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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:12 
Transit: 12:56 
Sunset: 20:41
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All Constellations » Vulpecula » 

4 Vulpeculae

Above the horizon.  Rise: 21:12 | Tran: 5:01 | Set: 12:47
Alt: 25.22°   Az: 89.37°   Direction: East

4 Vulpeculae is a multiple hypergiant star of spectral class K0 in the constellation of Vulpecula.

4 Vulpeculae visual magnitude is 5.16. Because of its faintness, 4 Vulpeculae 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 Vulpeculae star
DSS2 image of 4 Vulpeculae. The red arrow shows the motion of 4 Vulpeculae during the next 1000 years (1.58 arcmin in Right Ascension and -1.05 arcmin in declination);

Celestial Coordinates

Apparent

19h 26m 35s
+19° 51’ 01”
19h 03m 34s
14h 30m 09s

J2000

19h 25m 28s
+19° 47’ 54”

Galactic Coordinates

54.35°
1.75°

Finder Chart

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Finder chart for 4 Vulpeculae.

Magnitude, Color, Spectral Class

5.16
Hypergiant

0.86
K0III
4791K

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

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

Star System Properties

4 Vulpeculae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 4 Vulpeculae double sysyem:

5.16
11.36
6.2
18.9 arcsec

Distance, Radial Speed, Proper Motion

4 Vulpeculae is distant 236.57 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

72.57
236.57
-1 km/s
0.095 arcsec/y
-0.063"/y

Alternative Designations

4 Vulpeculae
SAO104818
SAO104818

Visibility from Your Location

Today's 4 Vulpeculae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.1°
Max altitude: 58.4°
Azimuth: 289.9°