Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:02  
clear_day Transit: 12:47  
SunsetSet: 18:32 south
sunny DaytimeWhat's Visible Now
All Constellations » Leo » 

43 Leonis

Altitude: 41.7°   Azimuth: 151.0°   Direction: South-South-East

43 Leonis is a giant star in the constellation of Leo.

43 Leonis visual magnitude is 6.07. Because of its reltive faintness, 43 Leonis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 43 Leonis:

6.07
Giant

43 Leonis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 41.7°
Azimuth: 151.0°
Direction: South-South-East

Celestial coordinates and finder chart of 43 Leonis

43 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 43 Leonis are provided in the following table:

10h 23m 00s
+06° 32’ 33”
236.37°
49.21°
Leo

The simplified sky map below shows the position of 43 Leonis in the sky:

Finder chart 43 Leonis star
Simplified finder chart for 43 Leonis.

Visibility of 43 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 43 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: 83.5°
Max altitude: 45.1°
Azimuth: 276.5°

Digitized Sky Survey image of 43 Leonis

The image below is a photograph of 43 Leonis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 43 Leonis is -0.018 arcsec per year in Right Ascension and -0.1 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 43 Leonis star
DSS2 image of 43 Leonis. The red arrow shows the motion of 43 Leonis during the next 1000 years (-0.30 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of 43 Leonis from the Sun and relative movement

43 Leonis is distant 229.25 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

70.32 pc
229.25 ly
-24 km/s
-0.018 arcsec/year
-0.1 arcsec/year

Spectral properties of 43 Leonis

43 Leonis belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

1.83
K3III
4472K

The red dot in the diagram below shows where 43 Leonis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 43 Leonis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 43 Leonis

SAO118269
SAO118269