DEIMOS user script ref2slit

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