Facts about Procyon

1. 07

   Procyon A's luminosity is approximately 6.93 times greater than the Sun's, making it one of the most luminous white dwarfs visible from Earth.

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2. 06

   Procyon B, a white dwarf with Earth's mass compressed into a sphere 1.2 times Earth's diameter, represents one of the densest known stellar objects.

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3. 05

   Ancient astronomers named Procyon after the Greek words 'pro' and 'kyon', meaning before the dog, because it rises before Sirius in the night sky.

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4. 04

   Procyon's binary system exhibits a 40.84-year orbital period where the less massive white dwarf companion Procyon B completes one full revolution around the primary star.

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5. 03

   Procyon A's surface temperature reaches approximately 7,740 Kelvin, making it significantly hotter than our Sun's 5,778 Kelvin surface.

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6. 02

   At approximately 1.5 times the Sun's mass, Procyon A is a white dwarf companion orbited by Procyon B every 40.84 years.

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7. 01

   The eighth brightest star in Earth's night sky, Procyon, lies just 11.46 light-years away in the Canis Minor constellation.

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