HR8702

Above the horizon. Circumpolar today

Alt: 54.31° Az: 10.10° Direction: North

HR8702 is a double giant star of spectral class K3 in the constellation of Cepheus.

HR8702 visual magnitude is 4.74. Because of its moderate brightness, HR8702 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR8702. The red arrow shows the motion of HR8702 during the next 10000 years (3.50 arcmin in Right Ascension and 8.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 47m 18s

Declination +83° 17’ 17”

Hour Angle 19h 55m 28s

Sidereal Time 18h 42m 46s

J2000

Right Ascension 22h 47m 29s

Declination +83° 09’ 14”

Galactic Coordinates

Galactic Longitude 119.16°

Galactic Latitude 21.21°

Finder Chart

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Finder chart for HR8702.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.74

Class Giant

Absolute magnitude -0.25

Spectral Type K3III

Color Index (B-V) 1.26

Temperature 4194K

The red dot in the diagram below shows where HR8702 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8702. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8702 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 HR8702 double sysyem:

Main star magnitude 4.74

Secondary star magnitude 9.44

Magnitude difference 4.7

Separation 3.5 arcsec

Distance, Radial Speed, Proper Motion

HR8702 is distant 324.06 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

Distance (parsec) 99.40

Distance (light year) 324.06

Radial Speed -31 km/s

Proper Motion RA 0.021 arcsec/y

Proper Motion Dec 0.049"/y

Alternative Designations

Henry Draper Catalogue HD216446

SAO Catalogue SAO3794

Hipparcos Catalogue HIP112519

Durchmusterung Catalogue BD+82 703

Aitken Double Star Catalogue ADS16294

Visibility from Your Location

HR8702 is circumpolar and transits at 06:11 UTC (altitude: 58.2°)

Set Location

Other stars in Cepheus