*tvlabel, xexamine* -- sky coordinates from a displayed image

This will calculate coordinates from header information (therefore epoch 1950 for Einstein, epoch 2000 for ROSAT) and will present coordinates in hms,dms.

  st> xray
  xr> xplot
  xp> tvlabel ``xdata$rp110590n00.qp[block=10]''

d for coordinates at cursor position.

Type <ctrl>d in the display window to quit.

or

  xp> xexamine ``xdata$rp110590n00.qp''
   c  for sky coordinates at cursor position
   q  to quit

xexamine has many additional options, ``?'' lists them (see §
refxexamine).