HR8689

Below the horizon. Never rises today

Alt: -24.78° Az: 151.50° Direction: South

HR8689 is a double hypergiant star of spectral class K0 in the constellation of Tucana.

HR8689 visual magnitude is 6.12. Because of its faintness, HR8689 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 HR8689. The red arrow shows the motion of HR8689 during the next 10000 years (2.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 53m 47s

Declination -63° 03’ 10”

Hour Angle 19h 08m 13s

Sidereal Time 18h 02m 01s

J2000

Right Ascension 22h 52m 09s

Declination -63° 11’ 18”

Galactic Coordinates

Galactic Longitude 322.94°

Galactic Latitude -49.05°

Finder Chart

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Finder chart for HR8689.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.12

Class Hypergiant

Absolute magnitude 0.67

Spectral Type K0III

Color Index (B-V) 1.03

Temperature 4672K

The red dot in the diagram below shows where HR8689 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8689. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8689 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR8689 double sysyem:

Main star magnitude 6.12

Secondary star magnitude 9.12

Magnitude difference 3

Separation 0.9 arcsec

Distance, Radial Speed, Proper Motion

HR8689 is distant 400.98 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 123.00

Distance (light year) 400.98

Radial Speed -4 km/s

Proper Motion RA 0.016 arcsec/y

Proper Motion Dec -0.04"/y

Alternative Designations

Henry Draper Catalogue HD216187

SAO Catalogue SAO255339

Hipparcos Catalogue HIP112924

Durchmusterung Catalogue CP-63 4826

Visibility from Your Location

HR8689 is currently not visible from Erbil, Iraq

Name:	Erbil, Iraq
Latitude:	36° 11' 33.4" N
Longitude:	44° 0' 38.2" E
Timezone:	Asia/Baghdad

Set Location

Other stars in Tucana