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🌎  Greenwich, United Kingdom [change]


HR5122 is a double giant star in the constellation of Centaurus.

HR5122 visual magnitude is 6.42. Because of its reltive faintness, HR5122 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 HR5122:

HR5122 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR5122

HR5122 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 HR5122 are provided in the following table:

13h 38m 07s
-58° 24’ 53”

The simplified sky map below shows the position of HR5122 in the sky:

Finder chart HR5122 star
Simplified finder chart for HR5122.

Visibility of HR5122 from your location

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

HR5122 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR5122

The image below is a photograph of HR5122 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 HR5122 is -0.008 arcsec per year in Right Ascension and -0.036 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5122 star
DSS2 image of HR5122. The red arrow shows the motion of HR5122 during the next 10000 years (-1.33 arcmin in Right Ascension and -6.00 arcmin in declination);

Distance of HR5122 from the Sun and relative movement

HR5122 is distant 472.46 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

144.93 pc
472.46 ly
1 km/s
-0.008 arcsec/year
-0.036 arcsec/year

Spectral properties of HR5122

HR5122 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR5122 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5122. Attribution: Richard Powell / CC BY-SA

HR5122 star system properties

HR5122 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 HR5122 double sysyem:

2.5 arcsec

Alternative designations of HR5122