HR8224

Above the horizon. Circumpolar today

Alt: 40.05° Az: 40.71° Direction: North-East

HR8224 is a variable and double giant star of spectral class M3 in the constellation of Cepheus.

HR8224 visual magnitude is 6.1. Because of its faintness, HR8224 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 HR8224. The red arrow shows the motion of HR8224 during the next 10000 years (-3.67 arcmin in Right Ascension and -3.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 28m 07s

Declination +59° 51’ 40”

Hour Angle 17h 35m 39s

Sidereal Time 15h 03m 46s

J2000

Right Ascension 21h 27m 25s

Declination +59° 45’ 00”

Galactic Coordinates

Galactic Longitude 99.73°

Galactic Latitude 6.42°

Finder Chart

Loading map...

Finder chart for HR8224.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.1

Class Giant

Absolute magnitude -1.29

Spectral Type M3III

Color Index (B-V) 1.75

Temperature 3453K

The red dot in the diagram below shows where HR8224 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8224. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8224 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 HR8224 double sysyem:

Main star magnitude 6.1

Secondary star magnitude 10.8

Magnitude difference 4.7

Separation 11.2 arcsec

Distance, Radial Speed, Proper Motion

HR8224 is distant 981.93 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

Distance (parsec) 301.20

Distance (light year) 981.93

Radial Speed -16 km/s

Proper Motion RA -0.022 arcsec/y

Proper Motion Dec -0.018"/y

Alternative Designations

Henry Draper Catalogue HD204599

SAO Catalogue SAO33443

Hipparcos Catalogue HIP105949

Durchmusterung Catalogue BD+59 2383

FK5 Catalogue 3717

General Catalogue of Variable Stars 13729

Aitken Double Star Catalogue ADS14998

Visibility from Your Location

HR8224 is circumpolar and transits at 05:59 UTC (altitude: 81.6°)

Set Location

Other stars in Cepheus