HR8550

Above the horizon. Circumpolar today

Alt: 42.25° Az: 349.58° Direction: North

HR8550 is a star of spectral class B9 in the constellation of Cepheus.

HR8550 visual magnitude is 6.76. Because of its faintness, HR8550 is not visible to the naked eye.

DSS2 image of HR8550. The red arrow shows the motion of HR8550 during the next 10000 years (-1.33 arcmin in Right Ascension and 3.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 23m 52s

Declination +78° 22’ 09”

Hour Angle 09h 13m 39s

Sideral Time 07h 37m 31s

J2000

Right Ascension 22h 23m 41s

Declination +78° 14’ 35”

Galactic Coordinates

Galactic Longitude 115.55°

Galactic Latitude 17.55°

Finder Chart

Simplified finder chart for HR8550.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.76

Class

Absolute magnitude -1.22

Spectral Type B9

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where HR8550 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8550. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8550 is distant 1,283.46 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 393.70

Distance (light year) 1,283.46

Radial Speed -18 km/s

Proper Motion RA -0.008 arcsec/y

Proper Motion Dec 0.018"/y

Alternative Designations

Henry Draper Catalogue HD212937

SAO Catalogue SAO10351

Hipparcos Catalogue HIP110550

Durchmusterung Catalogue BD+77 860

Visibility from Your Location

HR8550 is circumpolar and transits at 20:56 UTC (altitude: 63.1°)

Set Location

Other stars in Cepheus