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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:22 
Transit: 12:55 
Sunset: 20:28
wb_twilight   (Nautical Twilight)   What's Visible Now?

HR4475

Altitude: -22.8°   Azimuth: 179.8°   Direction: South

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 skies, while it is not visible at all from skies affected by light pollution.

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);

Key facts about HR4475

5.15
Hypergiant

HR4475 is below the horizon from Greenwich, United Kingdom.

Altitude: -22.8°
Azimuth: 179.8°
Direction: South

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 hemisphere. 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”
294.12°
0.31°
Centaurus

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
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR4475 is currently not visible from Greenwich, United Kingdom

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.

0.90
K0III
4472K

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

SAO251486
SAO251486