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In the table below, unless indicated by a "†", the "modern proper name" is the name approved by the WGSN and entered in the List of IAU-approved Star Names [6] or otherwise approved by the IAU. The WGSN decided to attribute proper names to individual stars rather than entire multiple-star systems . [ 10 ]
The earliest naming system which is still popular is the Bayer designation using the name of constellations to identify the stars within them. [ 1 ] The IAU is the only internationally recognized authority for assigning astronomical designations to celestial objects and surface features on them. [ 2 ]
Template: List of star systems navigation. Add languages. ... Upload file; Special pages; ... List of star systems navigation
The WGSN decided to attribute proper names to individual stars rather than entire multiple systems. For example, the name Fomalhaut specifically refers to the bright A component of a 3 star system. The informal names often attributed to other components in a physical multiple (e.g., Fomalhaut B) are treated as unofficial (albeit described as ...
Star Constellation Right ascension Declination Apparent magnitude Distance Spectral type Mass (M ☉) Temperature Age Confirmed (unconfirmed) planets Notes ''unknown'' unknown: unknown: unknown: unknown: unknown: unknown: unknown: unknown: unknown
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A multi-star system consists of two or more gravitationally bound stars that orbit each other. The simplest and most common multi-star system is a binary star, but systems of three or more stars exist. For reasons of orbital stability, such multi-star systems are often organized into hierarchical sets of binary stars. [116]
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.