[vsnet-grb-info 9954] GRB 101117B: Swift/UVOT Discovery of an Optical Afterglow

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  11412
SUBJECT: GRB 101117B: Swift/UVOT Discovery of an Optical Afterglow 
DATE:    10/11/17 19:42:13 GMT
FROM:    Stephen Holland at USRA/NASA/GSFC/SSC  <Stephen.T.Holland at nasa.gov>

Stephen Holland (CRESST/USRA/GSFC) reports,
on behalf of the UVOT Team

     The Swift/UVOT source list has an uncatalogued source at the location of
the XRT afterglow (Wolf et al. 2010, GCNC 1141).  Preliminary photometry
indicates an approximate white magnitude of 18.2.