σ Fornacis (sigma Fornacis)
σ Fornacis is a double main-sequence star in the constellation of Fornax.
σ Fornacis visual magnitude is 5.9. Because of its reltive faintness, σ Fornacis 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 σ Fornacis:
Celestial coordinates and finder chart of σ Fornacis
σ Fornacis is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of σ Fornacis are provided in the following table:
The simplified sky map below shows the position of σ Fornacis in the sky:
Visibility of σ Fornacis from your location
Digitized Sky Survey image of σ Fornacis
The image below is a photograph of σ Fornacis 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 σ Fornacis is 0.004 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 σ Fornacis from the Sun and relative movement
σ Fornacis is distant 329.29 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.
Spectral properties of σ Fornacis
σ Fornacis belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where σ Fornacis is situated in the Hertzsprung–Russell diagram.
σ Fornacis star system properties
σ Fornacis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the σ Fornacis double sysyem: