Class JSOFA.Astrom

  • Enclosing class:
    JSOFA

    public static class JSOFA.Astrom
    extends java.lang.Object
    Star-independent astrometry parameters. (Vectors eb, eh, em and v are all with respect to BCRS axes.)
    Since:
    20131202
    Author:
    Paul Harrison (paul.harrison@manchester.ac.uk) 26 Mar 2014
    • Field Summary

      Fields 
      Modifier and Type Field Description
      double along
      adjusted longitude (radians)
      double bm1
      sqrt(1-|v|^2): reciprocal of Lorenz factor
      double[][] bpn
      bias-precession-nutation matrix [3][3]
      double cphi
      cosine of geodetic latitude
      double diurab
      magnitude of diurnal aberration vector
      double[] eb
      SSB to observer (vector, au) [3]
      double[] eh
      Sun to observer (unit vector)[3]
      double em
      distance from Sun to observer (au)
      double eral
      "local" Earth rotation angle (radians)
      double phi
      geodetic latitude (radians)
      double pmt
      PM time interval (SSB, Julian years)
      double refa
      refraction constant A (radians)
      double refb
      refraction constant B (radians)
      double sphi
      sine of geodetic latitude
      double[] v
      barycentric observer velocity (vector, c)[3]
      double xpl
      polar motion xp wrt local meridian (radians)
      double ypl
      polar motion yp wrt local meridian (radians)
    • Constructor Summary

      Constructors 
      Constructor Description
      Astrom()  
    • Method Summary

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • pmt

        public double pmt
        PM time interval (SSB, Julian years)
      • eb

        public double[] eb
        SSB to observer (vector, au) [3]
      • eh

        public double[] eh
        Sun to observer (unit vector)[3]
      • em

        public double em
        distance from Sun to observer (au)
      • v

        public double[] v
        barycentric observer velocity (vector, c)[3]
      • bm1

        public double bm1
        sqrt(1-|v|^2): reciprocal of Lorenz factor
      • bpn

        public double[][] bpn
        bias-precession-nutation matrix [3][3]
      • along

        public double along
        adjusted longitude (radians)
      • phi

        public double phi
        geodetic latitude (radians)
      • xpl

        public double xpl
        polar motion xp wrt local meridian (radians)
      • ypl

        public double ypl
        polar motion yp wrt local meridian (radians)
      • sphi

        public double sphi
        sine of geodetic latitude
      • cphi

        public double cphi
        cosine of geodetic latitude
      • diurab

        public double diurab
        magnitude of diurnal aberration vector
      • eral

        public double eral
        "local" Earth rotation angle (radians)
      • refa

        public double refa
        refraction constant A (radians)
      • refb

        public double refb
        refraction constant B (radians)
    • Constructor Detail

      • Astrom

        public Astrom()