update(filename, data, *args, **kwargs)
File to update. If opened, mode must be update (rb+). An opened file object or GzipFile
object will be closed upon return.
The new data used for updating.
The header associated with data
. If :None:None:`None`, an appropriate header will be created for the data object supplied.
The rest of the arguments are flexible: the 3rd argument can be the header associated with the data. If the 3rd argument is not a Header
, it (and other positional arguments) are assumed to be the extension specification(s). Header and extension specs can also be keyword arguments. For example:
update(file, dat, hdr, 'sci') # update the 'sci' extension update(file, dat, 3) # update the 3rd extension update(file, dat, hdr, 3) # update the 3rd extension update(file, dat, 'sci', 2) # update the 2nd SCI extension update(file, dat, 3, header=hdr) # update the 3rd extension update(file, dat, header=hdr, ext=5) # update the 5th extension
Any additional keyword arguments to be passed to astropy.io.fits.open
.
Update the specified extension with the input data/header.
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