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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sunny DaytimeWhat's Visible Now?
All Constellations » Cancer » 

Nahn - ξ Cancri (xi Cancri)

Altitude: -1.6°   Azimuth: 309.6°   Direction: North-West

Nahn, also designated as ξ Cancri (xi Cancri), is a double giant star in the constellation of Cancer.

Nahn visual magnitude is 5.14. Because of its reltive faintness, Nahn 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 Nahn:


Nahn - ξ Cancri (xi Cancri) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.6°
Azimuth: 309.6°
Direction: North-West

Celestial coordinates and finder chart of Nahn

Nahn 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 Nahn are provided in the following table:

09h 09m 21s
+22° 02’ 44”

The simplified sky map below shows the position of Nahn in the sky:

Finder chart Nahn - ξ Cancri (xi Cancri) star
Simplified finder chart for Nahn - ξ Cancri (xi Cancri).

Visibility of Nahn 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 Nahn - ξ Cancri (xi Cancri) 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: 68.0°
Max altitude: 60.6°
Azimuth: 292.0°

Digitized Sky Survey image of Nahn

The image below is a photograph of Nahn 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 Nahn is 0.001 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of Nahn - ξ Cancri (xi Cancri) star
DSS2 image of Nahn. The red arrow shows the motion of Nahn during the next 100000 years (1.67 arcmin in Right Ascension and 8.33 arcmin in declination);

Distance of Nahn from the Sun and relative movement

Nahn is distant 380.40 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

116.69 pc
380.40 ly
-7 km/s
0.001 arcsec/year
0.005 arcsec/year

Spectral properties of Nahn

Nahn belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.


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

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

Nahn star system properties

Nahn 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 Nahn double sysyem:

0.1 arcsec

Alternative designations of Nahn

ξ Cancri
(xi Cancri)