AIPS HELP file for AXREF in 31DEC09
AXREF
Type: Adverb (scalar)
Use: To specify the reference pixel number on a coordinate
axis.
Null value: 0
Verbs:
AXDEFINE...Define new or alter previous axis description.
There is no default for AXREF.
Tasks:
MCUBE......Build an n+1 dimensional image from a set of
n dimensional images. Null value => 1.