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: 4:52  
clear_day Transit: 12:55  
SunsetSet: 20:59 south
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All Constellations » Centaurus » 


HR4922 is a hypergiant star in the constellation of Centaurus.

HR4922 visual magnitude is 6.02. Because of its reltive faintness, HR4922 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 HR4922:

HR4922 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR4922

HR4922 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 HR4922 are provided in the following table:

13h 00m 32s
-33° 30’ 19”

The simplified sky map below shows the position of HR4922 in the sky:

Finder chart HR4922 star
Simplified finder chart for HR4922.

Visibility of HR4922 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 HR4922 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: 123.5°
Max altitude: 5.0°
Azimuth: 236.5°
HR4922 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4922

The image below is a photograph of HR4922 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 HR4922 is -0.078 arcsec per year in Right Ascension and -0.079 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4922 star
DSS2 image of HR4922. The red arrow shows the motion of HR4922 during the next 10000 years (-13.00 arcmin in Right Ascension and -13.17 arcmin in declination);

Distance of HR4922 from the Sun and relative movement

HR4922 is distant 130.50 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

40.03 pc
130.50 ly
-23 km/s
-0.078 arcsec/year
-0.079 arcsec/year

Spectral properties of HR4922

HR4922 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4922 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4922. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4922