galpy.util.coords.lb_to_radec¶
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galpy.util.coords.
lbd_to_XYZ
(l, b, d, degree=False)[source]¶ NAME:
lbd_to_XYZPURPOSE:
transform from spherical Galactic coordinates to rectangular Galactic coordinates (works with vector inputs)INPUT:
l - Galactic longitude (rad)
b - Galactic latitude (rad)
d - distance (arbitrary units)
degree - (bool) if True, l and b are in degrees
OUTPUT:
[X,Y,Z] in whatever units d was in
For vector inputs [:,3]
HISTORY:
2009-10-24- Written - Bovy (NYU)
2014-06-14 - Re-written w/ numpy functions for speed and w/ decorators for beauty - Bovy (IAS)