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・ Zeta Aquarii
・ Zeta Aquilae
・ Zeta Arae
・ Zeta argillaceum
・ Zeta Arietis
・ Zeta Aurigae
・ Zeta Banovina
・ Zeta Beta Tau
・ Zeta Bosio
・ Zeta Boötis
・ Zeta Caeli
・ Zeta Cancri
・ Zeta Canis Majoris
・ Zeta Canis Minoris
・ Zeta Capricorni
Zeta Cassiopeiae
・ Zeta Centauri
・ Zeta Cephei
・ Zeta Ceti
・ Zeta Chamaeleontis
・ Zeta Chi
・ Zeta Chi Phi
・ Zeta Circini
・ Zeta Coronae Australis
・ Zeta Coronae Borealis
・ Zeta Corse
・ Zeta Corvi
・ Zeta Crateris
・ Zeta Crucis
・ Zeta Cygni


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Zeta Cassiopeiae : ウィキペディア英語版
Zeta Cassiopeiae


Zeta Cassiopeiae (ζ Cas, ζ Cassiopeiae) is a star in the constellation Cassiopeia. It has a blue-white hue and is classified as a B-type subgiant with an apparent magnitude of +3.66. It is approximately 590 light years from Earth.
ζ Cas is a probable member of an unusual group of variable stars known as "Slowly Pulsating B" (SPB) stars.〔 It shows a pulsation frequency of 0.64 per day (or once every 1.56 days) and displays a weak magnetic field with a strength of roughly , which varies with a period of 5.37 days.〔 This likely matches the rotation rate of the star, which, when combined with the low projected rotational velocity, indicates the star may be seen nearly pole-on. Zeta Cassiopeiae is a candidate magnetic Bp star that shows an overabundance of helium. The star contains a randomly oriented fossil magnetic field, which impacts the outflow of the stellar wind. Collisions between streams from this stellar wind creates a shock front, with cooling particles settling toward a co-rotating disk.〔
==Chinese name==
In Chinese astronomy, Zeta Cassiopeiae is called 附路, Pinyin: Fùlù, meaning ''

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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