Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

HR8646

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

HR8646 visual magnitude is 6.3. Because of its reltive faintness, HR8646 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8646:

6.3
Main-sequence
HR8646 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR8646

HR8646 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. 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”
326.89°
-50.3°
Tucana

The simplified sky map below shows the position of HR8646 in the sky:

Finder chart HR8646 star
Simplified finder chart for HR8646.

Visibility of HR8646 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR8646 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR8646

The image below is a photograph of HR8646 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR8646 is 0.004 arcsec per year in Right Ascension and 0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

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);

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

Spectral properties of HR8646

HR8646 belongs to spectral class F3 and has a luminosity class of V corresponding to a main-sequence star.

0.64
F3V
6129K

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

Alternative designations of HR8646

SAO255299
SAO255299