Thus it is found that Procyon gives about three times as much light as the sun in proportion to its mass, Sirius about sixteen times, and Orionis more than ten thousand times.
Aside from its origin, the fauna of Mexico includes at least five species of monkey, the jaguar, puma, ocelot (Felis pardalis), wolf, coyote, lynx, badger, otter (Lutra felina), beaver, muskrat, bear, raccoon (Procyon), coati (Nasua), tapir, two species of peccary (Dicotyles torquatus and D.
There is perhaps room for doubt as to the precise significance of the words used; but the fact that Ptolemy classes Sirius with Antares, Aldebaran, Arcturus, Betelgeux and Procyon as " fiery red " (inrorceppoc) as compared with all the other bright stars which are " yellow " (;av©oc) seems almost conclusive that Sirius was then a redstar.
Includes the " Solar " stars, as Capella, Arcturus, Procyon, Aldebaran, their spectra are similar to that of the sun, being crossed by very numerous fine lines, mostly due to vapours of metals.
Is now subdivided into " Procyon," " Solar " and " Arcturian " stars.
The " Procyon " or calcium stars form a transition between Type I.
Then follows a gradual absorption of first the helium and then the hydrogen, the photosphere grows continually cooler, and the star passes successively through the stages exemplified by Sirius, Procyon, the Sun, Arcturus and Antares.
He announced in 1844 the binary character of Sirius and Procyon from their disturbed proper motions; and was preparing to attack the problem solved later by the discovery of Neptune, when fatal illness intervened.
These are the white stars, and the most prominent examples are Sirius, Vega and Procyon.