eclipticalToEquatorial {oce} | R Documentation |
Convert from ecliptical to equatorial coordinates
eclipticalToEquatorial(lambda, beta, epsilon)
lambda |
longitude, in degrees, or a data frame containing
|
beta |
geocentric latitude, in degrees |
epsilon |
obliquity of the ecliptic, in degrees |
The method is taken from equations 8.3 and 8.4 of [1], or, equivalently, from equations 12.3 and 12.4 of [2].
A data frame containing columns rightAscension
and
declination
both in degrees.
Dan Kelley, based on formulae in [1] and [2].
1. Meeus, Jean, 1982. Astronomical formuae for Calculators. Willmann-Bell. Richmond VA, USA. 201 pages.
2. Meeus, Jean, 1991. Astronomical algorithms. Willmann-Bell, Richmond VA, USA. 429 pages.