add_astrometry¶
-
msumastro.header_processing.astrometry.
add_astrometry
(filename, overwrite=False, ra_dec=None, note_failure=False, save_wcs=False, verify=None, try_builtin_source_finder=False, custom_sextractor=False, odds_ratio=None, astrometry_config=None)[source]¶ Add WCS headers to FITS file using astrometry.net
Parameters: overwrite : bool, optional
Set
True
to overwrite the original file. If False, the file astrometry.net generates is kept.ra_dec : list or tuple of float or str
(RA, Dec) of field center as either decimal or sexagesimal; also limits search radius to 1 degree.
note_failure : bool, optional
If
True
, create a file with extension “failed” if astrometry.net fails. The “failed” file contains the error messages genreated by astrometry.net.try_builtin_source_finder : bool
If true, try using astrometry.net’s built-in source extractor if sextractor fails.
save_wcs :
verify :
Returns: bool
True
on success.Notes
Tries a couple strategies before giving up: first sextractor, then, if that fails, astrometry.net’s built-in source extractor.
It also cleans up after astrometry.net, keeping only the new FITS file it generates, the .solved file, and, if desired, a ”.failed” file for fields which it fails to solve.
For more flexible invocation of astrometry.net, see
call_astrometry()