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Cassiopeia (listen ⓘ) is a constellation and asterism in the northern sky named after the vain queen Cassiopeia, mother of Andromeda, in Greek mythology, who boasted about her unrivaled beauty. Cassiopeia was one of the 48 constellations listed by the 2nd-century Greek astronomer Ptolemy , and it remains one of the 88 modern constellations today.
Poseidon's punishment: Cassiopeia as a constellation sitting in the heavens tied to a chair. Hyginus, Poeticon Astronomicon. "U.S. Naval Observatory Library" Cassiopeia (/ ˌ k æ s i. oʊ ˈ p iː. ə /; [1] Ancient Greek: Κασσιόπεια Kassiópeia, Modern Greek: Κασσιόπη Kassiópē) or Cassiepeia (Κασσιέπεια Kassiépeia), a figure in Greek mythology, was Queen of ...
Eta Cassiopeiae (η Cassiopeiae, abbreviated Eta Cas, η Cas) is a binary star system in the northern constellation of Cassiopeia. Its binary nature was first discovered by William Herschel in August 1779. Based upon parallax measurements, the distance to this system is 19.42 light-years (5.95 parsecs) from the Sun. [1]
2 Cassiopeiae (2 Cas) is a white bright giant in the constellation Cassiopeia, about 2,800 light years away. It is a chemically peculiar Am star . 2 Cassiopeiae has been described as an A4 type bright giant, but its spectrum is not easy to classify.
V762 Cassiopeiae is a red supergiant and a variable star located about 2,500 light-years away in the Cassiopeia constellation. Its apparent magnitude vary between 5.82 and 5.95, which makes it faintly visible to the naked eye under dark skies. It is a relatively cool star with an average surface temperature of 3,869 K.
Theta Cassiopeiae or θ Cassiopeiae is a solitary [3] star in the northern constellation of Cassiopeia.It shares the traditional name Marfak / ˈ m ɑːr f æ k / with μ Cassiopeiae, positioned less than half a degree to the WSW, [11] which is derived from the Arabic term Al Marfik or Al Mirfaq (المرفق), meaning "the elbow". [12]
λ Cassiopeiae in optical light. Lambda Cassiopeiae, Latinized from λ Cassiopeiae, is a binary star system, in the northern constellation of Cassiopeia.The system has a combined apparent magnitude of +4.74, making it faintly visible to the naked eye.
Zeta Cassiopeiae, Latinized from ζ Cassiopeiae, and officially named Fulu / ˈ f uː l uː /, [11] is a variable star [10] in the constellation of Cassiopeia.It has a blue-white hue and is classified as a B-type subgiant with an apparent magnitude of +3.66, making it visible to the naked eye.