Copernicus - ρ1 Cancri (rho1 Cancri)

Below the horizon. Rise: 9:24 | Tran: 18:11 | Set: 3:02

Alt: -4.84° Az: 29.70° Direction: North-North-East

Copernicus, also designated as ρ1 Cancri (rho1 Cancri), is a double main-sequence star of spectral class G8 in the constellation of Cancer.

Copernicus visual magnitude is 5.95. Because of its faintness, Copernicus 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.

Image of Copernicus - ρ1 Cancri (rho1 Cancri) star

DSS2 image of Copernicus. The red arrow shows the motion of Copernicus during the next 1000 years (-8.07 arcmin in Right Ascension and -3.90 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 08h 54m 07s

Declination +28° 14’ 01”

Hour Angle 14h 16m 19s

Sidereal Time 23h 10m 26s

J2000

Right Ascension 08h 52m 35s

Declination +28° 19’ 50”

Galactic Coordinates

Galactic Longitude 196.79°

Galactic Latitude 37.71°

Finder Chart

Loading map...

Finder chart for Copernicus - ρ1 Cancri (rho1 Cancri).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.95

Class Main-sequence

Absolute magnitude 5.46

Spectral Type G8V

Color Index (B-V) 0.87

Temperature 5078K

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

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

Star System Properties

Copernicus 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 Copernicus double sysyem:

Main star magnitude 5.95

Secondary star magnitude 12.95

Magnitude difference 7

Separation 85 arcsec

Distance, Radial Speed, Proper Motion

Copernicus is distant 40.85 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

Distance (parsec) 12.53

Distance (light year) 40.85

Radial Speed 27 km/s

Proper Motion RA -0.484 arcsec/y

Proper Motion Dec -0.234"/y

Alternative Designations

Proper Name Copernicus

Bayer designation ρ1 Cancri
(rho1 Cancri)

Flamsteed designation 55 Cancri

Henry Draper Catalogue HD75732

SAO Catalogue SAO80478

Hipparcos Catalogue HIP43587

Durchmusterung Catalogue BD+28 1660

Gliese Catalogue Gl 324 A

Visibility from Your Location

Today's Copernicus - ρ1 Cancri (rho1 Cancri) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 61.8° RISE 9:24

Max altitude: 66.8° TRANSIT 18:11

Azimuth: 298.2° SET 3:02

Set Location

Other stars in Cancer