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NOVAS2 Methods

The NOVAS2 type exposes the following members.

Methods
  Name Description
Public method Static member Aberration
Corrects position vector for aberration of light.
Public method Static member AppPlanet
Compute the apparent place of a planet or other solar system body.
Public method Static member AppStar
Computes the apparent place of a star
Public method Static member AstroPlanet
Computes the astrometric place of a planet or other solar system body.
Public method Static member AstroStar
Computes the astrometric place of a star
Public method Static member BaryToGeo
Moves the origin of coordinates from the barycenter of the solar system to the center of mass of the Earth
Public method Static member CalDate
Compute a date on the Gregorian calendar given the Julian date.
Public method Static member CelPole
This function allows for the specification of celestial pole offsets for high-precision applications.
Public method Static member DeltaT
Return the value of DeltaT for the given Julian date
Public method Static member EarthTilt
Computes quantities related to the orientation of the Earth's rotation axis at Julian date 'tjd'.
Public method Static member Ephemeris
Retrieves the position and velocity of a body from a fundamental ephemeris.
Public method Static member Equ2Hor
Transform apparent equatorial coordinates to horizon coordinates
Public method Static member FundArgs
To compute the fundamental arguments.
Public method Static member GetEarth
Obtains the barycentric and heliocentric positions and velocities of the Earth from the solar system ephemeris.
Public method Static member JulianDate
This function will compute the Julian date for a given calendar date (year, month, day, hour).
Public method Static member LocalPlanet
Computes the local place of a planet or other solar system body, given the location of the observer.
Public method Static member LocalStar
Computes the local place of a star
Public method Static member MakeCatEntry
To create a structure of type 'cat_entry' containing catalog data for a star or "star-like" object.
Public method Static member MeanStar
Computes the mean place of a star for J2000.0
Public method Static member Nutate
Nutates equatorial rectangular coordinates from mean equator and equinox of epoch to true equator and equinox of epoch.
Public method Static member NutationAngles
Provides fast evaluation of the nutation components according to the 1980 IAU Theory of Nutation.
Public method Static member Pnsw
Transforms a vector from an Earth-fixed geographic system to a space-fixed system
Public method Static member Precession
Precesses equatorial rectangular coordinates from one epoch to another.
Public method Static member ProperMotion
Applies proper motion, including foreshortening effects, to a star's position.
Public method Static member RADec2Vector
Converts equatorial spherical coordinates to a vector (equatorial rectangular coordinates).
Public method Static member Refract
Computes atmospheric refraction in zenith distance.
Public method Static member SetBody
Sets up a structure of type 'body' - defining a celestial object- based on the input parameters.
Public method Static member SHGetSpecialFolderPath
Get path to a system folder
Public method Static member SiderealTime
Computes the Greenwich apparent sidereal time, at Julian date 'jd_high' + 'jd_low'.
Public method Static member SolarSystem
Provides the position and velocity of the Earth
Public method Static member Spin
Transforms geocentric rectangular coordinates from rotating system to non-rotating system
Public method Static member StarVectors
Converts angular quanities for stars to vectors.
Public method Static member SunEph
Compute equatorial spherical coordinates of Sun referred to the mean equator and equinox of date.
Public method Static member SunField
Corrects position vector for the deflection of light in the gravitational field of the Sun.
Public method Static member Tdb2Tdt
Converts TDB to TT or TDT
Public method Static member Terra
Computes the position and velocity vectors of a terrestrial observer with respect to the center of the Earth.
Public method Static member TopoPlanet
Computes the topocentric place of a planet, given the location of the observer.
Public method Static member TopoStar
Computes the topocentric place of a star
Public method Static member TransformCat
To transform a star's catalog quantities for a change of epoch and/or equator and equinox.
Public method Static member TransformHip
To convert Hipparcos data at epoch J1991.25 to epoch J2000.0 and FK5-style units.
Public method Static member Vector2RADec
Converts an vector in equatorial rectangular coordinates to equatorial spherical coordinates.
Public method Static member VirtualPlanet
Computes the virtual place of a planet or other solar system body.
Public method Static member VirtualStar
Computes the virtual place of a star
Public method Static member Wobble
Corrects Earth-fixed geocentric rectangular coordinates for polar motion.
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