galpy.util.bovy_coords.lb_to_radec¶
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galpy.util.bovy_coords.
lb_to_radec
(l, b, degree=False, epoch=2000.0)¶ NAME:
lb_to_radecPURPOSE:
transform from Galactic coordinates to equatorial coordinatesINPUT:
l - Galactic longitude
b - Galactic lattitude
degree - (Bool) if True, l and b are given in degree and ra and dec will be as well
epoch - epoch of ra,dec (right now only 2000.0 and 1950.0 are supported when not using astropy’s transformations internally; when internally using astropy’s coordinate transformations, epoch can be None for ICRS, ‘JXXXX’ for FK5, and ‘BXXXX’ for FK4)
OUTPUT:
ra,dec
For vector inputs [:,2]
HISTORY:
2010-04-07 - Written - Bovy (NYU)
2014-06-14 - Re-written w/ numpy functions for speed and w/ decorators for beauty - Bovy (IAS)
2016-05-13 - Added support for using astropy’s coordinate transformations and for non-standard epochs - Bovy (UofT)