Package uk.ac.starlink.pal

Class AMParams

  • public class AMParams
extends java.lang.Object
    Star-independent mean-to-apparent parameters

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method 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
      java.lang.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 java.lang.String toString()
        Get string representation apparent parameters
        Overrides:
        toString in class java.lang.Object
        Returns:
        String representation