HR6839

Below the horizon. Never rises today

Alt: -6.44° Az: 160.96° Direction: South-South-East

HR6839 is a hypergiant star of spectral class B0 in the constellation of Corona Australis.

HR6839 visual magnitude is 6.3. Because of its faintness, HR6839 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 HR6839. The red arrow shows the motion of HR6839 during the next 100000 years (-11.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 20m 28s

Declination -42° 16’ 34”

Hour Angle 22h 16m 03s

Sidereal Time 16h 36m 32s

J2000

Right Ascension 18h 18m 39s

Declination -42° 17’ 17”

Galactic Coordinates

Galactic Longitude 351.47°

Galactic Latitude -12.3°

Finder Chart

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Finder chart for HR6839.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.3

Class Hypergiant

Absolute magnitude -23.70

Spectral Type B0I

Color Index (B-V) -0.11

Temperature 11744K

The red dot in the diagram below shows where HR6839 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6839. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6839 is distant 32,600,000.00 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

Distance (parsec) 10,000,000.00

Distance (light year) 32,600,000.00

Radial Speed -25 km/s

Proper Motion RA -0.007 arcsec/y

Proper Motion Dec -0.004"/y

Alternative Designations

Henry Draper Catalogue HD167756

SAO Catalogue SAO228895

Hipparcos Catalogue HIP89726

Durchmusterung Catalogue CD-4213101

Visibility from Your Location

HR6839 is currently not visible from Greenwich, UK

Set Location

Other stars in Corona Australis