HR8

Above the horizon. Rise: 16:54 | Tran: 1:53 | Set: 10:48

Alt: 40.51° Az: 92.54° Direction: East

HR8 is a variable and multiple hypergiant star of spectral class K0 in the constellation of Andromeda.

HR8 visual magnitude is 6.13. Because of its faintness, HR8 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 HR8. The red arrow shows the motion of HR8 during the next 1000 years (6.33 arcmin in Right Ascension and -3.03 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 07m 53s

Declination +29° 09’ 31”

Hour Angle 19h 58m 16s

Sideral Time 20h 06m 09s

J2000

Right Ascension 00h 06m 36s

Declination +29° 01’ 17”

Galactic Coordinates

Galactic Longitude 111.26°

Galactic Latitude -32.83°

Finder Chart

Simplified finder chart for HR8.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.13

Class Hypergiant

Absolute magnitude 5.45

Spectral Type K0V

Color Index (B-V) 0.75

Temperature 5436K

The red dot in the diagram below shows where HR8 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR8 double sysyem:

Main star magnitude 6.13

Secondary star magnitude 8.73

Magnitude difference 2.6

Separation 158.6 arcsec

Distance, Radial Speed, Proper Motion

HR8 is distant 44.67 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 13.70

Distance (light year) 44.67

Radial Speed -8 km/s

Proper Motion RA 0.38 arcsec/y

Proper Motion Dec -0.182"/y

Alternative Designations

Henry Draper Catalogue HD166

SAO Catalogue SAO73743

Hipparcos Catalogue HIP544

Durchmusterung Catalogue BD+28 4704

Gliese Catalogue Gl 5

General Catalogue of Variable Stars 33

Aitken Double Star Catalogue ADS69

Visibility from Your Location

Today's HR8 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.8° RISE 16:54

Max altitude: 67.7° TRANSIT 1:53

Azimuth: 299.2° SET 10:48

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Andromeda

HR8