It must be of immense mass, since its attraction causes perceptible perturbations in the motion of Procyon.
I'm going to Procyon on the Valhalla at the end of this week.
Another predicted one, belonging to Procyon, has not yet been seen.
And the Valhalla was still bound on its long journey to Procyon.
Thus in the case of Procyon the existence of an invisible body is proved by the movement of the visible star.
The agouara (Procyon cancrivorus) is frequently met with in Mexico.
Procyon, α of Canis Minor, has several minute stars in the same field of view.
The whole constellation includes all the stars east of the Bull and between the Charioteer and Procyon.
Procyon cancrivorus has a low Ḣb, reduced litter size, and small body mass.
To find Procyon, drawn a line from Sirius northeast about twenty degrees.