Epsilon Cygni (star)

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Gienah (Epsilon Cygni) A
Spectral K0 III/IV
Type Subgiant/Giant
Multiple Binary
Luminosity 62 LSol
Absolute magnitude +0.78
Mag Terra 2.48
Temperature 4710° K
Mass ~ 2 MSol
Radius 1.8 RSol
Companion Epsilon Cygni C
Gienah (Epsilon Cygni) C
Spectral M4 V
Type Main Sequence
Luminosity LSol
Absolute magnitude
Mag Terra 13.0
Temperature ° K

The star Epsilon Cygni (otherwise known as Gienah) is a yellow-orange star of spectral type K0 on the borderline between the subgiant and giant phase of stellar evolution, orbited by a pinkish-orange "red dwarf" star of spectral classification M4.

Description (Specifications)[edit]

  • Epsilon Cygni A has a binary companion Epsilon Cygni C that is separated from Epsilon Cygni A by ~1700AU and has an orbital period of at least 50,000 years.
  • From the perspective of the Sol system, Epsilon Cygni A has an optical companion Epsilon Cygni B that is actually not physically associated with Epsilon Cygni A.

The Epsilon Cygni star system lies approximately 22.3pc from Terra, and is located in a Corespinward/Spinward direction from Terra at bearing 080.0o Galactic Longitude and -05.7o South Galactic Latitude.

History & Background (Dossier)[edit]

Epsilon Cygni is the primary star of the world Ishadar/Ultima (Solomani Rim 0606).

Image Repository[edit]

TravellerMap (T5SS):

References & Contributors (Sources)[edit]

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