{
  "bibcode": "2000GCN...740....1Z",
  "body": "S. Zharikov, H. Plana, G. Tovmassian (Observatorio Astronomico Nacional\nIA UNAM, Ensenada, Mexico), J. Greiner (AIP, Potsdam, Germany) report:\n\n\" We have obtained two R-band (1200s and 600s) images of the GRB 000620\noptical candidate (Bartolini et al., GNC737) field with the 1.5-m\ntelescope on July 1.17.\nPhotometric calibration was performed using PG1633+099BCD Landolt stars.\n\nThe R magnitude of object is 20.34+/-0.08. This object is visible on a\nlimit of DSS\nalso.\n  We obtained  two R-band (600s, 600s) images of the VLA radio source\n(E. Berger (Caltech) and D. A. Frail (NRAO) et al. GNC 738) also. A\nfaint object at the radio position is presented on DSS but no detected\ndown to R~21.5.\"\n\nThis message can be cited.\n\n[GCN OPS NOTE (01Jul00):  This message was received at 07:51 UT 01 Jul.\nHowever, it was sent to only the scott@milkyway account and not to the\ngcncirc@lheawww.gsfc.nasa.gov account.  Hence the delay in distribution.]",
  "circularId": 740,
  "createdOn": 962462886000,
  "email": "zhar@astrosen.unam.mx",
  "subject": "GRB000630, optical observations",
  "submitter": "Sergej Zharikov at OAN IA UNAM  <zhar@astrosen.unam.mx>",
  "eventId": "GRB 000630"
}