HR8531

Below the horizon. Never rises today

Alt: -41.69° Az: 134.27° Direction: South-East

HR8531 is a double sub-giant star of spectral class G3 in the constellation of Tucana.

HR8531 visual magnitude is 5.32. Because of its faintness, HR8531 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 HR8531. The red arrow shows the motion of HR8531 during the next 1000 years (2.38 arcmin in Right Ascension and -5.72 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 26m 33s

Declination -57° 40’ 14”

Hour Angle 17h 57m 17s

Sidereal Time 16h 23m 50s

J2000

Right Ascension 22h 24m 56s

Declination -57° 47’ 49”

Galactic Coordinates

Galactic Longitude 332.61°

Galactic Latitude -50.04°

Finder Chart

Simplified finder chart for HR8531.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.32

Class Sub-giant

Absolute magnitude 3.76

Spectral Type G3IV

Color Index (B-V) 0.67

Temperature 5706K

The red dot in the diagram below shows where HR8531 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8531. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8531 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 HR8531 double sysyem:

Main star magnitude 5.32

Secondary star magnitude 12.92

Magnitude difference 7.6

Separation 81 arcsec

Distance, Radial Speed, Proper Motion

HR8531 is distant 66.79 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 20.49

Distance (light year) 66.79

Radial Speed 8 km/s

Proper Motion RA 0.143 arcsec/y

Proper Motion Dec -0.343"/y

Alternative Designations

Henry Draper Catalogue HD212330

SAO Catalogue SAO247441

Hipparcos Catalogue HIP110649

Durchmusterung Catalogue CP-58 7954

Gliese Catalogue Gl 857

Visibility from Your Location

HR8531 is currently not visible from Greenwich, UK

Set Location

Other stars in Tucana