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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:55  
clear_day Transit: 12:11  
SunsetSet: 17:29
sunny DaytimeWhat's Visible Now?
All Constellations » Centaurus » 


Altitude: -28.3°   Azimuth: 249.2°   Direction: West-South-West

HR5117 is a hypergiant star in the constellation of Centaurus.

HR5117 visual magnitude is 6.5. Because of its reltive faintness, HR5117 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR5117 is -0.011 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5117 star
DSS2 image of HR5117. The red arrow shows the motion of HR5117 during the next 10000 years (-1.83 arcmin in Right Ascension and -4.67 arcmin in declination);

Key facts about HR5117


HR5117 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -28.3°
Azimuth: 249.2°
Direction: West-South-West

Celestial coordinates and finder chart of HR5117

HR5117 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5117 are provided in the following table:

13h 36m 50s
-34° 28’ 04”

The simplified sky map below shows the position of HR5117 in the sky:

Finder chart HR5117 star
Simplified finder chart for HR5117.

Visibility of HR5117 from your location

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

Today's HR5117 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.5°
Max altitude: 4.1°
Azimuth: 235.5°

Distance of HR5117 from the Sun and relative movement

HR5117 is distant 519.11 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

159.24 pc
519.11 ly
22 km/s
-0.011 arcsec/year
-0.028 arcsec/year

Spectral properties of HR5117

HR5117 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR5117 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5117. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5117