query_disc

lsst.pipe.tasks.associationUtils.query_disc(nside, ra, dec, max_rad, min_rad=0)

Get the list of healpix indices within max_rad, min_rad given in radians around ra,dec given in degrees

Parameters:

nside : int

Resolution of the healpixels to search/return.

ra : float

RA in degrees.

dec : float

Declination in degrees

max_rad : float

Max distance in radians to search nearby healpixels.

min_rad : float, optional

Minimum distance in radians to search healpixels. Default = 0.