Gomeisa - β Canis Minoris (beta Canis Minoris)
Gomeisa, also designated as β Canis Minoris (beta Canis Minoris), is a variable and multiple main-sequence star in the constellation of Canis Minor.
Gomeisa visual magnitude is 2.9. Thanks to its high brightness, Gomeisa is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Gomeisa:
Celestial coordinates and finder chart of Gomeisa
Gomeisa 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 Gomeisa are provided in the following table:
The simplified sky map below shows the position of Gomeisa in the sky:
Visibility of Gomeisa from your location
Digitized Sky Survey image of Gomeisa
The image below is a photograph of Gomeisa 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 Gomeisa is -0.052 arcsec per year in Right Ascension and -0.038 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Gomeisa from the Sun and relative movement
Gomeisa is distant 170.15 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.
Spectral properties of Gomeisa
Gomeisa belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where Gomeisa is situated in the Hertzsprung–Russell diagram.
Gomeisa star system properties
Gomeisa 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 Gomeisa double sysyem: