org.minetti.astrodevice.common.coordinate.system
Class EquatorialCoordinates

java.lang.Object
  org.minetti.astrodevice.common.coordinate.system.EquatorialCoordinates

All Implemented Interfaces:

Serializable

public final class EquatorialCoordinates
extends Object
implements Serializable

Immutable object representing the equatorial coordinates of a celestial position.

Author:

Jean-Philippe MINETTI

See Also:

Serialized Form

Constructor Summary

EquatorialCoordinates(Coordinate rightAscension, Coordinate declination)
Constructor.

Method Summary

boolean	equals(Object obj)
Coordinate	getDeclination() Returns the declination δ of the celestial position.
Coordinate	getRightAscension() Returns the right ascension α of the celestial position.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

EquatorialCoordinates

public EquatorialCoordinates(Coordinate rightAscension,
                             Coordinate declination)

Constructor.

Parameters:

rightAscension - Right ascension α of the celestial position in hours (h).

declination - Declination δ of the celestial position in degrees (°).

Method Detail

getRightAscension

public Coordinate getRightAscension()

Returns the right ascension α of the celestial position. The range of values is 0 to 24h.

Returns:

Right ascension α of the celestial position in hours (h).

getDeclination

public Coordinate getDeclination()

Returns the declination δ of the celestial position. The range of values is:

• 0 to +90° for north hemisphere,
• 0 to -90° for south hemisphere.

Returns:

Declination δ of the celestial position in degrees (°).

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object