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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:56 
Transit: 12:56 
Sunset: 20:58
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All Constellations » Cassiopeia » 

4 Cassiopeiae

Above the horizon.  Circumpolar today
Alt: 64.81°   Az: 47.70°   Direction: North-East

4 Cassiopeiae is a variable and multiple giant star of spectral class M1 in the constellation of Cassiopeia.

4 Cassiopeiae visual magnitude is 4.98. Because of its moderate brightness, 4 Cassiopeiae 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 4 Cassiopeiae star
DSS2 image of 4 Cassiopeiae. The red arrow shows the motion of 4 Cassiopeiae during the next 10000 years (1.83 arcmin in Right Ascension and -2.17 arcmin in declination);

Celestial Coordinates

Apparent

23h 25m 58s
+62° 25’ 21”
21h 08m 37s
20h 34m 36s

J2000

23h 24m 50s
+62° 16’ 58”

Galactic Coordinates

113.05°
1.08°

Finder Chart

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Finder chart for 4 Cassiopeiae.

Magnitude, Color, Spectral Class

4.98
Giant

-1.89
M1III
3541K

The red dot in the diagram below shows where 4 Cassiopeiae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 4 Cassiopeiae. Attribution: Richard Powell / CC BY-SA

Star System Properties

4 Cassiopeiae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 4 Cassiopeiae double sysyem:

4.98
7.48
2.5
98.6 arcsec

Distance, Radial Speed, Proper Motion

4 Cassiopeiae is distant 770.69 light years from the Sun and it is moving towards the Sun at the speed of 37 kilometers per second.

236.41
770.69
-37 km/s
0.011 arcsec/y
-0.013"/y

Alternative Designations

4 Cassiopeiae
SAO20614
SAO20614

Visibility from Your Location

4 Cassiopeiae is circumpolar and transits at 07:13 UTC (altitude: 79.1°)