Class JSOFA.Astrom

java.lang.Object
org.jastronomy.jsofa.JSOFA.Astrom
Enclosing class:
JSOFA

public static class JSOFA.Astrom extends 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
    adjusted longitude (radians)
    double
    sqrt(1-|v|^2): reciprocal of Lorenz factor
    double[][]
    bias-precession-nutation matrix [3][3]
    double
    cosine of geodetic latitude
    double
    magnitude of diurnal aberration vector
    double[]
    SSB to observer (vector, au) [3]
    double[]
    Sun to observer (unit vector)[3]
    double
    distance from Sun to observer (au)
    double
    "local" Earth rotation angle (radians)
    double
    geodetic latitude (radians)
    double
    PM time interval (SSB, Julian years)
    double
    refraction constant A (radians)
    double
    refraction constant B (radians)
    double
    sine of geodetic latitude
    double[]
    barycentric observer velocity (vector, c)[3]
    double
    polar motion xp wrt local meridian (radians)
    double
    polar motion yp wrt local meridian (radians)
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Methods inherited from class java.lang.Object

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

    • 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 Details

    • Astrom

      public Astrom()