72 Leonis

Above the horizon. Rise: 10:06 | Tran: 18:12 | Set: 2:21

Alt: 21.89° Az: 279.80° Direction: South-West

72 Leonis is a variable bright giant star of spectral class M3 in the constellation of Leo.

72 Leonis visual magnitude is 4.63. Because of its moderate brightness, 72 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 72 Leonis. The red arrow shows the motion of 72 Leonis during the next 10000 years (-4.00 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 16m 33s

Declination +22° 57’ 22”

Hour Angle 05h 32m 54s

Sidereal Time 16h 49m 27s

J2000

Right Ascension 11h 15m 12s

Declination +23° 05’ 44”

Galactic Coordinates

Galactic Longitude 218.1°

Galactic Latitude 67.88°

Finder Chart

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Finder chart for 72 Leonis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.63

Class Bright giant

Absolute magnitude -6.92

Spectral Type M3II

Color Index (B-V) 1.66

Temperature 3568K

The red dot in the diagram below shows where 72 Leonis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 72 Leonis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

72 Leonis is distant 6,653.06 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 2,040.82

Distance (light year) 6,653.06

Radial Speed 16 km/s

Proper Motion RA -0.024 arcsec/y

Proper Motion Dec -0.006"/y

Alternative Designations

Flamsteed designation 72 Leonis

Henry Draper Catalogue HD97778

SAO Catalogue SAO81736

Hipparcos Catalogue HIP54951

Durchmusterung Catalogue BD+23 2322

FK5 Catalogue 2897

General Catalogue of Variable Stars 5147

Visibility from Your Location

Today's 72 Leonis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 67.0° RISE 10:06

Max altitude: 61.5° TRANSIT 18:12

Azimuth: 293.0° SET 2:21

Set Location

Other stars in Leo