ψ Leonis (psi Leonis)

Above the horizon. Rise: 9:30 | Tran: 16:40 | Set: 23:50

Alt: 20.23° Az: 267.04° Direction: South-West

ψ Leonis is a variable and double giant star of spectral class M2 in the constellation of Leo.

ψ Leonis visual magnitude is 5.35. Because of its faintness, ψ Leonis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of ψ Leonis. The red arrow shows the motion of ψ Leonis during the next 100000 years (6.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 45m 06s

Declination +13° 54’ 14”

Hour Angle 04h 59m 30s

Sidereal Time 14h 44m 37s

J2000

Right Ascension 09h 43m 43s

Declination +14° 01’ 18”

Galactic Coordinates

Galactic Longitude 219.89°

Galactic Latitude 44.44°

Finder Chart

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Finder chart for ψ Leonis (psi Leonis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.35

Class Giant

Absolute magnitude -1.35

Spectral Type M2III

Color Index (B-V) 1.63

Temperature 3608K

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

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

Star System Properties

ψ Leonis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the ψ Leonis double sysyem:

Main star magnitude 5.35

Secondary star magnitude 10.65

Magnitude difference 5.3

Separation 281.8 arcsec

Distance, Radial Speed, Proper Motion

ψ Leonis is distant 713.35 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 218.82

Distance (light year) 713.35

Radial Speed 8 km/s

Proper Motion RA 0.004 arcsec/y

Proper Motion Dec -0.003"/y

Alternative Designations

Bayer designation ψ Leonis
(psi Leonis)

Flamsteed designation 16 Leonis

Henry Draper Catalogue HD84194

SAO Catalogue SAO98733

Hipparcos Catalogue HIP47723

Durchmusterung Catalogue BD+14 2136

FK5 Catalogue 1252

General Catalogue of Variable Stars 4594

Visibility from Your Location

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

Azimuth: 76.1° RISE 9:30

Max altitude: 52.4° TRANSIT 16:40

Azimuth: 283.9° SET 23:50

Set Location

Other stars in Leo