sncosmo.read_snana_fits¶
- sncosmo.read_snana_fits(head_file, phot_file, snids=None, n=None)[source]¶
Read the SNANA FITS format: two FITS files jointly representing metadata and photometry for a set of SNe.
- Parameters:
- head_filestr
Filename of “HEAD” (“header”) FITS file.
- phot_filestr
Filename of “PHOT” (“photometry”) FITS file.
- snidslist of str, optional
If given, only return the single entry with the matching SNIDs.
- nint
If given, only return the first
n
entries.
- Returns:
- snelist of
Table
Each item in the list is an astropy Table instance.
- snelist of
Notes
If
head_file
contains a column ‘SNID’ containing strings, leading and trailing whitespace is stripped from all the values in that column.If
phot_file
contains a column ‘FLT’, leading and trailing whitespace is stripped from all the values in that column.Examples
>>> sne = read_snana_fits('HEAD.fits', 'PHOT.fits') >>> for sn in sne: ... sn.meta # Metadata in an OrderedDict. ... sn['MJD'] # MJD column