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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: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Cetus » 

ξ1 Ceti (xi1 Ceti)

Altitude: -22.0°   Azimuth: 39.3°   Direction: North-East

ξ1 Ceti is a variable and double bright giant star in the constellation of Cetus.

ξ1 Ceti visual magnitude is 4.37. Because of its moderate brightness, ξ1 Ceti 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 ξ1 Ceti:

Bright giant

ξ1 Ceti (xi1 Ceti) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -22.0°
Azimuth: 39.3°
Direction: North-East

Celestial coordinates and finder chart of ξ1 Ceti

ξ1 Ceti 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 Ceti are provided in the following table:

02h 13m 00s
+08° 50’ 48”

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

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

Visibility of ξ1 Ceti 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 Ceti (xi1 Ceti) 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: 81.2°
Max altitude: 47.4°
Azimuth: 278.8°

Digitized Sky Survey image of ξ1 Ceti

The image below is a photograph of ξ1 Ceti 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 Ceti is -0.022 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ξ1 Ceti (xi1 Ceti) star
DSS2 image of ξ1 Ceti. The red arrow shows the motion of ξ1 Ceti during the next 10000 years (-3.67 arcmin in Right Ascension and -1.50 arcmin in declination);

Distance of ξ1 Ceti from the Sun and relative movement

ξ1 Ceti is distant 361.82 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

110.99 pc
361.82 ly
-4 km/s
-0.022 arcsec/year
-0.009 arcsec/year

Spectral properties of ξ1 Ceti

ξ1 Ceti belongs to spectral class G6 and has a luminosity class of II corresponding to a bright giant star.


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

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

ξ1 Ceti star system properties

ξ1 Ceti 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 ξ1 Ceti double sysyem:

0 arcsec

Alternative designations of ξ1 Ceti

ξ1 Ceti
(xi1 Ceti)