Heis, j udging by the constellations engraved upon it (Atlas coelestis novus, Bonn, 1872) judges to date from the 4th century B.C. It may even be the work of Eudoxus (d.
As a god of athletes heis often a wrestler (iraXaiµco)), and founds the Olympian games.
Heis the numbers and magnitudes of stars between the north pole and a circle 35° south of the equator are: - From the value of the light-ratio we can construct a table showing the number of stars of each magnitude which would together give as much light as a first magnitude star, viz.: - Comparing these figures with the numbers of stars of each magnitude we notice that the total light emitted by all the stars of a given magnitude is fairly constant.
Heis); Allgemeine deutsche Biographie (C. Bruhns).