Your guide to the Solar System and the night sky
Latest Perseverance Images received 0 hours 16 mins ago for Sol86, Sol85, Sol84, Sol83, Sol82
🌎  Greenwich, United Kingdom [change]

ξ1 Capricorni (xi1 Capricorni)

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 skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about ξ1 Capricorni:

6.34
Hypergiant
ξ1 Capricorni (xi1 Capricorni) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 0°.

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”
30.58°
-23.39°
Capricornus

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 [change]
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 [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 102.4°
Max altitude: 26.1°
Azimuth: 257.6°
ξ1 Capricorni (xi1 Capricorni) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of ξ1 Capricorni

The image below is a photograph of ξ1 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 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);

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.

0.49
K0III
4289K

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
SAO163328
SAO163328