HR6805

Below the horizon. Never rises today

Alt: -57.66° Az: 133.74° Direction: South-East

HR6805 is a double hypergiant star of spectral class K0 in the constellation of Pavo.

HR6805 visual magnitude is 5.6. Because of its faintness, HR6805 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 HR6805. The red arrow shows the motion of HR6805 during the next 10000 years (-3.83 arcmin in Right Ascension and -5.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 18m 02s

Declination -63° 02’ 43”

Hour Angle 15h 54m 02s

Sideral Time 10h 12m 04s

J2000

Right Ascension 18h 15m 40s

Declination -63° 03’ 20”

Galactic Coordinates

Galactic Longitude 331.4°

Galactic Latitude -20.11°

Finder Chart

Simplified finder chart for HR6805.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.6

Class Hypergiant

Absolute magnitude 0.81

Spectral Type K0III

Color Index (B-V) 0.92

Temperature 4943K

The red dot in the diagram below shows where HR6805 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6805. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6805 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 HR6805 double sysyem:

Main star magnitude 5.6

Secondary star magnitude 11.2

Magnitude difference 5.6

Separation 41.9 arcsec

Distance, Radial Speed, Proper Motion

HR6805 is distant 295.83 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 90.74

Distance (light year) 295.83

Radial Speed -7 km/s

Proper Motion RA -0.023 arcsec/y

Proper Motion Dec -0.031"/y

Alternative Designations

Henry Draper Catalogue HD166599

SAO Catalogue SAO254189

Hipparcos Catalogue HIP89487

Durchmusterung Catalogue CP-63 4343

Visibility from Your Location

HR6805 is currently not visible from Greenwich, UK

Set Location

Other stars in Pavo