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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
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All Constellations » Vulpecula » 

13 Vulpeculae

Altitude: 12.3°   Azimuth: 66.7°   Direction: East-North-East

13 Vulpeculae is a double giant star in the constellation of Vulpecula.

13 Vulpeculae visual magnitude is 4.58. Because of its moderate brightness, 13 Vulpeculae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 13 Vulpeculae:


13 Vulpeculae is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 12.3°
Azimuth: 66.7°
Direction: East-North-East

Celestial coordinates and finder chart of 13 Vulpeculae

13 Vulpeculae is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 13 Vulpeculae are provided in the following table:

19h 53m 27s
+24° 04’ 46”

The simplified sky map below shows the position of 13 Vulpeculae in the sky:

Finder chart 13 Vulpeculae star
Simplified finder chart for 13 Vulpeculae.

Visibility of 13 Vulpeculae from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 13 Vulpeculae rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.9°
Max altitude: 62.6°
Azimuth: 294.1°

Digitized Sky Survey image of 13 Vulpeculae

The image below is a photograph of 13 Vulpeculae from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 13 Vulpeculae is 0.027 arcsec per year in Right Ascension and 0.038 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 13 Vulpeculae star
DSS2 image of 13 Vulpeculae. The red arrow shows the motion of 13 Vulpeculae during the next 10000 years (4.50 arcmin in Right Ascension and 6.33 arcmin in declination);

Distance of 13 Vulpeculae from the Sun and relative movement

13 Vulpeculae is distant 359.03 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

110.13 pc
359.03 ly
-28 km/s
0.027 arcsec/year
0.038 arcsec/year

Spectral properties of 13 Vulpeculae

13 Vulpeculae belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 13 Vulpeculae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 13 Vulpeculae. Attribution: Richard Powell / CC BY-SA

13 Vulpeculae star system properties

13 Vulpeculae is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 13 Vulpeculae double sysyem:

1 arcsec

Alternative designations of 13 Vulpeculae

13 Vulpeculae