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SuperNOVAS v1.5
The NOVAS C library, made better
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Files | |
| calendar.c | |
| Various functions to convert between calendar dates and Julian days. | |
| cio.c | |
| Functions to calculate or access the Celestial Intermediate Origin (CIO) location. | |
| earth.c | |
| Various functions relating to Earth position and rotation. | |
| ephemeris.c | |
| Functions that allow to define or access Solar-system ephemeris data. | |
| equator.c | |
| Various functions for calculating the equator and equinox of date, and related quatities. | |
| frames.c | |
| High-level and efficient astrometric calculations using observing frames. | |
| grav.c | |
| Various functions to deal with gravitational effects of the major Solar-system bodies on the astrometry. | |
| itrf.c | |
| Transformations of station coordinates, velocities, and Earth orinetation parameters (EOP) between various ITRF realizations, and conversion between Cartesian (x, y, z) and geodetic (longitude, latitude, altitude) coordinates w.r.t. | |
| naif.c | |
| Solar system ID mappings between NOVAS and NASA's Navigation and Ancillary Information Facility (NAIF), which is used by the JPL ephemeris systems. | |
| nutation.c | |
| SuperNOVAS implementations for the IAU2000 nutation series calculations, with varying trade-offs between computational cost and precision. | |
| observer.c | |
| This module provides a set of functions that define an astronomical observer location, or ones that relate to observer location. | |
| orbital.c | |
| Function relating to the use of Keplerian orbital elements. | |
| parse.c | |
| Various functions to parse string specifications of angles, time, dates, and coordinate epochs. | |
| place.c | |
Various convenience variants of the NOVAS C place() function. | |
| planets.c | |
| Calculate approximate positions and velocities for the major planets, Sun, Moon, Earth-Moon Barycenter (EMB), and the Solar-system Barycenter (SSB), mainly by using Keplerian orbital elements. | |
| refract.c | |
| A collection of refraction models and utilities to use with novas_app_to_hor() or novas_hor_to_app(). | |
| solsys-calceph.c | |
| Solar-system ephemeris lookup via the CALCEPH C library. | |
| solsys-cspice.c | |
| Solar-system ephemeris lookup via the NAIF CSPICE library. | |
| solsys-ephem.c | |
| Major planet ephemeris lookup via the function, which was configured by set_ephem_provider(). | |
| solsys3.c | |
| Planet calculator functions for the Earth and Sun only, with an orbital model fitted to the DE405 ephemerides by JPL. | |
| spectral.c | |
| Various spectral / velocity related functions. | |
| system.c | |
| Various transformations between different coordinate systems used in astronomy, such as equatorial, ecliptic, Galactic, or local horizontal coordinate systems. | |
| target.c | |
| This module contains functions that define an observing target, or which are target related. | |
| timescale.c | |
| Functions to define and use different astronomical timescales and to convert among them. | |
| transform.c | |
| Various functions to transform rectangular equatorial vectors (positions or velocities) between different equatorial coordinate systems. | |
| util.c | |
| Various commonly used routines used throughout the SuperNOVAS library. | |