We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Centaurus » 

HR4922

Altitude: -3.9°   Azimuth: 216.6°   Direction: South-West

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 skies, while it is not visible at all from skies affected by light pollution.

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);

Key facts about HR4922

6.02
Hypergiant

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

Altitude: -3.9°
Azimuth: 216.6°
Direction: South-West

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”
305.11°
29.33°
Centaurus

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°

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.

3.01
F0V
6989K

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

SAO204029
SAO204029