Theta Aurigae (star)

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Theta Aurigae A
Imperiumgrey-2.jpg
Spectral A0 IV-Vp
Type Subgiant (?)
Multiple Binary
Luminosity 263 LSol
Absolute magnitude -1.05
Mag Terra 2.62
Temperature 10,400° K
Mass 3.38 MSol
Radius 5.1 RSol
Companion Theta Aurigae B
Theta Aurigae B
Imperiumgrey-2.jpg
Spectral G2 V -OR- F2-5V
Type Main Sequence
Multiple Companion
Luminosity LSol
Absolute magnitude
Mag Terra 7.2
Temperature ° K
Mass ~ 1.0 MSol

The star Theta Aurigae (otherwise known as Mahasim or Bogardus) is a blue-white Alpha2 Canum Venaticorum type variable star of spectral classification A0 orbited by a white/yellowish-white main sequence companion star.

Description (Specifications)[edit]

Theta Aurigae has a companion (variously described as either G2 V or F2-5 V) that lies ~185AU from the primary.

  • With a mass of 3.5 MSol for Theta Aurigae A and a mass of of 1.0 MSol for Theta Aurigae B, the pair takes ~200 years to orbit each other.
  • Both stars seem to be too bright for their respective classes.
  • Theta Aurigae A has the luminosity of a somewhat advanced subgiant star.

The Theta Aurigae star system is approximately 50.8pc from Terra, and is located in a Spinrimward/Rimward direction from Terra at bearing 174.3o Galactic Longitude and +06.7o North Galactic Latitude.

History & Background (Dossier)[edit]

Theta Aurigae is the primary star of the world Theta Aurigae/Theta Aurigae (Aldebaran 1238).

Image Repository[edit]

TravellerMap (T5SS):
[1]

References & Contributors (Sources)[edit]

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