aberration_correction(earth_radius_vector)
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apparent_sidereal_time(mean_sidereal_time, ...)
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apparent_sun_longitude(geocentric_longitude, ...)
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atmospheric_refraction_correction(...)
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calculate_deltat(year, month)
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Calculate the difference between Terrestrial Dynamical Time (TD) and Universal Time (UT). |
earthsun_distance(unixtime, delta_t, numthreads)
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Calculates the distance from the earth to the sun using the NREL SPA algorithm described in [1]. |
equation_of_time(sun_mean_longitude, ...)
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equatorial_horizontal_parallax(...)
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geocentric_latitude(heliocentric_latitude)
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geocentric_longitude(heliocentric_longitude)
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geocentric_sun_declination(...)
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geocentric_sun_right_ascension(...)
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heliocentric_latitude(jme)
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heliocentric_longitude(jme)
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heliocentric_radius_vector(jme)
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jcompile(*args, **kwargs)
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julian_century(julian_day)
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julian_day(unixtime)
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julian_day_dt(year, month, day, hour, ...)
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This is the original way to calculate the julian day from the NREL paper. |
julian_ephemeris_century(julian_ephemeris_day)
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julian_ephemeris_day(julian_day, delta_t)
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julian_ephemeris_millennium(...)
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local_hour_angle(apparent_sidereal_time, ...)
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Measured westward from south |
longitude_obliquity_nutation(...)
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mean_anomaly_moon(julian_ephemeris_century)
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mean_anomaly_sun(julian_ephemeris_century)
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mean_ecliptic_obliquity(...)
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mean_elongation(julian_ephemeris_century)
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mean_sidereal_time(julian_day, julian_century)
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moon_argument_latitude(julian_ephemeris_century)
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moon_ascending_longitude(...)
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nocompile(*args, **kwargs)
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parallax_sun_right_ascension(xterm, ...)
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solar_position(unixtime, lat, lon, elev, ...)
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Calculate the solar position using the NREL SPA algorithm described in [1]. |
solar_position_loop(unixtime, delta_t, ...)
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Loop through the time array and calculate the solar position |
solar_position_numba(unixtime, lat, lon, ...)
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Calculate the solar position using the numba compiled functions and multiple threads. |
solar_position_numpy(unixtime, lat, lon, ...)
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Calculate the solar position assuming unixtime is a numpy array. |
sum_mult_cos_add_mult(arr, x)
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sun_mean_longitude(julian_ephemeris_millennium)
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topocentric_astronomers_azimuth(...)
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topocentric_azimuth_angle(...)
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topocentric_elevation_angle(...)
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topocentric_elevation_angle_without_atmosphere(...)
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topocentric_local_hour_angle(...)
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topocentric_sun_declination(...)
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topocentric_sun_right_ascension(...)
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topocentric_zenith_angle(...)
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transit_sunrise_sunset(dates, lat, lon, ...)
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Calculate the sun transit, sunrise, and sunset for a set of dates at a given location. |
true_ecliptic_obliquity(...)
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uterm(observer_latitude)
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xterm(u, observer_latitude, observer_elevation)
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yterm(u, observer_latitude, observer_elevation)
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