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Eridanus is a constellation which stretches along the southern celestial hemisphere. It is represented as a river . One of the 48 constellations listed by the 2nd century AD astronomer Ptolemy , it remains one of the 88 modern constellations .
When in Nonnus' fourth- or fifth-century CE Dionysiaca the vast monster Typhon boasts that he will bathe in "starry Eridanus", it is hyperbole, for the constellation Eridanus, represented as a river, was one of the 48 constellations listed by the second-century astronomer Ptolemy; it remains one of the 88 modern constellations.
EK Eridani is a single variable star [4] in the equatorial constellation of Eridanus. [2] It has the designation HR 1362 from the Bright Star Catalogue; EK Eridani is the variable star designation, abbreviated EK Eri.
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
Theta Eridani, Latinized from θ Eridani, is a binary system in the constellation of Eridanus with a combined apparent magnitude of 2.88. [6] Its two components are designated θ 1 Eridani, formally named Acamar / ˈ æ k ə m ɑːr / (the traditional name of the system), [13] [14] and θ 2 Eridani.
Rho 1 Eridani (Rho 1 Eri, ρ 1 Eri), is a star located in the constellation Eridanus. It forms an asterism with the stars Rho 2 and Rho 3 Eridani , south of Cetus, in the upper north east portion of Eridanus.
ο Eridani (Latinised as Omicron Eridani) refers to 2 distinct star systems in the constellation Eridanus: Omicron 1 Eridani (ο 1 Eridani), or 38 Eridani, with traditional name "Beid" Omicron 2 Eridani (ο 2 Eridani), better known as 40 Eridani, with traditional name "Keid"
Psi Eridani, Latinized from ψ Eridani, is a star in the constellation Eridanus. With an apparent visual magnitude is 4.81, [2] it can be seen with the naked eye on a clear, dark night. Based upon an annual parallax shift of 4.41 milliarcseconds, [1] it is located roughly 740 light-years away from the Sun.