TITLE: GCN CIRCULAR NUMBER: 16682 SUBJECT: GRB 140808A: Confirmation of the Swift-XRT afterglow DATE: 14/08/11 16:07:54 GMT FROM: Kim Page at U.of Leicester K.L. Page (U. Leicester) and S.B. Cenko (NASA/GSFC) report on behalf of the Swift-XRT team: In GCN Circ. 16670, Page et al. reported the detection of an X-ray source coincident with the iPTF optical source suggested to be the afterglow of Fermi GRB 140808A (Singer et al., GCN Circ. 16668; Zhang, GCN Circ. 16669). Starting 224 ks after the Fermi trigger, a second epoch of XRT data was collected. The X-ray source is now no longer detected, having faded below a 3-sigma upper limit of 2.46 x 10^-3 count s^-1 (0.3-10 keV). We therefore confirm that this is the X-ray afterglow of GRB 140808A. This circular is an official product of the Swift-XRT team.