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 `FK4NoETermCoordinates` and used as this : coordinate. : |
---|
Attributes Summary
equinox | |
obstime | |
lonangle | |
latangle |
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
|
---|---|
Returns : | newcoord : FK4NoETermCoordinates
|