uk.ac.starlink.pal

Class AMParams

java.lang.Object

uk.ac.starlink.pal.AMParams

public class AMParams
extends Object

Star-independent mean-to-apparent parameters

Method Summary

Modifier and Type	Method and Description
double[]	getBary() Get barycentric position of the Earth
double[]	getEarthv() Get barycentric Earth velocity
double	getGrad() Get gravitational radius of Sun
double[]	getHelio() Get heliocentric direction of the Earth
double[][]	getPrecess() Get precession/nutation matix
double	getRoot() Get square root of ( 1 - |v x v| )
double	getTimeint() Get time interval for proper motion
void	setBary(double[] b) Set barycentric position of the Earth
void	setEarthv(double[] bev) set barycentric Earth velocity
void	setGrad(double g) Set gravitational radius of Sun
void	setHelio(double[] h) Set heliocentric direction of the Earth
void	setPrecess(double[][] p) Get precession/nutation matix
void	setRoot(double sqrt) Set square root of ( 1 - |v x v| )
void	setTimeint(double t) set time interval for proper motion
String	toString() Get string representation apparent parameters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getTimeint

public double getTimeint()

Get time interval for proper motion

Returns:

Time interval (Julian years)

getBary

public double[] getBary()

Get barycentric position of the Earth

Returns:

Barycentric position of the Earth (AU) [3]

getHelio

public double[] getHelio()

Get heliocentric direction of the Earth

Returns:

Heliocentric direction of the Earth (unit vector) [3]

getGrad

public double getGrad()

Get gravitational radius of Sun

Returns:

(Gravitational radius of Sun) x 2 / (Sun-earth distance)

getEarthv

public double[] getEarthv()

Get barycentric Earth velocity

Returns:

Barycentric Earth velocity in units of c [3]

getRoot

public double getRoot()

Get square root of ( 1 - |v x v| )

Returns:

Square root of ( 1 - |v x v| )

getPrecess

public double[][] getPrecess()

Get precession/nutation matix

Returns:

Precession/nutation matix [3][3]

setTimeint

public void setTimeint(double t)

set time interval for proper motion

Parameters:

t - Time interval (Julian years)

setBary

public void setBary(double[] b)

Set barycentric position of the Earth

Parameters:

b[3] - Barycentric position of the Earth (AU)

setHelio

public void setHelio(double[] h)

Set heliocentric direction of the Earth

Parameters:

h[3] - Heliocentric direction of the Earth (unit vector)

setGrad

public void setGrad(double g)

Set gravitational radius of Sun

Parameters:

g - (Gravitational radius of Sun) x 2 / (Sun-earth distance)

setEarthv

public void setEarthv(double[] bev)

set barycentric Earth velocity

Parameters:

bev[3] - barycentric Earth velocity in units of c

setRoot

public void setRoot(double sqrt)

Set square root of ( 1 - |v x v| )

Parameters:

sqrt - Square Root of ( 1 - |v x v| )

setPrecess

public void setPrecess(double[][] p)

Get precession/nutation matix

Parameters:

p[3][3] - Precession/nutation matix

toString

public String toString()

Get string representation apparent parameters

Overrides:

toString in class Object

Returns:

String representation