HR6438

Below the horizon. Never rises today

Alt: -35.19° Az: 218.65° Direction: South-West

HR6438 is a double supergiant star of spectral class G8 in the constellation of Ara.

HR6438 visual magnitude is 5.88. Because of its faintness, HR6438 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 HR6438. The red arrow shows the motion of HR6438 during the next 10000 years (-3.50 arcmin in Right Ascension and -1.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 25m 06s

Declination -58° 01’ 56”

Hour Angle 04h 58m 25s

Sidereal Time 22h 23m 32s

J2000

Right Ascension 17h 22m 54s

Declination -58° 00’ 37”

Galactic Coordinates

Galactic Longitude 333.05°

Galactic Latitude -12.07°

Finder Chart

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Finder chart for HR6438.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.88

Class Supergiant

Absolute magnitude -1.03

Spectral Type G8I

Color Index (B-V) 1.07

Temperature 4581K

The red dot in the diagram below shows where HR6438 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6438. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6438 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR6438 double sysyem:

Main star magnitude 5.88

Secondary star magnitude 9.48

Magnitude difference 3.6

Separation 2 arcsec

Distance, Radial Speed, Proper Motion

HR6438 is distant 785.54 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 240.96

Distance (light year) 785.54

Radial Speed -10 km/s

Proper Motion RA -0.021 arcsec/y

Proper Motion Dec -0.011"/y

Alternative Designations

Henry Draper Catalogue HD156768

SAO Catalogue SAO244678

Hipparcos Catalogue HIP85049

Durchmusterung Catalogue CP-57 8478

Visibility from Your Location

HR6438 is currently not visible from Greenwich, UK

Set Location

Other stars in Ara