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🌎  Greenwich, United Kingdom [change]


HR4475 is a hypergiant star in the constellation of Centaurus.

HR4475 visual magnitude is 5.15. Because of its reltive faintness, HR4475 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 HR4475:

HR4475 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4475

HR4475 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 HR4475 are provided in the following table:

11h 37m 00s
-61° 16’ 59”

The simplified sky map below shows the position of HR4475 in the sky:

Finder chart HR4475 star
Simplified finder chart for HR4475.

Visibility of HR4475 from your location

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

HR4475 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4475

The image below is a photograph of HR4475 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 HR4475 is -0.224 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4475 star
DSS2 image of HR4475. The red arrow shows the motion of HR4475 during the next 1000 years (-3.73 arcmin in Right Ascension and 0.10 arcmin in declination);

Distance of HR4475 from the Sun and relative movement

HR4475 is distant 231.04 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

70.87 pc
231.04 ly
3 km/s
-0.224 arcsec/year
0.006 arcsec/year

Spectral properties of HR4475

HR4475 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4475 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4475. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4475