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Eridanos (mythology) (or Eridanus), a river in Greek mythology, somewhere in Central Europe, which was territory that Ancient Greeks knew only vaguely; The Po River, according to Roman word usage; Eridanos (Athens), a former river near Athens, now subterranean
40 Eridani is the system's Flamsteed designation and ο² Eridani (Latinised to Omicron 2 Eridani) its Bayer designation.The designations of the sub-components – 40 Eridani A, B and C – derive from the convention used by the Washington Multiplicity Catalog (WMC) for multiple star systems, and adopted by the International Astronomical Union (IAU).
The river Eridanos / ə ˈ r ɪ d ə ˌ n ɒ s / or Eridanus (/ ə ˈ r ɪ d ə n ə s /; Ancient Greek: Ἠριδανός) is, both, the name of a river in Northern Europe mentioned in Greek mythology and historiography, and the name of the god of said-river.
DA VII: component of the 40 Eri system; white dwarf: WASP-99: 02 h 39 m 35.0 s: −50° 00′ 29″ 9.5: F8: has a transiting planet HIP 12961: 12961: 02 h 46 m 42.89 s: −23° 05′ 11.8″ 9.7: 7.8: 78: M0: Koeia, [9] has a planet WASP-79: 04 h 25 m 29.0 s: −30° 36′ 02″ 10.1: 783: F3: Montuno, [10] has a transiting planet WASP-117: 02 ...
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 .
39 Eridani is a wide binary star [3] system in the equatorial constellation of Eridanus. It is visible to the naked eye as a faint, orange-hued star with a combined apparent visual magnitude of 4.87. [2] As of 2015, the components had an angular separation of 6.4″ along a position angle of 143°. [9]
The Eridanos / ə ˈ r ɪ d ə ˌ n ɒ s / or Eridanus (/ ə ˈ r ɪ d ə n ə s /; Ancient Greek: Ἠριδανός) was a river in Athens mentioned in Greek mythology and historiography. Mythical stream
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]