{
  "bibcode": "2008GCN..7611....1O",
  "body": "S. R. Oates and M. Stamatikos report on behalf of the Swift/UVOT team.\n\nThe Swift/UVOT began settled observations of the field of GRB 080413B 135s\nafter the BAT trigger (Stamatikos et al., GCN 7598). We detect the \nafterglow\nin the 7 UVOT filters at the position:\n\nRA(J2000.0)  =  21:44:34.65\nDEC(J2000.0) = -19:58:52.40\n\nwith an estimated uncertainty of 0.5 arcsec (radius, 90% confidence). \nThis position is\nconsistent with the refined XRT position and the GROND optical position \n(Kruehler et al., GCN 7599).\n\nThe magnitudes are reported below:\n\nFilter    T_Mid(s)   Expo(s)               Magnitude\n-------------------------------------------------------\nWhite       184       98                 16.67 � 0.02\nWhite       740       10                 17.67 � 0.15\nv           440       393                17.64 � 0.10\nv           1183      393                18.64 � 0.22\nb           727       10                 18.82 � 0.71\nu           796       19                 17.67 � 0.27\nw1          682       19                 17.42 � 0.27\nm2          810       19                 18.07 � 0.47\nw2          762       19                 17.92 � 0.36\n-------------------------------------------------------\n\nThe above magnitudes are not corrected for the Galactic extinction \ncorresponding to a\nreddening of E_{B-V} = 0.04 mag (Schlegel et al., 1998, ApJS, 500, 525). \nThe photometry\nis on the UVOT flight system described in Poole et al. \n(2008,MNRAS,383,627).",
  "circularId": 7611,
  "createdOn": 1208119080000,
  "email": "sro@mssl.ucl.ac.uk",
  "subject": "GRB080413B",
  "submitter": "Samantha Oates at MSSL  <sro@mssl.ucl.ac.uk>",
  "eventId": "GRB 080413B"
}