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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:17
wb_twilight   (Civil Twilight)   What's Visible Now?

HR8689

Below the horizon.  Never rises today
Altitude: -27.0°   Azimuth: 165.5°   Direction: South-South-East

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.

Celestial coordinates and finder chart of HR8689

Finder chart HR8689 star
Simplified finder chart for HR8689.

HR8689 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8689 are provided in the following table:

22h 52m 09s
-63° 11’ 18”
322.94°
-49.05°
Tucana
Image of HR8689 star
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);

Key facts about HR8689

6.12
Hypergiant

and has a luminosity class of III corresponding to a hypergiant star.

0.67
K0III
4672K

The red dot in the diagram below shows where HR8689 is situated in the HertzsprungÔÇôRussell diagram.

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

HR8689 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:

6.12
9.12
3
0.9 arcsec

Distance of HR8689 from the Sun and relative movement

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.

123.00 pc
400.98 ly
-4 km/s
0.016 arcsec/year
-0.04 arcsec/year

Alternative designations of HR8689

SAO255339
SAO255339

Visibility of HR8689 from your location

HR8689 is currently not visible from Greenwich, United Kingdom