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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
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All Constellations » Centaurus » 

HR4973

Altitude: -30.1°   Azimuth: 236.9°   Direction: West-South-West

HR4973 is a giant star in the constellation of Centaurus.

HR4973 visual magnitude is 5.25. Because of its reltive faintness, HR4973 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 HR4973 is -0.117 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4973 star
DSS2 image of HR4973. The red arrow shows the motion of HR4973 during the next 1000 years (-1.95 arcmin in Right Ascension and -0.45 arcmin in declination);

Key facts about HR4973

5.25
Giant

HR4973 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -30.1°
Azimuth: 236.9°
Direction: West-South-West

Celestial coordinates and finder chart of HR4973

HR4973 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 HR4973 are provided in the following table:

13h 11m 23s
-43° 22’ 08”
306.77°
19.35°
Centaurus

The simplified sky map below shows the position of HR4973 in the sky:

Finder chart HR4973 star
Simplified finder chart for HR4973.

Visibility of HR4973 from your location

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

HR4973 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4973 from the Sun and relative movement

HR4973 is distant 220.87 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

67.75 pc
220.87 ly
-9 km/s
-0.117 arcsec/year
-0.027 arcsec/year

Spectral properties of HR4973

HR4973 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

1.10
K1III
4626K

The red dot in the diagram below shows where HR4973 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4973. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4973

SAO223966
SAO223966