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🌎  Greenwich, United Kingdom [change]

HR4882

HR4882 is a double supergiant star in the constellation of Centaurus.

HR4882 visual magnitude is 6.24. Because of its reltive faintness, HR4882 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 HR4882:

6.24
Supergiant
HR4882 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4882

HR4882 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 HR4882 are provided in the following table:

12h 52m 24s
-53° 49’ 45”
303.08°
9.04°
Centaurus

The simplified sky map below shows the position of HR4882 in the sky:

Finder chart HR4882 star
Simplified finder chart for HR4882.

Visibility of HR4882 from your location

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

HR4882 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4882

The image below is a photograph of HR4882 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 HR4882 is -0.02 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4882 star
DSS2 image of HR4882. The red arrow shows the motion of HR4882 during the next 10000 years (-3.33 arcmin in Right Ascension and 2.00 arcmin in declination);

Distance of HR4882 from the Sun and relative movement

HR4882 is distant 1,090.30 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

334.45 pc
1,090.30 ly
-23 km/s
-0.02 arcsec/year
0.012 arcsec/year

Spectral properties of HR4882

HR4882 belongs to spectral class G8 and has a luminosity class of I corresponding to a supergiant star.

-1.38
G8I
4451K

The red dot in the diagram below shows where HR4882 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4882. Attribution: Richard Powell / CC BY-SA

HR4882 star system properties

HR4882 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 HR4882 double sysyem:

6.24
12.24
6
6.4 arcsec

Alternative designations of HR4882

SAO240338
SAO240338