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🌎  Greenwich, United Kingdom [change]

HR4906

HR4906 is a hypergiant star in the constellation of Centaurus.

HR4906 visual magnitude is 5.47. Because of its reltive faintness, HR4906 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 HR4906:

5.47
Hypergiant
HR4906 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4906

HR4906 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 HR4906 are provided in the following table:

12h 55m 19s
-42° 54’ 56”
303.69°
19.95°
Centaurus

The simplified sky map below shows the position of HR4906 in the sky:

Finder chart HR4906 star
Simplified finder chart for HR4906.

Visibility of HR4906 from your location

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

HR4906 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4906

The image below is a photograph of HR4906 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 HR4906 is -0.038 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 HR4906 star
DSS2 image of HR4906. The red arrow shows the motion of HR4906 during the next 10000 years (-6.33 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of HR4906 from the Sun and relative movement

HR4906 is distant 601.48 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

184.50 pc
601.48 ly
-7 km/s
-0.038 arcsec/year
-0.012 arcsec/year

Spectral properties of HR4906

HR4906 belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.

-0.86
M0III
3541K

The red dot in the diagram below shows where HR4906 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4906. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4906

SAO223760
SAO223760