cds.astro
Class Equatorial

java.lang.Object
  cds.astro.Astroframe
      cds.astro.Equatorial

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

FK4, FK5

public abstract class Equatorial
extends Astroframe

This abstract class introduces the specificities of the equatorial coordinates.
An equatorial coordinate system is a system linked to the Earth, and therefore varies with the long-term Earth motion (precession). A full definition of this frame therefore requires the knowledge of an Equinox which specifies when exactly this frame coincides with the Earth frame.

Author:

Francois Ochsenbein (CDS)

See Also:

Serialized Form

Field Summary

Fields inherited from class cds.astro.Astroframe

base_epoch, ed_lat, ed_lon, epoch, hms, ICRSmatrix, name, precision

Method Summary

java.lang.String

toString() Edition of Equatorial frame.

Methods inherited from class cds.astro.Astroframe

equals, fromICRS, fromICRS, setFrameEpoch, setICRSmatrix, toICRS, toICRS, toICRSmatrix, toString

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

toString

public java.lang.String toString()

Edition of Equatorial frame.

Overrides:

toString in class Astroframe

Returns:

the name of the Astroframe.