23 Leonis

Above the horizon. Rise: 4:04 | Tran: 11:08 | Set: 18:13

Alt: 15.57° Az: 271.35° Direction: West

23 Leonis is a hypergiant star of spectral class M0 in the constellation of Leo.

23 Leonis visual magnitude is 6.46. Because of its faintness, 23 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 23 Leonis. The red arrow shows the motion of 23 Leonis during the next 10000 years (4.67 arcmin in Right Ascension and -1.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 52m 22s

Declination +12° 56’ 58”

Hour Angle 05h 24m 42s

Sideral Time 15h 17m 04s

J2000

Right Ascension 09h 51m 02s

Declination +13° 03’ 57”

Galactic Coordinates

Galactic Longitude 222.18°

Galactic Latitude 45.65°

Finder Chart

Simplified finder chart for 23 Leonis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.46

Class Hypergiant

Absolute magnitude -2.31

Spectral Type M0III

Color Index (B-V) 1.58

Temperature 3677K

The red dot in the diagram below shows where 23 Leonis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 23 Leonis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

23 Leonis is distant 1,852.27 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 568.18

Distance (light year) 1,852.27

Radial Speed -9 km/s

Proper Motion RA 0.028 arcsec/y

Proper Motion Dec -0.008"/y

Alternative Designations

Flamsteed designation 23 Leonis

Henry Draper Catalogue HD85268

SAO Catalogue SAO98809

Hipparcos Catalogue HIP48324

Durchmusterung Catalogue BD+13 2164

Visibility from Your Location

Today's 23 Leonis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 77.1° RISE 4:04

Max altitude: 51.5° TRANSIT 11:08

Azimuth: 282.9° SET 18:13

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Leo