fits_ccddata_writer¶
- astropy.nddata.fits_ccddata_writer(ccd_data, filename, hdu_mask='MASK', hdu_uncertainty='UNCERT', hdu_flags=None, key_uncertainty_type='UTYPE', **kwd)[source]¶
Write CCDData object to FITS file.
- Parameters
- filename
python:str
Name of file.
- hdu_mask, hdu_uncertainty, hdu_flags
python:str
orpython:None
, optional If it is a string append this attribute to the HDUList as
ImageHDU
with the string as extension name. Flags are not supported at this time. IfNone
this attribute is not appended. Default is'MASK'
for mask,'UNCERT'
for uncertainty andNone
for flags.- key_uncertainty_type
python:str
, optional The header key name for the class name of the uncertainty (if any) that is used to store the uncertainty type in the uncertainty hdu. Default is
UTYPE
.New in version 3.1.
- kwd :
All additional keywords are passed to
astropy.io.fits
- filename
- Raises
ValueError
If
self.mask
is set but not anumpy.ndarray
.If
self.uncertainty
is set but not aStdDevUncertainty
.If
self.uncertainty
is set but has another unit thenself.data
.
NotImplementedError
Saving flags is not supported.