Bases: astropy.coordinates.coordsystems.SphericalCoordinatesBase
A coordinate in the FK4 system.
Parameters: | coordstr : str ra : Angle, float, int, str
dec : Angle, float, int, str
distance : Distance, optional x : number y : number z : number cartpoint : CartesianPoints
unit :
equinox : Time, optional
obstime : Time or None
Alternatively, a single argument that is any kind of spherical coordinate : can be provided, and will be converted to `FK4` and used as this : coordinate. : |
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Attributes Summary
dec | |
equinox | |
obstime | |
ra |
Methods Summary
precess_to(newequinox) | Precesses the coordinates from their current equinox to a new equinox. |
Attributes Documentation
Methods Documentation
Precesses the coordinates from their current equinox to a new equinox.
Parameters: | newequinox : Time
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Returns: | newcoord : FK4
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