 hrs UT,\nunder moderate sky conditions,\nusing 1.04 m Sampurnanand Optical telescope at ARIES, Nainital. The\nsame field was again observed on next day, about 29 hrs after the\nburst in R and I bands.\nFading nature of the afterglow is clearly visible in all bands. The\nR_c and I_c band magnitudes of OT, with respect to nearby USNO-B1\nstars, are 18.5 +/- 0.05 and 17.8 +/-\n0.06 respectively, measured 2.67 hrs after the burst. Further analysis\nis under progress.",
  "circularId": 9278,
  "createdOn": 1240947304000,
  "email": "rupakroy1980@gmail.com",
  "subject": "GRB 090424 : Multiband Optical observation from Nainital",
  "submitter": "Rupak Roy at ARIES  <rupakroy1980@gmail.com>",
  "eventId": "GRB 090424"
}