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Beta Leporis is the star's Bayer designation. It is also known by the traditional named Nihal, Arabic for "quenching their thirst". The occasional spelling Nibal appears to be due to a misreading. [14] In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) [15] to catalog
Only a tiny minority of known stars have proper names; all others have only designations from various catalogues or lists, or no identifier at all. Hipparchus in the 2nd century BC enumerated about 850 naked-eye stars. Johann Bayer in 1603 listed about twice this number. Only in the 19th century did star catalogues list the naked-eye stars ...
Eta Geminorum is the star's Bayer designation. The traditional names Tejat Prior , Propus (from the Greek , meaning forward foot) and Praepes and Pish Pai (from the Persian Pīshpāy, پیشپای, meaning foreleg).
Detail of Bayer's chart for Orion showing the belt stars and Orion Nebula region, with both Greek and Latin letter labels visible. A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent constellation's Latin name.
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In the early 19th century few variable stars were known, so it seemed reasonable to use the letters of the Latin script.Because very few constellations contained stars with uppercase Latin-letter Bayer designation greater than Q, the letter R was chosen as a starting point so as to avoid confusion with letter spectral types or the (now rarely used) Latin-letter Bayer designations.
Flamsteed designations gained popularity throughout the eighteenth century, and are now commonly used when no Bayer designation exists. Where a Bayer designation with a Greek letter does exist for a star, it is usually used in preference to the Flamsteed designation. (Flamsteed numbers are generally preferred to Bayer designations with Roman ...
ξ Geminorum (Latinised to Xi Geminorum) is the star's Bayer designation. It bore the traditional name of Al Zirr or Alzirr , from the Arabic الزِرّ al-zirr "the button". [ 12 ] In 2016, the IAU organized a Working Group on Star Names (WGSN) [ 13 ] to catalog and standardize proper names for stars.