HR8025

Above the horizon. Circumpolar today

Alt: 83.30° Az: 91.44° Direction: East

HR8025 is a double hypergiant star of spectral class F0 in the constellation of Cygnus.

HR8025 visual magnitude is 5.81. Because of its faintness, HR8025 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 HR8025. The red arrow shows the motion of HR8025 during the next 10000 years (6.83 arcmin in Right Ascension and -2.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 57m 12s

Declination +50° 49’ 31”

Hour Angle 23h 17m 27s

Sidereal Time 20h 14m 39s

J2000

Right Ascension 20h 56m 25s

Declination +50° 43’ 42”

Galactic Coordinates

Galactic Longitude 90.1°

Galactic Latitude 3.49°

Finder Chart

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Finder chart for HR8025.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.81

Class Hypergiant

Absolute magnitude 2.18

Spectral Type F0III

Color Index (B-V) 0.3

Temperature 7462K

The red dot in the diagram below shows where HR8025 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8025. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8025 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR8025 double sysyem:

Main star magnitude 5.81

Secondary star magnitude 13.51

Magnitude difference 7.7

Separation 7.2 arcsec

Distance, Radial Speed, Proper Motion

HR8025 is distant 173.87 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 53.33

Distance (light year) 173.87

Radial Speed -15 km/s

Proper Motion RA 0.041 arcsec/y

Proper Motion Dec -0.015"/y

Alternative Designations

Henry Draper Catalogue HD199611

SAO Catalogue SAO33004

Hipparcos Catalogue HIP103359

Durchmusterung Catalogue BD+50 3233

FK5 Catalogue 3670

Aitken Double Star Catalogue ADS14460

Visibility from Your Location

HR8025 is circumpolar and transits at 15:49 UTC (altitude: 89.3°)

Set Location

Other stars in Cygnus