τ Cancri (tau Cancri)

Above the horizon. Rise: 8:25 | Tran: 17:23 | Set: 2:26

Alt: 64.13° Az: 140.89° Direction: South-East

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

τ Cancri visual magnitude is 5.43. Because of its faintness, τ 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 τ Cancri. The red arrow shows the motion of τ Cancri during the next 10000 years (-5.33 arcmin in Right Ascension and 0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 09m 31s

Declination +29° 33’ 01”

Hour Angle 22h 46m 13s

Sidereal Time 07h 55m 44s

J2000

Right Ascension 09h 08m 00s

Declination +29° 39’ 15”

Galactic Coordinates

Galactic Longitude 196.07°

Galactic Latitude 41.28°

Finder Chart

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Finder chart for τ Cancri (tau Cancri).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.43

Class Giant

Absolute magnitude 0.92

Spectral Type G8III

Color Index (B-V) 0.89

Temperature 5023K

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

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

Distance, Radial Speed, Proper Motion

τ Cancri is distant 259.55 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

Distance (parsec) 79.62

Distance (light year) 259.55

Radial Speed -13 km/s

Proper Motion RA -0.032 arcsec/y

Proper Motion Dec 0.002"/y

Alternative Designations

Bayer designation τ Cancri
(tau Cancri)

Flamsteed designation 72 Cancri

Henry Draper Catalogue HD78235

SAO Catalogue SAO80650

Hipparcos Catalogue HIP44818

Durchmusterung Catalogue BD+30 1817

FK5 Catalogue 2719

Visibility from Your Location

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

Azimuth: 60.4° RISE 8:25

Max altitude: 68.1° TRANSIT 17:23

Azimuth: 299.6° SET 2:26

Set Location

Other stars in Cancer