The Neil Gehrels Swift Observatory
uvot

DSS image:
  • BAT/INTEGRAL error region shown as a large red circle
  • XRT error region shown as a small red circle
  • Optical afterglow position indicated by a blue diamond
UVOT image:
  • UVOT afterglow position indicated by a box
    • red for GCN distributed
    • blue/green for candidate from Genie/srclist image