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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: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Cancer » 

ω2 Cancri (omega2 Cancri)

Altitude: 42.8°   Azimuth: 103.5°   Direction: East-South-East

ω2 Cancri is a multiple main-sequence star in the constellation of Cancer.

ω2 Cancri visual magnitude is 6.31. Because of its reltive faintness, ω2 Cancri 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 ω2 Cancri is -0.021 arcsec per year in Right Ascension and 0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ω2 Cancri (omega2 Cancri) star
DSS2 image of ω2 Cancri. The red arrow shows the motion of ω2 Cancri during the next 10000 years (-3.50 arcmin in Right Ascension and 3.33 arcmin in declination);

Key facts about ω2 Cancri


ω2 Cancri (omega2 Cancri) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 42.8°
Azimuth: 103.5°
Direction: East-South-East

Celestial coordinates and finder chart of ω2 Cancri

ω2 Cancri is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ω2 Cancri are provided in the following table:

08h 01m 43s
+25° 05’ 22”

The simplified sky map below shows the position of ω2 Cancri in the sky:

Finder chart ω2 Cancri (omega2 Cancri) star
Simplified finder chart for ω2 Cancri (omega2 Cancri).

Visibility of ω2 Cancri 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 ω2 Cancri (omega2 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: 64.9°
Max altitude: 63.6°
Azimuth: 295.1°

Distance of ω2 Cancri from the Sun and relative movement

ω2 Cancri is distant 598.17 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

183.49 pc
598.17 ly
-9 km/s
-0.021 arcsec/year
0.02 arcsec/year

Spectral properties of ω2 Cancri

ω2 Cancri belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where ω2 Cancri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ω2 Cancri. Attribution: Richard Powell / CC BY-SA

ω2 Cancri star system properties

ω2 Cancri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the ω2 Cancri double sysyem:

109.3 arcsec

Alternative designations of ω2 Cancri

ω2 Cancri
(omega2 Cancri)