description Procyon Overview
Procyon is the brightest star in Canis Minor and eighth brightest in the night sky, a binary system with a white dwarf companion about 11.5 light-years away.
insights Why this score
Procyon ranks #36 of 217 in the Star ranking, behind Castor, ahead of Alnitak.
Top-ten apparent brightness, nearby binary with white dwarf, strong visibility, but less distinctive public identity.
help Procyon FAQ
How can I find Procyon in the night sky?
Procyon is the brightest star in Canis Minor and forms the Winter Triangle with Betelgeuse and Sirius. From the Northern Hemisphere, it is particularly prominent on winter evenings.
Is Procyon a single star?
No, Procyon is a binary system consisting of the bright star Procyon A and the faint white dwarf Procyon B. The pair is roughly 11.5 light-years from Earth.
Why does the name Procyon mean before the dog?
The name comes from Greek words meaning before the dog. At many northern latitudes, Procyon rises shortly before Sirius, the Dog Star in Canis Major.
Is Procyon brighter than Sirius?
No. Sirius is the brightest star in Earth's night sky, while Procyon is usually ranked eighth by apparent brightness. Procyon still appears conspicuous because it is nearby and sits in a relatively sparse constellation.
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