Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
sunny DaytimeWhat's Visible Now
All Constellations » Centaurus » 


Altitude: -72.1°   Azimuth: 5.2°   Direction: North

HR5147 is a variable hypergiant star in the constellation of Centaurus.

HR5147 visual magnitude is 6.05. Because of its reltive faintness, HR5147 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 HR5147:


HR5147 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -72.1°
Azimuth: 5.2°
Direction: North

Celestial coordinates and finder chart of HR5147

HR5147 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 HR5147 are provided in the following table:

13h 41m 45s
-33° 35’ 48”

The simplified sky map below shows the position of HR5147 in the sky:

Finder chart HR5147 star
Simplified finder chart for HR5147.

Visibility of HR5147 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 HR5147 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: 123.6°
Max altitude: 4.9°
Azimuth: 236.4°
HR5147 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR5147

The image below is a photograph of HR5147 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 HR5147 is -0.014 arcsec per year in Right Ascension and 0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5147 star
DSS2 image of HR5147. The red arrow shows the motion of HR5147 during the next 10000 years (-2.33 arcmin in Right Ascension and 4.33 arcmin in declination);

Distance of HR5147 from the Sun and relative movement

HR5147 is distant 2,063.29 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

632.91 pc
2,063.29 ly
28 km/s
-0.014 arcsec/year
0.026 arcsec/year

Spectral properties of HR5147

HR5147 belongs to spectral class K0 and has a luminosity class of II corresponding to a hypergiant star.


The red dot in the diagram below shows where HR5147 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5147. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5147