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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sunny DaytimeWhat's Visible Now?
All Constellations » Grus » 


Altitude: -18.7°   Azimuth: 225.9°   Direction: South-West

HR8477 is a main-sequence star in the constellation of Grus.

HR8477 visual magnitude is 6.23. Because of its reltive faintness, HR8477 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 HR8477 is 0.567 arcsec per year in Right Ascension and -0.79 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR8477 star
DSS2 image of HR8477. The red arrow shows the motion of HR8477 during the next 1000 years (9.45 arcmin in Right Ascension and -13.17 arcmin in declination);

Key facts about HR8477


HR8477 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -18.7°
Azimuth: 225.9°
Direction: South-West

Celestial coordinates and finder chart of HR8477

HR8477 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 HR8477 are provided in the following table:

22h 14m 38s
-41° 22’ 54”

The simplified sky map below shows the position of HR8477 in the sky:

Finder chart HR8477 star
Simplified finder chart for HR8477.

Visibility of HR8477 from your location

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

HR8477 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR8477 from the Sun and relative movement

HR8477 is distant 72.14 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

22.13 pc
72.14 ly
-18 km/s
0.567 arcsec/year
-0.79 arcsec/year

Spectral properties of HR8477

HR8477 belongs to spectral class G5 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR8477 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8477. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8477

Gl 851.2