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In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...
In this list, a star is identified by a lower-case letter of the Greek alphabet, followed by the Latin name of its parent constellation. The Bayer designation uses the possessive form of a constellation's name, which in almost every case ends in is , i or ae ; um if the constellation's name is plural (see genitive case for constellations ) .
A star is a luminous spheroid of plasma held together by self-gravity. [1] The nearest star to Earth is the Sun. ... particularly with Arabic or Latin designations.
to the stars: A common name or motto, in whole or part, among many publications ad astra per aspera: to the stars through difficulties: i.e., "a rough road leads to the stars", as on the Launch Complex 34 memorial plaque for the astronauts of Apollo 1. Used as a motto by the State of Kansas and other organisations ad augusta per angusta
Variable stars that do not have Bayer designations are assigned designations in a variable star scheme that superficially extends the Bayer scheme with uppercase Latin letters followed by constellation names, starting with single letters R to Z, and proceeding to pairs of letters. Such designations mark them as variable stars.
Ad is a Latin preposition expressing direction toward in space or time (e.g. ad nauseam, ad infinitum, ad hoc, ad libidem, ad valorem, ad hominem). It is also used as a prefix in Latin word formation. [4] Astra is the accusative plural form of the Latin word astrum 'star' (from Ancient Greek ἄστρον astron 'star', from Proto-Indo-European ...
A-type star In the Harvard spectral classification system, a class of main-sequence star having spectra dominated by Balmer absorption lines of hydrogen. Stars of spectral class A are typically blue-white or white in color, measure between 1.4 and 2.1 times the mass of the Sun, and have surface temperatures of 7,600–10,000 kelvin.
Sirius is the brightest star in the night sky.Its name is derived from the Greek word Σείριος (Latin script: Seirios), meaning lit. 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated α CMa or Alpha CMa.