HR6646

Below the horizon. Never rises today

Alt: -42.96° Az: 180.16° Direction: South

HR6646 is a giant star of spectral class K3 in the constellation of Apus.

HR6646 visual magnitude is 6.35. Because of its faintness, HR6646 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 HR6646. The red arrow shows the motion of HR6646 during the next 10000 years (3.00 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 10m 31s

Declination -81° 28’ 53”

Hour Angle 00h 03m 06s

Sidereal Time 18h 13m 38s

J2000

Right Ascension 18h 05m 26s

Declination -81° 29’ 11”

Galactic Coordinates

Galactic Longitude 312.15°

Galactic Latitude -25.13°

Finder Chart

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Finder chart for HR6646.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.35

Class Giant

Absolute magnitude -0.91

Spectral Type K3III

Color Index (B-V) 1.5

Temperature 3794K

The red dot in the diagram below shows where HR6646 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6646. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6646 is distant 923.51 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

Distance (parsec) 283.29

Distance (light year) 923.51

Radial Speed -3 km/s

Proper Motion RA 0.018 arcsec/y

Proper Motion Dec -0.04"/y

Alternative Designations

Henry Draper Catalogue HD162337

SAO Catalogue SAO258787

Hipparcos Catalogue HIP88599

Durchmusterung Catalogue CP-81 799

FK5 Catalogue 3990

Visibility from Your Location

HR6646 is currently not visible from Greenwich, UK

Set Location

Other stars in Apus