HR8422

Above the horizon. Circumpolar today

Alt: 46.44° Az: 70.52° Direction: East-North-East

HR8422 is a hypergiant star of spectral class A0 in the constellation of Lacerta.

HR8422 visual magnitude is 6.44. Because of its faintness, HR8422 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 HR8422. The red arrow shows the motion of HR8422 during the next 10000 years (4.33 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 06m 52s

Declination +45° 14’ 11”

Hour Angle 19h 30m 42s

Sidereal Time 17h 37m 35s

J2000

Right Ascension 22h 05m 50s

Declination +45° 06’ 43”

Galactic Coordinates

Galactic Longitude 94.77°

Galactic Latitude -8.52°

Finder Chart

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Finder chart for HR8422.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.44

Class Hypergiant

Absolute magnitude -0.21

Spectral Type A0V

Color Index (B-V) -0.03

Temperature 10516K

The red dot in the diagram below shows where HR8422 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8422. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8422 is distant 698.07 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 214.13

Distance (light year) 698.07

Radial Speed -4 km/s

Proper Motion RA 0.026 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Henry Draper Catalogue HD209932

SAO Catalogue SAO51640

Hipparcos Catalogue HIP109079

Durchmusterung Catalogue BD+44 4041

Visibility from Your Location

HR8422 is circumpolar and transits at 06:45 UTC (altitude: 83.8°)

Set Location

Other stars in Lacerta