Keyword Position Type Description
------- -------- ---- -----------
NEW - LOGICAL Choose a new PSF.
Hidden default = NO
PSF 1 CHAR PSF type.
MASK 2 CHAR Mask type for analytical PSFs.
AUX 3 CHAR Auxilliary info. eg mask width.
BGND - REAL Value of background in data units per
data pixel.
Default = !
BGNDERR - REAL Error on BGND value.
Default = 0.0
PMAX - REAL Max value for centre of PSF.
Hidden default = !