α Monocerotis (alpha Monocerotis)
α Monocerotis is a hypergiant star in the constellation of Monoceros.
α Monocerotis visual magnitude is 3.93. Because of its moderate brightness, α Monocerotis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about α Monocerotis:
Celestial coordinates and finder chart of α Monocerotis
α Monocerotis 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 α Monocerotis are provided in the following table:
The simplified sky map below shows the position of α Monocerotis in the sky:
Visibility of α Monocerotis from your location
Digitized Sky Survey image of α Monocerotis
The image below is a photograph of α Monocerotis 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 α Monocerotis is -0.073 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of α Monocerotis from the Sun and relative movement
α Monocerotis is distant 144.18 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.
Spectral properties of α Monocerotis
α Monocerotis belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where α Monocerotis is situated in the Hertzsprung–Russell diagram.