constellation close up auriga
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Constellation Close-Up: Auriga

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Constellation Close-Up: Auriga - PowerPoint PPT Presentation


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Constellation Close-Up: Auriga. James Appleton. Topics. Overview of Auriga Stars Double and multiple stars Faint star clusters Bright star clusters: M36, M37, M38 Nebulosity Close. Overview of Auriga. Auriga – Stars to Magnitude 6.0. Galactic equator. Stars.

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Presentation Transcript
topics
Topics
  • Overview of Auriga
  • Stars
  • Double and multiple stars
  • Faint star clusters
  • Bright star clusters: M36, M37, M38
  • Nebulosity
  • Close
capella system
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

auriga stars to magnitude 8 01
Auriga – Stars to Magnitude 8.0

Epsilon

Beta

Eta

Zeta

Theta

Iota

fainter star clusters
Fainter Star Clusters

NGC1857

NGC2281

NGC1778

NGC1907

NGC1893

m36 m37 m38
M36, M37, M38

Theta Aur

M38

M36

M37

Beta Tau

slide42
M36

Struve 737

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