HR1230

Above the horizon. Circumpolar today

Alt: 42.43° Az: 2.72° Direction: North

HR1230 is a double giant star of spectral class G8 in the constellation of Cepheus.

HR1230 visual magnitude is 5.1. Because of its faintness, HR1230 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 HR1230. The red arrow shows the motion of HR1230 during the next 10000 years (-2.83 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 14m 26s

Declination +80° 45’ 45”

Hour Angle 12h 50m 24s

Sidereal Time 17h 04m 50s

J2000

Right Ascension 04h 10m 02s

Declination +80° 41’ 54”

Galactic Coordinates

Galactic Longitude 130.51°

Galactic Latitude 20.91°

Finder Chart

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Finder chart for HR1230.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.1

Class Giant

Absolute magnitude -0.03

Spectral Type G8III

Color Index (B-V) 0.56

Temperature 6129K

The red dot in the diagram below shows where HR1230 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1230. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1230 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR1230 double sysyem:

Main star magnitude 5.1

Secondary star magnitude 5.9

Magnitude difference 0.8

Separation 0.8 arcsec

Distance, Radial Speed, Proper Motion

HR1230 is distant 345.34 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 105.93

Distance (light year) 345.34

Radial Speed 4 km/s

Proper Motion RA -0.017 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD25007

SAO Catalogue SAO650

Hipparcos Catalogue HIP19461

Durchmusterung Catalogue BD+80 125

Aitken Double Star Catalogue ADS2963

Visibility from Your Location

HR1230 is circumpolar and transits at 12:20 UTC (altitude: 60.7°)

Set Location

Other stars in Cepheus