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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
SunriseRise: 6:08  
clear_day Transit: 12:59  
SunsetSet: 19:51
sunny DaytimeWhat's Visible Now?
All Constellations » Capricornus » 

ξ1 Capricorni (xi1 Capricorni)

Altitude: 15.3°   Azimuth: 225.5°   Direction: South-West

ξ1 Capricorni is a hypergiant star in the constellation of Capricornus.

ξ1 Capricorni visual magnitude is 6.34. Because of its reltive faintness, ξ1 Capricorni should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of ξ1 Capricorni is -0.005 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ξ1 Capricorni (xi1 Capricorni) star
DSS2 image of ξ1 Capricorni. The red arrow shows the motion of ξ1 Capricorni during the next 10000 years (-0.83 arcmin in Right Ascension and -2.83 arcmin in declination);

Key facts about ξ1 Capricorni


ξ1 Capricorni (xi1 Capricorni) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 15.3°
Azimuth: 225.5°
Direction: South-West

Celestial coordinates and finder chart of ξ1 Capricorni

ξ1 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 ξ1 Capricorni are provided in the following table:

20h 11m 57s
-12° 23’ 33”

The simplified sky map below shows the position of ξ1 Capricorni in the sky:

Finder chart ξ1 Capricorni (xi1 Capricorni) star
Simplified finder chart for ξ1 Capricorni (xi1 Capricorni).

Visibility of ξ1 Capricorni 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 ξ1 Capricorni (xi1 Capricorni) 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: 102.4°
Max altitude: 26.1°
Azimuth: 257.6°

Distance of ξ1 Capricorni from the Sun and relative movement

ξ1 Capricorni is distant 482.96 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

148.15 pc
482.96 ly
1 km/s
-0.005 arcsec/year
-0.017 arcsec/year

Spectral properties of ξ1 Capricorni

ξ1 Capricorni belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where ξ1 Capricorni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ξ1 Capricorni. Attribution: Richard Powell / CC BY-SA

Alternative designations of ξ1 Capricorni

ξ1 Capricorni
(xi1 Capricorni)
1 Capricorni