Rukbat, Rucba, Rukbat al Rami or Alrami;

About 100 light years away.

Hope this helps.

Alpha Sagittarii (Alrami or Rukbat) is a star in the constellation of Sagittarius.

It is about 170 light years from us.

Astronomical Answer:

Alpha Sagittarii (Rukbat) is a star, found in the constellation Sagittarius the Archer.

Rukbat means 'knee' in Arabic, the language in which most stars are given formal names. In the standard drawing of Sagittarius by Hevelius in 1690, Rukbat is located just left of the knee of the centaur's right foreleg (see left). Sagittarius is depicted as a centaur because of the constellation's association with the centaur Chiron of Greek myth.

Alpha Sagittarii is a blue, class B dwarf star.

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Science fiction Answer:

Rukbat is the fictional star about which orbits the planet Pern.

The "Dragonriders of Pern" series of science fiction novels were written by Anne McCaffrey. Pern's star.

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