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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.
Zeta Cassiopeiae, Latinized from ζ Cassiopeiae, and officially named Fulu / ˈ f uː l uː /, [9] is a variable star [8] 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. Based upon parallax measurements, it is approximately 590 light-years from the Sun.
Alpha Cassiopeiae or α Cassiopeiae, also named Schedar (/ ˈ ʃ ɛ d ɑːr /), [10] [11] is a second-magnitude star in the northern constellation of Cassiopeia.Though listed as the "alpha star" by Johann Bayer, α Cas's visual brightness closely matches the 'beta' (β) star in the constellation (Beta Cassiopeiae) and it may appear marginally brighter or dimmer, depending on which passband is ...
1 Cassiopeiae is a single [10] star in the northern constellation of Cassiopeia, located around 1,130 light years from the Sun. [1] It is visible to the naked eye as a faint, blue-white hued star with an apparent visual magnitude of +4.84. [2] This object is moving closer to the Earth with a heliocentric radial velocity of −9 km/s. [2]
Rho Cassiopeiae (/ ˌ r oʊ k æ s i ə ˈ p iː aɪ,-s i oʊ-,-iː /; ρ Cas, ρ Cassiopeiae) is a yellow hypergiant star in the constellation Cassiopeia.It is about 8,150 light-years (2,500 pc) from Earth, yet can still be seen by the naked eye as it is over 300,000 times brighter than the Sun.
Pages in category "Cassiopeia (constellation)" The following 164 pages are in this category, out of 164 total. This list may not reflect recent changes. ...
Upsilon 2 Cassiopeiae, Latinised from υ 2 Cassiopeiae, is a solitary star in the constellation of Cassiopeia, a few degrees to the south of Gamma Cassiopeiae.It has the proper name Castula / ˈ k æ s t j ʊ l ə /, which has been officially adopted by the IAU. [7]
Cassiopeia A (Cas A) (listen ⓘ) is a supernova remnant (SNR) in the constellation Cassiopeia and the brightest extrasolar radio source in the sky at frequencies above 1 GHz. The supernova occurred approximately 11,000 light-years (3.4 kpc ) away within the Milky Way ; [ 2 ] [ 3 ] given the width of the Orion Arm , it lies in the next-nearest ...