HR6622

Below the horizon. Never rises today

Alt: -56.79° Az: 243.83° Direction: West-South-West

HR6622 is a variable and double main-sequence star of spectral class B2 in the constellation of Ara.

HR6622 visual magnitude is 5.92. Because of its faintness, HR6622 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 HR6622. The red arrow shows the motion of HR6622 during the next 10000 years (-2.33 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 52m 32s

Declination -53° 37’ 02”

Hour Angle 08h 16m 10s

Sidereal Time 02h 08m 42s

J2000

Right Ascension 17h 50m 28s

Declination -53° 36’ 43”

Galactic Coordinates

Galactic Longitude 338.94°

Galactic Latitude -13.2°

Finder Chart

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Finder chart for HR6622.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.92

Class Main-sequence

Absolute magnitude -1.09

Spectral Type B2V

Color Index (B-V) -0.08

Temperature 11247K

The red dot in the diagram below shows where HR6622 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6622. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6622 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 HR6622 double sysyem:

Main star magnitude 5.92

Secondary star magnitude 8.92

Magnitude difference 3

Separation 12.3 arcsec

Distance, Radial Speed, Proper Motion

HR6622 is distant 823.23 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 252.53

Distance (light year) 823.23

Radial Speed -8 km/s

Proper Motion RA -0.014 arcsec/y

Proper Motion Dec -0.006"/y

Alternative Designations

Henry Draper Catalogue HD161783

SAO Catalogue SAO245065

Hipparcos Catalogue HIP87314

Durchmusterung Catalogue CP-53 8799

General Catalogue of Variable Stars V539 Ara

Visibility from Your Location

HR6622 is currently not visible from Greenwich, UK

Set Location

Other stars in Ara