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🌎  Greenwich, United Kingdom [change]

HR4718

HR4718 is a double giant star in the constellation of Centaurus.

HR4718 visual magnitude is 6.25. Because of its reltive faintness, HR4718 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 HR4718:

6.25
Giant
HR4718 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4718

HR4718 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 HR4718 are provided in the following table:

12h 24m 44s
-41° 23’ 03”
297.57°
21.21°
Centaurus

The simplified sky map below shows the position of HR4718 in the sky:

Finder chart HR4718 star
Simplified finder chart for HR4718.

Visibility of HR4718 from your location

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

HR4718 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4718

The image below is a photograph of HR4718 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 HR4718 is -0.064 arcsec per year in Right Ascension and -0.071 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4718 star
DSS2 image of HR4718. The red arrow shows the motion of HR4718 during the next 10000 years (-10.67 arcmin in Right Ascension and -11.83 arcmin in declination);

Distance of HR4718 from the Sun and relative movement

HR4718 is distant 497.71 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

152.67 pc
497.71 ly
1 km/s
-0.064 arcsec/year
-0.071 arcsec/year

Spectral properties of HR4718

HR4718 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

0.33
K2III
4348K

The red dot in the diagram below shows where HR4718 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4718. Attribution: Richard Powell / CC BY-SA

HR4718 star system properties

HR4718 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR4718 double sysyem:

6.25
8.65
2.4
10 arcsec

Alternative designations of HR4718

SAO223417
SAO223417