HR8009

Above the horizon. Circumpolar today

Alt: 2.77° Az: 8.28° Direction: North

HR8009 is a double main-sequence star of spectral class B8 in the constellation of Cygnus.

HR8009 visual magnitude is 6.7. Because of its faintness, HR8009 is not visible to the naked eye.

DSS2 image of HR8009. The red arrow shows the motion of HR8009 during the next 10000 years (1.67 arcmin in Right Ascension and 0.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 55m 19s

Declination +40° 48’ 02”

Hour Angle 12h 43m 49s

Sidereal Time 09h 39m 08s

J2000

Right Ascension 20h 54m 22s

Declination +40° 42’ 11”

Galactic Coordinates

Galactic Longitude 82.21°

Galactic Latitude -2.72°

Finder Chart

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Finder chart for HR8009.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.7

Class Main-sequence

Absolute magnitude 0.12

Spectral Type B8V

Color Index (B-V) -0.07

Temperature 11092K

The red dot in the diagram below shows where HR8009 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8009. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8009 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 HR8009 double sysyem:

Main star magnitude 6.7

Secondary star magnitude 10.6

Magnitude difference 3.9

Separation 5.8 arcsec

Distance, Radial Speed, Proper Motion

HR8009 is distant 676.35 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 207.47

Distance (light year) 676.35

Radial Speed -22 km/s

Proper Motion RA 0.01 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Henry Draper Catalogue HD199218

SAO Catalogue SAO50209

Hipparcos Catalogue HIP103189

Durchmusterung Catalogue BD+40 4354

Aitken Double Star Catalogue ADS14413

Visibility from Your Location

HR8009 is circumpolar and transits at 05:34 UTC (altitude: 79.3°)

Set Location

Other stars in Cygnus