stripe_to_eta¶
-
pydl.pydlutils.coord.
stripe_to_eta
(stripe)[source]¶ Convert from SDSS great circle coordinates to equatorial coordinates.
- Parameters
- stripe
int
ornumpy.ndarray
SDSS Stripe number.
- stripe
- Returns
float
ornumpy.ndarray
The eta value in the SDSS (lambda,eta) coordinate system.