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A Complete Guide to the Solar System and the Night Sky
public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:26 
Transit: 12:55 
Sunset: 20:25
sunny   (Daytime)   What's Visible Now?
All Constellations » Horologium » 

HR871

Altitude: -15.9°   Azimuth: 159.5°   Direction: South-South-East

HR871 is a giant star in the constellation of Horologium.

HR871 visual magnitude is 6.21. Because of its reltive faintness, HR871 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 HR871 is 0.01 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR871 star
DSS2 image of HR871. The red arrow shows the motion of HR871 during the next 10000 years (1.67 arcmin in Right Ascension and 1.00 arcmin in declination);

Key facts about HR871

6.21
Giant

HR871 is below the horizon from Greenwich, United Kingdom.

Altitude: -15.9°
Azimuth: 159.5°
Direction: South-South-East

Celestial coordinates and finder chart of HR871

HR871 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 HR871 are provided in the following table:

02h 54m 06s
-50° 52’ 17”
266.92°
-56.8°
Horologium

The simplified sky map below shows the position of HR871 in the sky:

Finder chart HR871 star
Simplified finder chart for HR871.

Visibility of HR871 from your location

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

HR871 is currently not visible from Greenwich, United Kingdom

Distance of HR871 from the Sun and relative movement

HR871 is distant 1,112.63 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

341.30 pc
1,112.63 ly
-13 km/s
0.01 arcsec/year
0.006 arcsec/year

Spectral properties of HR871

HR871 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.

-1.46
K4III
3677K

The red dot in the diagram below shows where HR871 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR871. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR871

SAO232933
SAO232933