Constellation CloseUp: Auriga

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Constellation Close-Up Auriga
James Appleton
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Topics

• Overview of Auriga
• Stars
• Double and multiple stars
• Faint star clusters
• Bright star clusters M36, M37, M38
• Nebulosity
• Close

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Overview of Auriga
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Auriga Stars to Magnitude 6.0
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Stars
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Auriga Stars to Magnitude 8.0
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Capella System
Stars shown in correct relative sizes, but not
separations
Capella B 7 times solar diam 70 times solar lum
H1 70 solar diam 1 solar lum
Orbital period 104 days
Orbital period 350 years
100m km
4.2 bn km
H2 70 solar diam 0.04 solar lum
Distance 11,000 AU (0.2 ly) Orbital period very
long!
Capella A 13 times solar diam 90 times solar lum
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Auriga Stars to Magnitude 8.0
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Digital Camera Happy Snap
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Longer Exposure
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Capella Kids - Colour Contrast
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Under American Skies
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Double And Multiple Stars
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Double Multiple Stars
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Auriga Double Multiple Stars
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Double Multiple Stars
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Auriga Double Multiple Stars
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Double Multiple Stars
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Auriga Double Multiple Stars
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Double Multiple Stars
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Auriga Double Multiple Stars
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Double Multiple Stars
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Auriga Double Multiple Stars
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Double Multiple Stars
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Auriga Double Multiple Stars
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Double Multiple Stars
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Auriga Double Multiple Stars
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Double Multiple Stars
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Auriga Double Multiple Stars
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Double Multiple Stars
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Auriga Double Multiple Stars
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Star Clusters
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Fainter Star Clusters
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Fainter Star Clusters
NGC2281
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Fainter Star Clusters
NGC1857
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Fainter Star Clusters
NGC1778
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Fainter Star Clusters
NGC1907
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Fainter Star Clusters
NGC1893
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Star Clusters M36, M37, M38
M38
M36
M37
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M36, M37, M38
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M36, M37, M38
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M36
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M37
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M38
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Nebulosity
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Under American Skies, II
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Under Spanish Skies
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IC405 AE Aur
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Close