We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
Help keep this site free and ads-free: donate now!
public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?


Below the horizon.  Never rises today
Altitude: -22.0°   Azimuth: 181.5°   Direction: South

HR8646 is a main-sequence star of spectral class F3 in the constellation of Tucana.

HR8646 visual magnitude is 6.3. Because of its faintness, HR8646 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 HR8646

Finder chart HR8646 star
Simplified finder chart for HR8646.

HR8646 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 HR8646 are provided in the following table:

22h 44m 16s
-60° 29’ 57”
Image of HR8646 star
DSS2 image of HR8646. The red arrow shows the motion of HR8646 during the next 10000 years (0.67 arcmin in Right Ascension and 4.17 arcmin in declination);

Key facts about HR8646


and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR8646 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8646. Attribution: Richard Powell / CC BY-SA

Distance of HR8646 from the Sun and relative movement

HR8646 is distant 441.73 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

135.50 pc
441.73 ly
-6 km/s
0.004 arcsec/year
0.025 arcsec/year

Alternative designations of HR8646


Visibility of HR8646 from your location

HR8646 is currently not visible from Greenwich, United Kingdom