{
  "bibcode": "2011GCN.11936....1P",
  "body": "T.A. Pritchard (PSU) and R. L. C. Starling (U Leicester)\nreport on behalf of the Swift/UVOT team:\n\nThe Swift/UVOT began settled observations of the field of GRB 110414A\n151 s after the BAT trigger (Starling et al., GCN Circ. 11931).\nNo optical afterglow consistent with the XRT position\n(Starling et al., GCN Circ. 11931) is detected in the initial UVOT \nexposures.\n\nPreliminary 3-sigma upper limits using the UVOT photometric system\n(Poole et al. 2008, MNRAS, 383, 627) for the initial exposures are:\n\nFilter         T_start(s)   T_stop(s)      Exp(s)         Mag\n\nwhite_FC           150          300          147        >20.6\nu_FC               308          558          246        >19.4\nwhite              150         1013          334        >21.3\nv                  639          831           39        >18.4\nb                  565          758           39        >18.9\nu                  308          733          265        >19.5\nw1                 689          709           19        >18.5\nm2                 664          856           39        >18.8\nw2                 615          807           39        >19.2\n\nThe values quoted above are not corrected for the Galactic extinction\ndue to the reddening of E(B-V) = 0.33 in the direction of the burst\n(Schlegel et al. 1998).",
  "circularId": 11936,
  "createdOn": 1302822069000,
  "email": "tapritchard@astro.psu.edu",
  "subject": "GRB 110414A: Swift/UVOT Upper limits",
  "submitter": "Tyler Pritchard at PSU  <tapritchard@astro.psu.edu>",
  "eventId": "GRB 110414A"
}