66 Cancri

Above the horizon. Rise: 14:04 | Tran: 23:29 | Set: 8:59

Alt: 65.53° Az: 225.77° Direction: South-West

66 Cancri is a multiple main-sequence star of spectral class A2 in the constellation of Cancer.

66 Cancri visual magnitude is 5.82. Because of its faintness, 66 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 66 Cancri. The red arrow shows the motion of 66 Cancri during the next 100000 years (-6.67 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 02m 56s

Declination +32° 09’ 09”

Hour Angle 01h 22m 05s

Sidereal Time 10h 25m 01s

J2000

Right Ascension 09h 01m 24s

Declination +32° 15’ 08”

Galactic Coordinates

Galactic Longitude 192.36°

Galactic Latitude 40.36°

Finder Chart

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Finder chart for 66 Cancri.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.82

Class Main-sequence

Absolute magnitude -0.15

Spectral Type A2V

Color Index (B-V) 0

Temperature 10125K

The red dot in the diagram below shows where 66 Cancri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 66 Cancri. Attribution: Richard Powell / CC BY-SA

Star System Properties

66 Cancri is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 66 Cancri double sysyem:

Main star magnitude 5.82

Secondary star magnitude 8.12

Magnitude difference 2.3

Separation 4.6 arcsec

Distance, Radial Speed, Proper Motion

66 Cancri is distant 509.38 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

Distance (parsec) 156.25

Distance (light year) 509.38

Radial Speed -13 km/s

Proper Motion RA -0.004 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Flamsteed designation 66 Cancri

Henry Draper Catalogue HD77104

SAO Catalogue SAO61202

Hipparcos Catalogue HIP44307

Durchmusterung Catalogue BD+32 1829

Aitken Double Star Catalogue ADS7137

Visibility from Your Location

Today's 66 Cancri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 57.8° RISE 14:04

Max altitude: 70.7° TRANSIT 23:29

Azimuth: 302.2° SET 8:59

Set Location

Other stars in Cancer