The following describes the most significant changes which occurred in the
AST library between versions V4.2 and V4.3:
- The
astGetFitsS
function now strips trailing white space from the returned string, if the
original string contains 8 or fewer characters
- The SpecFrameSpecFrame class has a new attribute called SourceSysSourceSys that specified
whether the SourceVelSourceVel attribute (which specifies the rest frame of the
source) should be accessed as an apparent radial velocity or a redshift.
Note, any existing software that assumes that SourceVel always represents
a velocity in km/s should be changed to allow for the possibility of
SourceVel representing a redshift value.