Module astro::star

Stars

Functions

abs_mag_frm_dist	Computes the absolute magnitude of a star from its distance from earth
abs_mag_frm_parallax	Computes the absolute magnitude of a star from its parallax
angl_between_north_celes_and_eclip_pole	Computes the angle between a vector from a star to the north celestial pole of the Earth and a vector from the same star to the north pole of the ecliptic
brightness_ratio	Computes the brightness ratio of two stars
combined_mag	Computes the combined magnitude of two stars
combined_mag_of_many	Computes the combined magnitude of two or more stars
eq_coords_frm_motion	Computes the equatorial coordinates of a star at at a different time from it's motion in space
mag_diff	Computes the difference in magnitude of two stars
proper_motion_in_eq_coords