Segin - ε Cassiopeiae (epsilon Cassiopeiae)
Segin, also designated as ε Cassiopeiae (epsilon Cassiopeiae), is a variable giant star in the constellation of Cassiopeia.
Segin visual magnitude is 3.38. Because of its moderate brightness, Segin should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about Segin:
Celestial coordinates and finder chart of Segin
Segin 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 Segin are provided in the following table:
The simplified sky map below shows the position of Segin in the sky:
Visibility of Segin from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Segin - ε Cassiopeiae (epsilon Cassiopeiae) is circumpolar and transits at 21:03 UTC (altitude: 77.8°)
Digitized Sky Survey image of Segin
The image below is a photograph of Segin 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 Segin is 0.032 arcsec per year in Right Ascension and -0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Segin from the Sun and relative movement
Segin is distant 441.73 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.
Spectral properties of Segin
Segin belongs to spectral class B3 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Segin is situated in the Hertzsprung–Russell diagram.
