Added WCSDIM == 1 constraint to wcs1d loader

astropy · Aug 1, 2019 · 0e0edb7 · 0e0edb7
1 parent 798bad4
commit 0e0edb7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/specutils/io/default_loaders/wcs_fits.py b/specutils/io/default_loaders/wcs_fits.py
@@ -22,6 +22,7 @@ def identify_wcs1d_fits(origin, *args, **kwargs):
             os.path.splitext(args[0].lower())[1] == '.fits' and
             # check if number of axes is one
             fits.getheader(args[0])['NAXIS'] == 1 and
+            fits.getheader(args[0])['WCSDIM'] == 1 and
             # check if CTYPE1 kep is in the header
             'CTYPE1' in fits.getheader(args[0])
             )