ξ Leonis (xi Leonis)

Above the horizon. Rise: 11:31 | Tran: 18:27 | Set: 1:26

Alt: 26.89° Az: 253.28° Direction: West-South-West

ξ Leonis is a variable and double hypergiant star of spectral class K0 in the constellation of Leo.

ξ Leonis visual magnitude is 4.97. Because of its moderate brightness, ξ Leonis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of ξ Leonis. The red arrow shows the motion of ξ Leonis during the next 1000 years (-1.57 arcmin in Right Ascension and -1.37 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 33m 18s

Declination +11° 11’ 11”

Hour Angle 04h 02m 09s

Sidereal Time 13h 35m 28s

J2000

Right Ascension 09h 31m 56s

Declination +11° 17’ 58”

Galactic Coordinates

Galactic Longitude 221.56°

Galactic Latitude 40.68°

Finder Chart

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Finder chart for ξ Leonis (xi Leonis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.97

Class Hypergiant

Absolute magnitude 0.65

Spectral Type K0III

Color Index (B-V) 1.05

Temperature 4626K

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

H-R diagram showing the position of ξ Leonis. Attribution: Richard Powell / CC BY-SA

Star System Properties

ξ Leonis is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the ξ Leonis double sysyem:

Main star magnitude 4.97

Secondary star magnitude 6.87

Magnitude difference 1.9

Separation 0 arcsec

Distance, Radial Speed, Proper Motion

ξ Leonis is distant 238.48 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

Distance (parsec) 73.15

Distance (light year) 238.48

Radial Speed 29 km/s

Proper Motion RA -0.094 arcsec/y

Proper Motion Dec -0.082"/y

Alternative Designations

Bayer designation ξ Leonis
(xi Leonis)

Flamsteed designation 5 Leonis

Henry Draper Catalogue HD82395

SAO Catalogue SAO98627

Hipparcos Catalogue HIP46771

Durchmusterung Catalogue BD+11 2053

FK5 Catalogue 1246

General Catalogue of Variable Stars 4518

Visibility from Your Location

Today's ξ Leonis (xi Leonis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.8° RISE 11:31

Max altitude: 49.7° TRANSIT 18:27

Azimuth: 281.2° SET 1:26

Set Location

Other stars in Leo