add_external_sources¶
- grizli.prep.add_external_sources(root='', maglim=20, fwhm=0.2, catalog='2mass')[source]¶
Add Gaussian sources in empty parts of an image derived from an external catalog
- Parameters
- rootstr
Root of the drizzled image.
- maglimfloat
Magnitude limit for the external catalog.
- fwhmfloat
FWHM of the Gaussian sources to add.
- catalogstr
External catalog to use. Options are ‘2mass’, ‘panstarrs’, ‘ukidss’, ‘gaia’.
- Returns
- Updates the drizzled image with the added sources.