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🌎  Greenwich, United Kingdom [change]

HR6819

HR6819 is a variable giant star in the constellation of Telescopium.

HR6819 visual magnitude is 5.33. Because of its reltive faintness, HR6819 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 HR6819:

5.33
Giant
HR6819 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6819

HR6819 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 HR6819 are provided in the following table:

18h 17m 07s
-56° 01’ 23”
338.39°
-17.69°
Telescopium

The simplified sky map below shows the position of HR6819 in the sky:

Finder chart HR6819 star
Simplified finder chart for HR6819.

Visibility of HR6819 from your location

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

HR6819 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR6819

The image below is a photograph of HR6819 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 HR6819 is -0.006 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6819 star
DSS2 image of HR6819. The red arrow shows the motion of HR6819 during the next 10000 years (-1.00 arcmin in Right Ascension and -2.17 arcmin in declination);

Distance of HR6819 from the Sun and relative movement

HR6819 is distant 742.60 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

227.79 pc
742.60 ly
15 km/s
-0.006 arcsec/year
-0.013 arcsec/year

Spectral properties of HR6819

HR6819 belongs to spectral class B3 and has a luminosity class of III corresponding to a giant star.

-1.46
B3III
10795K

The red dot in the diagram below shows where HR6819 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR6819. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6819

SAO245369
SAO245369