{
  "bibcode": "1998GCN...148....1S",
  "body": "The faintest GRB host galaxy?\n\nV. Sokolov, S. Zharikov (SAO-RAS), E. Palazzi (ITeSRE-CNR),\nL. Nicastro (IFCAI-CNR) and the SAX-GRB team report:\n\n\"On 1998 July 23.85 UT and 24.96 UT we obtained a deep Rc band image of\nthe field of the GRB 980519 optical transient (Jaunsen et al. GCN #78)\nwith the 6-m BTA telescope of SAO-RAS. The total observing time was 9600 s\nwith 600 s per exposure.  Conditions were photometric with an average seeing\nof 1.20 arcsec. A faint extended source is clearly detected at the position\nof the OT. Due to the faintness of the object, we are not able to check\nif between the two nights there was any luminosity variation.\nThe object magnitude was the same within the errors,\nand the photometry of the GRB 980519 OT in 2.5 arcsec diameter aperture\nwas made by two observational nights and gave Rc = 26.05 +/- 0.22.\nFor photometric calibration we used the secondary standards from\nHenden et al. (GCN #96).\n\nFrom the time of optical observations of GRB980519 OT with Keck and Palomar\n(GCN #88) in the R band\nthe assumed power-law decline slope of -1.98 (GCN #79) would make the OT\nundetectable at the epoch of our observations.\nSo, we conclude that the OT has stopped its power law decay a long time ago,\nand the observable now extended object is the host galaxy of GRB 980519 and\nit could be the faintest among those known up today.\n\nImages of the field will be posted at\nhttp://www.sao.ru/~zhar/home/GRB/980519.html\n\nThis message can be cited.\"",
  "circularId": 148,
  "createdOn": 901728936000,
  "email": "sokolov@sao.ru",
  "subject": "GRB980519, Optical Observations",
  "submitter": "Vladimir Sokolov at SAO RAS  <sokolov@sao.ru>",
  "eventId": "GRB 980519"
}