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Ruchbah, Delta Cas, lies both at the center of the picture and in the heart of Cassiopeia's delightful Milky Way.
Alpha Aquarii, Sadalmelik, Sadal Melik, Sadalmelek, Sadlamulk, El Melik, Saad el Melik, Ruchbah
2.95
760
* sacd al-malik/mulk Luck of the king/kinghood
* Rucbah shared with δ Cassiopeiae
γ
48
Gamma Aquarii, Sadachbia, Sadalachbia
3.86
158 ...
Named Stars: SHEDIR (Alpha Cas) Caph (Beta Cas) Ruchbah (Delta Cas) Segin (Epsilon Cas) Achird (Eta Cas) Marfak (Theta Cas) Marfak (Mu Cas)
Two open clusters are visible in binoculars within the constellation.
[1881] delta Cassiopeiae, also known as Ksora or Ruchbah ("knee") is an eclipsing binary star about 99 light-years distant. It has an apparent visual magnitude that varies between 2.68 and 2.71.
Segin in Becvar; Allen gives Ruchbah, a name more commonly applied to HR 403.
Main named stars in Cassiopeia: (Greek alphabet)
Achird (η Cas), Caph (β Cas), Chi (γ Cas), Marfak (θ,μ Cas), Ruchbah (δ Cas), Schedar (α Cas), Segin (Navi, ε Cas).
Regulus Alpha Leonis
Rigel Beta Orionis
Rigil Kentaurus Alpha Centauri
Rijl al Awwa Mu Virginis
Rotanev Beta Delphini
Ruchba Omega-2 Cygni
Ruchbah Delta Cassiopeiae
Rukbat Alpha Sagittarii
Rukh Delta Cygni ...
Beta Cassiopeiae is known as Caph from the Arabic meaning ‘stained hand', as the stars of Cassiopeia were thought by them to represent a hand stained with henna. Delta Cassiopeiae is named Ruchbah, from the Arabic for ‘knee', rukbat.
The middle star, known as Gamma Cass for want of a historical name, is a brilliant white binary, magnitudes 2 and 11, the first star found with bright emission spectral lines. The last two stars, nearest Polaris, share one name, Ruchbah, ...
 See also: Ruchba, Cassiopeia, Magnitude, Delta, Star
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