π Leonis (pi Leonis)

Below the horizon. Rise: 12:09 | Tran: 18:47 | Set: 1:29

Alt: -30.45° Az: 354.45° Direction: North

π Leonis is a variable giant star of spectral class M2 in the constellation of Leo.

π Leonis visual magnitude is 4.7. Because of its moderate brightness, π 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 π Leonis. The red arrow shows the motion of π Leonis during the next 10000 years (-5.00 arcmin in Right Ascension and -3.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 01m 33s

Declination +07° 55’ 17”

Hour Angle 11h 40m 41s

Sidereal Time 21h 42m 15s

J2000

Right Ascension 10h 00m 12s

Declination +08° 02’ 39”

Galactic Coordinates

Galactic Longitude 230.01°

Galactic Latitude 45.26°

Finder Chart

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Finder chart for π Leonis (pi Leonis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.7

Class Giant

Absolute magnitude -1.33

Spectral Type M2III

Color Index (B-V) 1.6

Temperature 3649K

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

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

Distance, Radial Speed, Proper Motion

π Leonis is distant 524.96 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

Distance (parsec) 161.03

Distance (light year) 524.96

Radial Speed 23 km/s

Proper Motion RA -0.03 arcsec/y

Proper Motion Dec -0.023"/y

Alternative Designations

Bayer designation π Leonis
(pi Leonis)

Flamsteed designation 29 Leonis

Henry Draper Catalogue HD86663

SAO Catalogue SAO118044

Hipparcos Catalogue HIP49029

Durchmusterung Catalogue BD+08 2301

FK5 Catalogue 378

General Catalogue of Variable Stars 4699

Visibility from Your Location

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

Azimuth: 82.1° RISE 12:09

Max altitude: 46.4° TRANSIT 18:47

Azimuth: 277.9° SET 1:29

Set Location

Other stars in Leo