Ruchbah - δ Cassiopeiae (delta Cassiopeiae)
Ruchbah, also designated as δ Cassiopeiae (delta Cassiopeiae), is a variable and double giant star in the constellation of Cassiopeia.
Ruchbah visual magnitude is 2.68. Thanks to its high brightness, Ruchbah is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Ruchbah:
Celestial coordinates and finder chart of Ruchbah
Ruchbah is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Ruchbah are provided in the following table:
The simplified sky map below shows the position of Ruchbah in the sky:
Visibility of Ruchbah from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Ruchbah - δ Cassiopeiae (delta Cassiopeiae) is circumpolar and transits at 12:43 UTC (altitude: 81.2°)
Digitized Sky Survey image of Ruchbah
The image below is a photograph of Ruchbah from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Ruchbah is 0.297 arcsec per year in Right Ascension and -0.051 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Ruchbah from the Sun and relative movement
Ruchbah is distant 99.36 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.
Spectral properties of Ruchbah
Ruchbah belongs to spectral class A5 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Ruchbah is situated in the Hertzsprung–Russell diagram.
Ruchbah star system properties
Ruchbah is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Ruchbah double sysyem: