Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Segong, China Segong, China  ⓘ
TimezoneAsia/Urumqi
Sunrise: 4:55 
Transit: 11:57 
Sunset: 18:59
Search  close
All Constellations » Cygnus » 

4 Cygni

Below the horizon.  Rise: 16:07 | Tran: 23:55 | Set: 7:47
Alt: -19.94°   Az: 346.95°   Direction: North-North-West

4 Cygni is a variable star of spectral class B9 in the constellation of Cygnus.

4 Cygni visual magnitude is 5.15. Because of its faintness, 4 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 4 Cygni star
DSS2 image of 4 Cygni. The red arrow shows the motion of 4 Cygni during the next 10000 years (0.83 arcmin in Right Ascension and 2.33 arcmin in declination);

Celestial Coordinates

Apparent

19h 27m 04s
+36° 22’ 12”
10h 58m 52s
06h 25m 56s

J2000

19h 26m 09s
+36° 19’ 04”

Galactic Coordinates

69.11°
9.31°

Finder Chart

loader
  Loading map...
Finder chart for 4 Cygni.

Magnitude, Color, Spectral Class

5.15
4 Cygni is also a Si chemically peculiar star.

-1.36
B9
11920K

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

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

Distance, Radial Speed, Proper Motion

4 Cygni is distant 653.31 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

200.40
653.31
-22 km/s
0.005 arcsec/y
0.014"/y

Alternative Designations

SAO68301
SAO68301

Visibility from Your Location

Today's 4 Cygni rise, transit and set times from Segong, China are the following (all times relative to the local timezone Asia/Urumqi):

Azimuth: 53.6°
Max altitude: 85.8°
Azimuth: 306.4°