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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:39  
clear_day Transit: 12:56  
SunsetSet: 20:14
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All Constellations » Leo » 

46 Leonis

Altitude: -9.3°   Azimuth: 307.0°   Direction: North-West

46 Leonis is a variable giant star in the constellation of Leo.

46 Leonis visual magnitude is 5.46. Because of its reltive faintness, 46 Leonis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 46 Leonis is -0.042 arcsec per year in Right Ascension and 0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 46 Leonis star
DSS2 image of 46 Leonis. The red arrow shows the motion of 46 Leonis during the next 10000 years (-7.00 arcmin in Right Ascension and 4.00 arcmin in declination);

Key facts about 46 Leonis

5.46
Giant

46 Leonis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -9.3°
Azimuth: 307.0°
Direction: North-West

Celestial coordinates and finder chart of 46 Leonis

46 Leonis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 46 Leonis are provided in the following table:

10h 32m 11s
+14° 08’ 13”
227.68°
55.08°
Leo

The simplified sky map below shows the position of 46 Leonis in the sky:

Finder chart 46 Leonis star
Simplified finder chart for 46 Leonis.

Visibility of 46 Leonis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 46 Leonis rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.9°
Max altitude: 52.7°
Azimuth: 284.1°

Distance of 46 Leonis from the Sun and relative movement

46 Leonis is distant 1,083.06 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

332.23 pc
1,083.06 ly
34 km/s
-0.042 arcsec/year
0.024 arcsec/year

Spectral properties of 46 Leonis

46 Leonis belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

-2.15
M1III
3541K

The red dot in the diagram below shows where 46 Leonis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 46 Leonis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 46 Leonis

SAO99172
SAO99172