Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

ζ Capricorni (zeta Capricorni)

ζ Capricorni is a double supergiant star in the constellation of Capricornus.

ζ Capricorni visual magnitude is 3.74. Because of its moderate brightness, ζ Capricorni 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 ζ Capricorni:

3.74
Supergiant
ζ Capricorni (zeta Capricorni) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 11°.

Celestial coordinates and finder chart of ζ Capricorni

ζ Capricorni 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 ζ Capricorni are provided in the following table:

21h 26m 39s
-22° 24’ 41”
26.98°
-43.59°
Capricornus

The simplified sky map below shows the position of ζ Capricorni in the sky:

Finder chart ζ Capricorni (zeta Capricorni) star
Simplified finder chart for ζ Capricorni (zeta Capricorni).

Visibility of ζ Capricorni from your location

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

Today's ζ Capricorni (zeta Capricorni) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.4°
Max altitude: 16.1°
Azimuth: 247.6°
ζ Capricorni (zeta Capricorni) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of ζ Capricorni

The image below is a photograph of ζ Capricorni 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 ζ Capricorni is 0.001 arcsec per year in Right Ascension and 0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ζ Capricorni (zeta Capricorni) star
DSS2 image of ζ Capricorni. The red arrow shows the motion of ζ Capricorni during the next 10000 years (0.17 arcmin in Right Ascension and 3.83 arcmin in declination);

Distance of ζ Capricorni from the Sun and relative movement

ζ Capricorni is distant 398.05 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

122.10 pc
398.05 ly
3 km/s
0.001 arcsec/year
0.023 arcsec/year

Spectral properties of ζ Capricorni

ζ Capricorni belongs to spectral class G4 and has a luminosity class of I corresponding to a supergiant star.

-1.69
G4I
4743K

The red dot in the diagram below shows where ζ Capricorni is situated in the Hertzsprung–Russell diagram.

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

ζ Capricorni star system properties

ζ Capricorni 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 ζ Capricorni double sysyem:

3.74
12.34
8.6
21.3 arcsec

Alternative designations of ζ Capricorni

ζ Capricorni
(zeta Capricorni)
34 Capricorni
SAO190341
SAO190341