Winter Triangle

Source: Wikipedia, the free encyclopedia.
Winter stars with the Winter Triangle front and centre, forming a diamond (actually kite) or cross with Saturn above

The Winter Triangle is an astronomical

Canis Major, Orion, and Canis Minor, respectively.[1]

Visibility

Winter Triangle

For much of the night in the northern winter, the Winter Triangle is high in the sky at mid-northern

southern hemisphere it appears upside down and lower in the sky during the summer months.[2]

The Winter Triangle surrounds most of the faint constellation

Monoceros, although its brightest stars are of fourth magnitude and hardly noticeable to the naked eye. The triangle includes two first magnitude stars, while Sirius is even brighter. The other bright stars of the winter sky lie around the triangle: Orion including Rigel; Aldebaran in Taurus; Castor and Pollux in Gemini; and Capella in Auriga
.

The stars of the Winter Triangle

Winter triangle stars
Name Constellation Apparent magnitude Luminosity (L☉) Spectral type Distance (
ly
)
Sirius Canis Major −1.46 25.4 A1 V 8.6
Betelgeuse Orion 0.50 90,000 - 150,000 M2 Iab 640
Procyon Canis Minor 0.34 6.93 F5 IV-V 11.5

See also

References

  1. ISBN 978-1-139-62066-6
    .
  2. ISBN 9995280000
    .

External links
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