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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
sunny DaytimeWhat's Visible Now
All Constellations » Centaurus » 


Altitude: -48.3°   Azimuth: 89.3°   Direction: East

HR4712 is a giant star in the constellation of Centaurus.

HR4712 visual magnitude is 5.32. Because of its reltive faintness, HR4712 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 HR4712:


HR4712 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -48.3°
Azimuth: 89.3°
Direction: East

Celestial coordinates and finder chart of HR4712

HR4712 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 HR4712 are provided in the following table:

12h 23m 35s
-35° 24’ 46”

The simplified sky map below shows the position of HR4712 in the sky:

Finder chart HR4712 star
Simplified finder chart for HR4712.

Visibility of HR4712 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 HR4712 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: 125.4°
Max altitude: 3.1°
Azimuth: 234.6°
HR4712 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4712

The image below is a photograph of HR4712 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 HR4712 is -0.036 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4712 star
DSS2 image of HR4712. The red arrow shows the motion of HR4712 during the next 10000 years (-6.00 arcmin in Right Ascension and -0.50 arcmin in declination);

Distance of HR4712 from the Sun and relative movement

HR4712 is distant 408.52 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

125.31 pc
408.52 ly
-10 km/s
-0.036 arcsec/year
-0.003 arcsec/year

Spectral properties of HR4712

HR4712 belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4712 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4712. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4712