Aldebaran (star)

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Aldebaran A
Spectral K5 III
Type Subgiant
Multiple Binary
Luminosity 500 LSol
Absolute magnitude −0.63
Mag Terra 0.85 (13th)
Temperature 4,000° K
Mass 1.5 MSol
Radius 44 RSol
Companion Aldebaran B
Aldebaran B
Spectral M2 V
Type Main Sequence
Multiple Far Companion
Luminosity LSol
Absolute magnitude
Mag Terra 13.6
Temperature ° K

The star Aldebaran (otherwise known as Alpha Tauri) is a binary star system located 65.1 light years from Terra.

Description (Specifications)[edit]

Aldebaran is a K5 III yellow-orange giant star, and has moved off the main sequence after having depleted a significant amount of the hydrogen fuel in its stellar core.

  • Aldebaran has a dim pinkish-orange M2 V main sequence dwarf companion star orbiting at several hundred AU.
  • Primarily fusing helium, the main star has expanded to a diameter of approximately 5.3 × 107 km, or about 38 times the diameter of Sol (star) and hundreds of times the luminosity.
  • Aldebaran is the 13th brightest star as seen from Terra.
  • It is the 80th brightest star in the galaxy, and one of the brightest in Charted Space.
  • Aldebaran is not significantly large or massive.

The Aldebaran star system is approximately 20.0pc from Terra, and is located in a Rimward/Rimspinward direction from Terra at bearing 181.0o Galactic Longitude and -20.25o South Galactic Latitude.

History & Background (Dossier)[edit]

There are two possible locations for the star Aldebaran:

Image Repository[edit]

TravellerMap (T5SS): (Aldebaran)
TravellerMap (Prior Canon): (Cicero)

References & Contributors (Sources)[edit]

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