NOTE: uvot_fluxes_wget.pl vrs. 2024-08-27 fem at 251027d18h04m27s431971usUT NOTE: Source region spec. is: 133.228 -6.258 3" NOTE: Used archived BAT position of 133.22800 -6.25800 NOTE: position reference is GCN_FOM_Notice WARNING: t_start for light curve (783272634) and t_start from the exposure report (0) do not agree. Replace ??? in draft Circular with correct value. =========== Draft Upper Limit Circular ======== GRB ??????: Swift/UVOT Upper Limits ***UBS*** (***INSTITUTION***) and ***BA*** (***BA INSTITUTION***) report on behalf of the Swift/UVOT team: The Swift/UVOT began settled observations of the field of GRB ?????? ***???*** s after the BAT trigger (***Author*** et al., GCN Circ. ????). No optical afterglow consistent with the BAT position *** POSITION REFERENCE is GCN_FOM_Notice *** is detected in the initial UVOT exposures. Preliminary 3-sigma upper limits using the UVOT photometric system (Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the initial exposures are: Filter T_start(s) T_stop(s) Exp(s) Mag white 783273423 783274205 769 >21.4 v 783274213 783274334 119 >18.7 u 783272634 783273416 769 >20.4 The magnitudes in the table are not corrected for the Galactic extinction due to the reddening of E(B-V) = ???? in the direction of the burst (Schlegel et al. 1998).