CAAParallactic_AngleBetweenEclipticAndHorizon: CAAParallactic_AngleBetweenEclipticAndHorizon

In helixcn/skycalc: Computational Astronomy in R based on PJ Naughter's AA+ library

Description

CAAParallactic_AngleBetweenEclipticAndHorizon

Usage

CAAParallactic_AngleBetweenEclipticAndHorizon(LocalSiderealTime, ObliquityOfEcliptic, Latitude)

Arguments

LocalSiderealTime	LocalSiderealTime The local sidereal time measured in hours.
ObliquityOfEcliptic	ObliquityOfEcliptic The obliquity of the ecliptic in degrees.
Latitude	Latitude The latitude of the position in degrees.

Value

Returns the angle in degrees of the diurnal path of a celestial body (not the ecliptic) relative to the horizon at the time of its rising or setting.

Author(s)

C++ code by PJ Naughter, imported to R by Jinlong Zhang

References

Meeus, J. H. (1991). Astronomical algorithms. Willmann-Bell, Incorporated.

Examples

CAAParallactic_AngleBetweenEclipticAndHorizon(LocalSiderealTime = 12.44, ObliquityOfEcliptic = 12, Latitude = 47)

helixcn/skycalc documentation built on March 31, 2021, 5:45 a.m.