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🌎  Greenwich, United Kingdom [change]

HR6778

HR6778 is a double giant star in the constellation of Telescopium.

HR6778 visual magnitude is 6.07. Because of its reltive faintness, HR6778 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 HR6778:

6.07
Giant
HR6778 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6778

HR6778 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 HR6778 are provided in the following table:

18h 11m 04s
-47° 30’ 47”
346.05°
-13.35°
Telescopium

The simplified sky map below shows the position of HR6778 in the sky:

Finder chart HR6778 star
Simplified finder chart for HR6778.

Visibility of HR6778 from your location

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

HR6778 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR6778

The image below is a photograph of HR6778 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 HR6778 is 0.007 arcsec per year in Right Ascension and -0.029 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6778 star
DSS2 image of HR6778. The red arrow shows the motion of HR6778 during the next 10000 years (1.17 arcmin in Right Ascension and -4.83 arcmin in declination);

Distance of HR6778 from the Sun and relative movement

HR6778 is distant 490.23 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

150.38 pc
490.23 ly
-15 km/s
0.007 arcsec/year
-0.029 arcsec/year

Spectral properties of HR6778

HR6778 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

0.18
K1III
4309K

The red dot in the diagram below shows where HR6778 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR6778. Attribution: Richard Powell / CC BY-SA

HR6778 star system properties

HR6778 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR6778 double sysyem:

6.07
11.47
5.4
1.7 arcsec

Alternative designations of HR6778

SAO228774
SAO228774