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Procyon: Alpha, Constellation, Canis Minor, Apparent Magnitude, Binary Star
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Dieser Artikel gilt, aufgrund seiner Grösse, beim Versand als 2 Artikel!
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| Please note that the content of this book primarily consists of articles
available from Wikipedia or other free sources online. Procyon (¿ CMi, ¿
Canis Minoris, Alpha Canis Minoris) is the brightest star in the
constellation Canis Minor. To the naked eye, it appears to be a single
star, the seventh brightest in the night sky with a visual apparent
magnitude of 0.34. It is actually a binary star system, consisting of a
white main sequence star of spectral type F5 IV-V, named Procyon A, and
a faint white dwarf companion of spectral type DA, named Procyon B. The
reason for its brightness is not its intrinsic luminosity but its
closeness to the Sun; at a distance of 3.5 pc or 11.41 light years,
Procyon is one of our near neighbours. Its closest neighbour is
Luyten''s Star, 0.34 pc or 1.11 ly away. Procyon forms one of the three
vertices of the Winter Triangle, along with Sirius and Betelgeuse. |
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