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🌎  Greenwich, United Kingdom [change]

HR4871

HR4871 is a hypergiant star in the constellation of Centaurus.

HR4871 visual magnitude is 6.24. Because of its reltive faintness, HR4871 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 HR4871:

6.24
Hypergiant
HR4871 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4871

HR4871 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 HR4871 are provided in the following table:

12h 50m 19s
-48° 27’ 34”
302.74°
14.41°
Centaurus

The simplified sky map below shows the position of HR4871 in the sky:

Finder chart HR4871 star
Simplified finder chart for HR4871.

Visibility of HR4871 from your location

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

HR4871 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4871

The image below is a photograph of HR4871 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 HR4871 is -0.037 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4871 star
DSS2 image of HR4871. The red arrow shows the motion of HR4871 during the next 10000 years (-6.17 arcmin in Right Ascension and 0.33 arcmin in declination);

Distance of HR4871 from the Sun and relative movement

HR4871 is distant 570.93 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

175.13 pc
570.93 ly
-17 km/s
-0.037 arcsec/year
0.002 arcsec/year

Spectral properties of HR4871

HR4871 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

0.02
A0V
9542K

The red dot in the diagram below shows where HR4871 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4871. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4871

SAO223698
SAO223698