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public  Cenxi, Cina Cenxi, Cina  ⓘ
TimezoneAsia/Shanghai
Sunrise: 5:49 
Transit: 12:46 
Sunset: 19:43
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All Constellations » Cassiopeia » 

Segin - ε Cassiopeiae (epsilon Cassiopeiae)

Above the horizon.  Circumpolar today
Alt: 8.74°   Az: 18.48°   Direction: South

Segin, also designated as ε Cassiopeiae (epsilon Cassiopeiae), is a variable giant star of spectral class B3 in the constellation of Cassiopeia.

Segin visual magnitude is 3.38. Because of its moderate brightness, Segin is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of Segin - ε Cassiopeiae (epsilon Cassiopeiae) star
DSS2 image of Segin. The red arrow shows the motion of Segin during the next 10000 years (5.33 arcmin in Right Ascension and -3.50 arcmin in declination);

Celestial Coordinates

Apparent

01h 56m 15s
+63° 47’ 39”
15h 00m 46s
16h 57m 02s

J2000

01h 54m 23s
+63° 40’ 12”

Galactic Coordinates

129.84°
1.65°

Finder Chart

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Finder chart for Segin - ε Cassiopeiae (epsilon Cassiopeiae).

Magnitude, Color, Spectral Class

3.38
Giant

-2.28
B3III
12489K

The red dot in the diagram below shows where Segin is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of Segin. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

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.

135.50
441.73
-8 km/s
0.032 arcsec/y
-0.021"/y

Alternative Designations

Segin
ε Cassiopeiae
(epsilon Cassiopeiae)
45 Cassiopeiae
SAO12031
SAO12031

Visibility from Your Location

Segin - ε Cassiopeiae (epsilon Cassiopeiae) is circumpolar and transits at 00:22 UTC (altitude: 54.5°)