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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
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All Constellations » Horologium » 

λ Horologii (lambda Horologii)

Altitude: -57.7°   Azimuth: 231.4°   Direction: South-West

λ Horologii is a giant star in the constellation of Horologium.

λ Horologii visual magnitude is 5.35. Because of its reltive faintness, λ Horologii 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 λ Horologii is -0.068 arcsec per year in Right Ascension and -0.133 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of λ Horologii (lambda Horologii) star
DSS2 image of λ Horologii. The red arrow shows the motion of λ Horologii during the next 1000 years (-1.13 arcmin in Right Ascension and -2.22 arcmin in declination);

Key facts about λ Horologii


λ Horologii (lambda Horologii) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -57.7°
Azimuth: 231.4°
Direction: South-West

Celestial coordinates and finder chart of λ Horologii

λ Horologii 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 λ Horologii are provided in the following table:

02h 24m 53s
-60° 18’ 42”

The simplified sky map below shows the position of λ Horologii in the sky:

Finder chart λ Horologii (lambda Horologii) star
Simplified finder chart for λ Horologii (lambda Horologii).

Visibility of λ Horologii from your location

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

λ Horologii (lambda Horologii) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of λ Horologii from the Sun and relative movement

λ Horologii is distant 159.80 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

49.02 pc
159.80 ly
6 km/s
-0.068 arcsec/year
-0.133 arcsec/year

Spectral properties of λ Horologii

λ Horologii belongs to spectral class F2 and has a luminosity class of III corresponding to a giant star.


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

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

Alternative designations of λ Horologii

λ Horologii
(lambda Horologii)