HR1230

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

HR1230 visual magnitude is 5.1. Because of its reltive faintness, HR1230 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR1230:

Color of HR1230 ⬤

Magnitude of HR1230 5.1

Class Giant

VISIBILITY RIGHT NOW HR1230 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 49°.

Celestial coordinates and finder chart of HR1230

HR1230 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1230 are provided in the following table:

Right Ascension J2000 04h 10m 02s

Declination J2000 +80° 41’ 54”

Galactic Longitude 130.51°

Galactic Latitude 20.91°

Constellation Cepheus

The simplified sky map below shows the position of HR1230 in the sky:

Simplified finder chart for HR1230.

Visibility of HR1230 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR1230 is circumpolar and transits at 15:31 UTC (altitude: 60.8°)

Digitized Sky Survey image of HR1230

The image below is a photograph of HR1230 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR1230 is -0.017 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

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);

Distance of HR1230 from the Sun and relative movement

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 pc

Distance (light year) 345.34 ly

Heliocentric radial velocity 4 km/s

Proper Motion RA -0.017 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of HR1230

HR1230 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.03

Spectral Type G8III

Color Index (B-V) 0.56

Temperature of HR1230 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

HR1230 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

Alternative designations of HR1230

Henry Draper Catalogue HD25007

SAO Catalogue SAO650

Hipparcos Catalogue HIP19461

Durchmusterung Catalogue BD+80 125

Aitken Double Star Catalogue ADS2963

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Other stars in Cepheus