HR8159

Below the horizon. Never rises today

Alt: -63.37° Az: 153.58° Direction: South-South-East

HR8159 is a double giant star of spectral class K2 in the constellation of Pavo.

HR8159 visual magnitude is 6.09. Because of its faintness, HR8159 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 HR8159. The red arrow shows the motion of HR8159 during the next 10000 years (3.00 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 27m 36s

Declination -71° 41’ 28”

Hour Angle 14h 37m 39s

Sideral Time 12h 05m 16s

J2000

Right Ascension 21h 25m 18s

Declination -71° 47’ 57”

Galactic Coordinates

Galactic Longitude 320.84°

Galactic Latitude -37.31°

Finder Chart

Simplified finder chart for HR8159.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.09

Class Giant

Absolute magnitude 0.03

Spectral Type K2III

Color Index (B-V) 1.26

Temperature 4194K

The red dot in the diagram below shows where HR8159 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8159. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8159 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8159 double sysyem:

Main star magnitude 6.09

Secondary star magnitude 11.99

Magnitude difference 5.9

Separation 44.6 arcsec

Distance, Radial Speed, Proper Motion

HR8159 is distant 530.94 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

Distance (parsec) 162.87

Distance (light year) 530.94

Radial Speed 11 km/s

Proper Motion RA 0.018 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Henry Draper Catalogue HD203212

SAO Catalogue SAO257920

Hipparcos Catalogue HIP105768

Durchmusterung Catalogue CP-72 2598

Visibility from Your Location

HR8159 is currently not visible from Greenwich, UK

Set Location

Other stars in Pavo