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🌎  Greenwich, United Kingdom [change]


HR4732 is a double main-sequence star in the constellation of Centaurus.

HR4732 visual magnitude is 4.82. Because of its moderate brightness, HR4732 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR4732:

HR4732 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4732

HR4732 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 HR4732 are provided in the following table:

12h 26m 31s
-51° 27’ 02”

The simplified sky map below shows the position of HR4732 in the sky:

Finder chart HR4732 star
Simplified finder chart for HR4732.

Visibility of HR4732 from your location

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

HR4732 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4732

The image below is a photograph of HR4732 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 HR4732 is -0.044 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4732 star
DSS2 image of HR4732. The red arrow shows the motion of HR4732 during the next 10000 years (-7.33 arcmin in Right Ascension and -2.83 arcmin in declination);

Distance of HR4732 from the Sun and relative movement

HR4732 is distant 399.51 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

122.55 pc
399.51 ly
5 km/s
-0.044 arcsec/year
-0.017 arcsec/year

Spectral properties of HR4732

HR4732 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4732 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4732. Attribution: Richard Powell / CC BY-SA

HR4732 star system properties

HR4732 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4732 double sysyem:

21.7 arcsec

Alternative designations of HR4732