try plugging in arbitrary zeropoint if MAGZERO header missing

legacysurvey · Apr 27, 2016 · 268c23c · 268c23c
1 parent 572f51b
commit 268c23c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/py/legacypipe/image.py b/py/legacypipe/image.py
@@ -641,7 +641,7 @@ def run_se(self, surveyname, imgfn, maskfn):
         from astrometry.util.file import trymakedirs
         # grab header values...
         primhdr = self.read_image_primary_header()
-        magzp  = primhdr['MAGZERO']
+        magzp  = primhdr.get('MAGZERO', 25.)
         seeing = self.pixscale * self.fwhm
         print('FWHM', self.fwhm, 'pix')
         print('pixscale', self.pixscale, 'arcsec/pix')