σ Leonis (sigma Leonis)
σ Leonis is a main-sequence star in the constellation of Leo.
σ Leonis visual magnitude is 4.05. Because of its moderate brightness, σ Leonis should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of σ Leonis is -0.092 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about σ Leonis
Celestial coordinates and finder chart of σ Leonis
σ 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 σ Leonis are provided in the following table:
The simplified sky map below shows the position of σ Leonis in the sky:
Visibility of σ Leonis from your location
Today's σ Leonis (sigma Leonis) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of σ Leonis from the Sun and relative movement
σ Leonis is distant 213.91 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.
Spectral properties of σ Leonis
σ Leonis belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where σ Leonis is situated in the Hertzsprung–Russell diagram.