healpy.sphtfunc.map2alm_spin

healpy.sphtfunc.map2alm_spin(maps, spin, lmax=None, mmax=None)

Computes the spinned alm of a 2 Healpix maps.

Parameters:
mlist of 2 arrays

list of 2 input maps as numpy arrays

spinint

spin of the alms

lmaxint, scalar, optional

Maximum l of the power spectrum. Default: 3*nside-1

mmaxint, scalar, optional

Maximum m of the alm. Default: lmax

Returns:
almslist of 2 arrays

list of 2 alms

Warning

Previously, spin=0 was an invalid parameter value, and silently returned undefined results.