σ3 Cancri (sigma3 Cancri)

Above the horizon. Rise: 8:51 | Tran: 18:18 | Set: 3:49

Alt: 9.86° Az: 49.23° Direction: North-East

σ3 Cancri is a double giant star of spectral class G8 in the constellation of Cancer.

σ3 Cancri visual magnitude is 5.2. Because of its faintness, σ3 Cancri is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of σ3 Cancri. The red arrow shows the motion of σ3 Cancri during the next 10000 years (-7.50 arcmin in Right Ascension and -5.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 01m 05s

Declination +32° 19’ 06”

Hour Angle 16h 08m 00s

Sidereal Time 01h 09m 06s

J2000

Right Ascension 08h 59m 32s

Declination +32° 25’ 06”

Galactic Coordinates

Galactic Longitude 192.05°

Galactic Latitude 40.01°

Finder Chart

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Finder chart for σ3 Cancri (sigma3 Cancri).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.2

Class Giant

Absolute magnitude 0.24

Spectral Type G8III

Color Index (B-V) 0.93

Temperature 4917K

The red dot in the diagram below shows where σ3 Cancri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of σ3 Cancri. Attribution: Richard Powell / CC BY-SA

Star System Properties

σ3 Cancri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the σ3 Cancri double sysyem:

Main star magnitude 5.2

Secondary star magnitude 9

Magnitude difference 3.8

Separation 89.3 arcsec

Distance, Radial Speed, Proper Motion

σ3 Cancri is distant 319.92 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

Distance (parsec) 98.14

Distance (light year) 319.92

Radial Speed 23 km/s

Proper Motion RA -0.045 arcsec/y

Proper Motion Dec -0.035"/y

Alternative Designations

Bayer designation σ3 Cancri
(sigma3 Cancri)

Flamsteed designation 64 Cancri

Henry Draper Catalogue HD76813

SAO Catalogue SAO61177

Hipparcos Catalogue HIP44154

Durchmusterung Catalogue BD+32 1821

FK5 Catalogue 1232

Visibility from Your Location

Today's σ3 Cancri (sigma3 Cancri) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 57.7° RISE 8:51

Max altitude: 70.8° TRANSIT 18:18

Azimuth: 302.3° SET 3:49

Set Location

Other stars in Cancer