--- header unit 0: primary ---
SIMPLE = T / conforms to FITS standard
BITPIX = 8 / array data type
NAXIS = 0 / number of array dimensions
EXTEND = T
--- header unit 1: binary table ---
XTENSION = 'BINTABLE' / binary table extension
BITPIX = 8 / array data type
NAXIS = 2 / number of array dimensions
NAXIS1 = 24 / length of dimension 1
NAXIS2 = 43374 / length of dimension 2
PCOUNT = 0 / number of group parameters
GCOUNT = 1 / number of groups
TFIELDS = 3 / number of table fields
TTYPE1 = 'source_id'
TFORM1 = 'K'
TTYPE2 = 'J0870_xpsp'
TFORM2 = 'D'
TTYPE3 = 'J0870_err'
TFORM3 = 'D'