--- header unit 0: primary ---
SIMPLE = T
BITPIX = -32
NAXIS = 1 / Number of axes
NAXIS1 = 256 / Value
BUNIT = 'Data Value'
OBJECT = 'stairs' / Name of ramp
HISTORY intensity ramp converted from: stairs.iasc
HISTORY ---
HISTORY ASCII files taken from the GAIA distribution of STARLINK
HISTORY where they are released under the GNU copyleft
HISTORY (http://star-www.rl.ac.uk/ and http://star-www.dur.ac.uk/~pdraper/)
HISTORY Converted to FITS format using PDL::IO::Misc::wfits
HISTORY on Tue Feb 1 13:20:18 2000
HISTORY Data is stored as a 1D image, as a float (BITPIX=-32),
HISTORY in the range 0 to 1, inclusive.
HISTORY Should have stored as a FITS table, but there is currently no FITS table
HISTORY reader (or writer) in the PDL distribution.