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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:35 
Transit: 12:55 
Sunset: 19:14
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All Constellations » Cygnus » 

ω2 Cygni (omega2 Cygni)

Above the horizon.  Circumpolar today
Alt: 30.43°   Az: 47.63°   Direction: North-East

ω2 Cygni is a variable and double giant star of spectral class M2 in the constellation of Cygnus.

ω2 Cygni visual magnitude is 5.44. Because of its faintness, ω2 Cygni is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of ω2 Cygni (omega2 Cygni) star
DSS2 image of ω2 Cygni. The red arrow shows the motion of ω2 Cygni during the next 10000 years (2.00 arcmin in Right Ascension and -4.67 arcmin in declination);

Celestial Coordinates

Apparent

20h 32m 04s
+49° 18’ 17”
17h 10m 42s
13h 42m 47s

J2000

20h 31m 18s
+49° 13’ 13”

Galactic Coordinates

86.41°
5.73°

Finder Chart

Finder chart ω2 Cygni (omega2 Cygni) star
Simplified finder chart for ω2 Cygni (omega2 Cygni).

Magnitude, Color, Spectral Class

5.44
Giant

-0.03
M2III
3720K

The red dot in the diagram below shows where ω2 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ω2 Cygni. Attribution: Richard Powell / CC BY-SA

Star System Properties

ω2 Cygni is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the ω2 Cygni double sysyem:

5.44
10.14
4.7
56.8 arcsec

Distance, Radial Speed, Proper Motion

ω2 Cygni is distant 403.97 light years from the Sun and it is moving towards the Sun at the speed of 64 kilometers per second.

123.92
403.97
-64 km/s
0.012 arcsec/y
-0.028"/y

Alternative Designations

ω2 Cygni
(omega2 Cygni)
SAO49741
SAO49741

Visibility from Your Location

ω2 Cygni (omega2 Cygni) is circumpolar and transits at 20:54 UTC (altitude: 87.8°)