To use check_vig

Login in odyssey4 as VLTI
Go in the directory Shadow
 type > idl

at the prompt IDL_VLTI > 
type 
IDL_VLTI > check_vig
USE:
check_vig stat1,stat22,ra,dec,date,time(UT),exptime(min)
EXAMPLE:
-----------------------------------------------------------------
check_vig, 'A1','E2',[18,17,37],[-36,45,40],[2003,09,23],[1,20],60.
-----------------------------------------------------------------

then use:
check_vig, 'A1','E2',[18,17,37],[-36,45,40],[2003,09,23],[1,20],60.
 add keyword /norun if you joust want to plot the position of the the star and you do not want to run the issshadow program..


