Name
ref2slit -- offset star at REF onto slit at (x,y)
Purpose
Put the star at the REF pointing origin onto the slit at
the specified pixel location on the DEIMOS CCD mosaic.
Usage
ref2slit x y
Arguments
x = column number of slit center [px, DEIMOS pane coordinate system]
y = row number of slit center [px, DEIMOS pane coordinate system]
Output
To stdout
Restrictions
- Should only be used for slits visible on the guider,
since it will not place targets precisely and does not
account for the gaps in the DEIMOS mosaic.
Exit values
0 = normal completion
1 = wrong number of arguments
Example
1) To move a star onto a slit at DEIMOS mosaic pane coordinates
x=4975, y=2117, first put the star at REF and then type
ref2slit 4975 2117
See Also
The shell script ref2slit
DEIMOS script index
Go to:
DEIMOS Home Page -
Instruments Home Page -
Keck Home Page
Last modified: Fri Aug 26 22:03:41 2005