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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 ]
[1] [2] In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) [3] to catalog and standardize proper names for stars. The WGSN approved the names Theemin for υ 2 Eridani on 1 February 2017 and Beemim for υ 3 Eridani on 30 June 2017; both are now included in the List of IAU-approved Star Names. [4]
It is an evolved red clump [12] giant star with a stellar classification of G8+ III. [3] The measured angular diameter is 2.21 mas. [13] At the star's distance, this yields a physical size of around 16 times the radius of the Sun. [6] It radiates 138 [7] times the solar luminosity from its outer atmosphere at an effective temperature of 5074 K. [8]
The WGSN approved the name Beid for this star on 12 September 2016 and it is now so included in the List of IAU-approved Star Names. [ 10 ] In Chinese , 九州殊口 ( Jiǔ Zhōu Shū Kǒu ), meaning Interpreters of Nine Dialects , refers to an asterism consisting of ο 1 Eridani, 39 Eridani , Xi Eridani , Nu Eridani , 56 Eridani and 55 Eridani ...
Lambda Eridani (λ Eri) is a star in the constellation Eridanus.It is visible to the naked eye on a dark night with an apparent visual magnitude of 4.27. The distance to this star, based upon an annual parallax shift of 0.00402 arcseconds, is roughly 810 light years.
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]
Beta Eridani is the star's Bayer designation. It has the traditional name Cursa [4] [9] derived from Al Kursiyy al Jauzah, "the Chair (or "Footstool") of the Central One". This is the name of the star association consisting of this star along with Lambda Eridani, Psi Eridani and Tau Orionis. [12]
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 ...