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All stars but one can be associated with an IAU (International Astronomical Union) constellation. IAU constellations are areas of the sky. Although there are only 88 IAU constellations, the sky is actually divided into 89 irregularly shaped boxes as the constellation Serpens is split into two separate sections, Serpens Caput (the snake's head) to the west and Serpens Cauda (the snake's tail ...
This is the list of notable stars in the constellation Caelum, sorted by decreasing brightness. Name B G. Var HD HIP RA Dec vis. mag. abs. ... −41° 19′ 15.6″ ...
Stars in constellations can appear near each other in the sky, but they usually lie at a variety of distances away from the Earth. Since each star has its own independent motion, all constellations will change slowly over time. After tens to hundreds of thousands of years, familiar outlines will become unrecognizable. [13]
Gamma Aquilae, Latinized from γ Aquilae, and formally known as Tarazed / ˈ t ær ə z ɛ d /, [10] is a star in the constellation of Aquila.It has an apparent visual magnitude of 2.712, [2] making it readily visible to the naked eye at night.
It has since become a variable star fluctuating between 2.0 and 1.6. [5] This means that at its brightest it is the second brightest star in Scorpius. Stars of the constellation by distance (red-green 3D view) and the brightness of each star (star size) U Scorpii is the fastest known nova, with a period of about 10 years. [6]
Located centrally in the asterism, [7] Beta Phoenicis is the second brightest star in the constellation and another binary star. Together the stars, both yellow giants of spectral type G8, shine with an apparent magnitude of 3.31, though the components are of individual apparent magnitudes of 4.0 and 4.1 and orbit each other every 168 years. [16]
These names of stars that have either been approved by the International Astronomical Union or which have been in somewhat recent use. 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.
Hydra is the largest constellation, covering more than 1 ⁄ 32 of the night sky and 19 times the area of Crux, the smallest constellation.. The International Astronomical Union (IAU) designates 88 constellations of stars.