20 Leonis is a variable and double sub-giant star in the constellation of Leo.
20 Leonis visual magnitude is 6.09. Because of its reltive faintness, 20 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 20 Leonis:
Celestial coordinates and finder chart of 20 Leonis
20 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 20 Leonis are provided in the following table:
The simplified sky map below shows the position of 20 Leonis in the sky:
Visibility of 20 Leonis from your location
Digitized Sky Survey image of 20 Leonis
The image below is a photograph of 20 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 20 Leonis is -0.043 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 20 Leonis from the Sun and relative movement
20 Leonis is distant 514.20 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.
Spectral properties of 20 Leonis
20 Leonis belongs to spectral class A7 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where 20 Leonis is situated in the Hertzsprung–Russell diagram.
20 Leonis star system properties
20 Leonis is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 20 Leonis double sysyem: