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• Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.] See also [ edit ]
The stars that correspond to Eridanus cannot be fully seen from China. In Chinese astronomy , the northern part is located within the White Tiger of the West (西方白虎, Xī Fāng Bái Hǔ ). The unseen southern part was classified among the Southern Asterisms (近南極星區, Jìnnánjíxīngōu ) by Xu Guangqi , based on knowledge of ...
53 Eridani is a visual binary, where the orbit of the two stars is calculated from their orbital motions. The primary star, 53 Eridani A, is an evolved red giant with a spectral type of K1III. [4] It is almost ten times as wide as the Sun and slightly more massive than the Sun. [7]
Delta Eridani, which is Latinized from δ Eridani, is the fifth-brightest star in the constellation of Eridanus.. The star is visible to the naked eye and has been observed to vary slightly in brightness between magnitudes 3.51 and 3.56, [2] although subsequent observations did not bear this out. [11]
Upsilon 2 Eridani (υ² Eridani, abbreviated Upsilon 2 Eri, υ 2 Eri), officially named Theemin / ˈ θ iː m ə n /, [10] [11] is a star in the constellation of Eridanus. It is visible to the naked eye with an apparent visual magnitude of 3.8. [2]
Eta Eridani (η Eridani, abbreviated Eta Eri, η Eri), officially named Azha (with a silent 'h', possibly / ˈ eɪ z ə /), [8] [7] is a giant star in the constellation of Eridanus. Based on parallax measurements taken during the Hipparcos mission, it is approximately 137 light-years from the Sun .
In the southern-sky catalog Uranometria Argentina, 82 G. Eridani (often abbreviated to 82 Eridani) [9] is the 82nd star listed in the constellation Eridanus. [10] The Argentina catalog, compiled by the 19th-century astronomer Benjamin Gould, is a southern celestial hemisphere analog of the more famous Flamsteed catalog, and uses a similar numbering scheme. 82 G. Eridani, like other stars near ...
NGC 1376 is a spiral galaxy located around 180 million light-years away in the constellation Eridanus. [1] It was discovered in 1785 by William Herschel , and it is 79,000 light-years across. [ 1 ] NGC 1376 is not known to have an active galactic nuclei , but it does have lots of star-forming regions .