FK5

class astropy.coordinates.FK5(*args, **kwargs)[source] [edit on github]

Bases: astropy.coordinates.BaseCoordinateFrame

A coordinate or frame in the FK5 system.

Note that this is a barycentric version of FK5 - that is, the origin for this frame is the Solar System Barycenter, not the Earth geocenter.

Parameters:

representation : BaseRepresentation or None

A representation object or None to have no data (or use the other keywords)

ra : Angle, optional, must be keyword

The RA for this object (dec must also be given and representation must be None).

dec : Angle, optional, must be keyword

The Declination for this object (ra must also be given and representation must be None).

distance : Quantity, optional, must be keyword

The Distance for this object along the line-of-sight. (representation must be None).

equinox : Time, optional, must be keyword

The equinox of this frame.

Attributes Summary

default_representation
equinox
frame_attributes
frame_specific_representation_info
name

Attributes Documentation

default_representation
equinox = <Time object: scale='utc' format='jyear_str' value=J2000.000>
frame_attributes = OrderedDict([('equinox', <astropy.coordinates.baseframe.TimeFrameAttribute object at 0x7faa1b690fd0>)])
frame_specific_representation_info
name = 'fk5'