The International Astronomical Union established a Working Group on Star Names in May 2016 to catalog and standardize proper names for stars for the international astronomical community. It operates u
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Bayer designation
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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. The original list
IAU Working Group on Star Names
…is solely alphanumerical, and used almost exclusively in official catalogues and for professional astronomy. (The WGSN notes that transliterated Bayer designations (e.g., Tau Ceti) are considered a special historical case and are treated as designations.) The terms of reference for the WGSN for the period 2016–2018…
Detail of Bayer's chart for Orion showing the belt stars and Orion Nebula region, with both Greek and Latin letter labels visible