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88 constellations
- At its first General Assembly held in Rome in 1922, the IAU’s Commission on Notations and Units agreed on a list of 88 constellations covering the entire sky, with three-letter abbreviations of their Latin names. These are the 88 IAU constellations that are still recognised today, as described in more detail below.
www.iau.org/public/themes/constellations/
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With the high number of investigated stars, new nomenclatures emerged, many of them relying on the constellation names. Therefore, one of the IAU’s first tasks after its formation was to define an internationally agreed set of constellations.
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In contemporary astronomy, 88 constellations are recognized by the International Astronomical Union (IAU). [1] Each constellation is a region of the sky bordered by arcs of right ascension and declination, together covering the entire celestial sphere.
ConstellationAbbreviations(iau [5])Abbreviations(nasa [6])GenitiveAndromeda / ænˈdrɒmɪdə / [7]AndAndrAndromedaeAntlia / ˈæntliə / [7]AntAntlAntliaeApus / ˈeɪpəs / [8]ApsApusAquarius / əˈkwɛəriəs / [7]AqrAqarAquariiHoffmann in 2023 compiled a catalog of the naked eye stars (brighter than 6.5 mag) by IAU constellation. It consists of 8547 stars while only 471 stars are brighter than 3.9 mag. Among them, 22 main stars of the IAU constellations do not have IAU-recognized proper names. Hence, there are roughly 8000 naked eye-stars between 4 and 6.5 mag
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The IAU is the international astronomical organisation that brings together more than 10 000 professional astronomers from almost 100 countries. Its mission is to promote and safeguard the science of astronomy in all its aspects through international cooperation. The IAU also serves as the internationally recognised authority for assigning designat...
Dr. Eric Mamajek WGSN Chair Jet Propulsion Laboratory/Caltech, USA Tel: +1 818-354-2153 Cell: +1 818-393-4950 (Fax) Email: IAUWGSN@gmail.com Lars Lindberg Christensen IAU Press Officer Garching bei München, Germany Tel: +49 89 320 06 761 Cell: +49 173 38 72 621 Email: lars@eso.org
Dec 12, 2016 · The WGSN currently has 227 star names published on the IAU site under its Naming Stars page, many of which have been long-used by stargazers. In fact, the catalogue includes 18 star names that were approved by the ‘IAU Executive Committee Working Group for Public Naming of Planets and Planetary Satellites’ in December 2015, including 5 ...
IAU approval comes mostly from its Working Group on Star Names, which has been publishing a "List of IAU-approved Star Names" since 2016. As of April 2022, the list included a total of 451 proper names of stars.
Nov 29, 2016 · WGSN has now established a new catalogue of IAU star names, with the first set of 227 approved names published on the IAU website.
