toIndex#
- lsst.pipe.tasks.associationUtils.toIndex(nside, ra, dec)#
Return healpix index given ra, dec in degrees
Parameters#
- nside
int Power of 2 nside healpix resolution.
- ra
float RA in degrees.
- dec
float Declination in degrees
Returns#
- index
int Unique healpix pixel ID containing point RA, DEC at resolution nside.
- nside