Asellus Borealis - γ Cancri (gamma Cancri)
Asellus Borealis, also designated as γ Cancri (gamma Cancri), is a multiple sub-giant star in the constellation of Cancer.
Asellus Borealis visual magnitude is 4.66. Because of its moderate brightness, Asellus Borealis 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 Asellus Borealis:
Celestial coordinates and finder chart of Asellus Borealis
Asellus Borealis 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 Asellus Borealis are provided in the following table:
The simplified sky map below shows the position of Asellus Borealis in the sky:
Visibility of Asellus Borealis from your location
Digitized Sky Survey image of Asellus Borealis
The image below is a photograph of Asellus Borealis 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 Asellus Borealis is -0.106 arcsec per year in Right Ascension and -0.039 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Asellus Borealis from the Sun and relative movement
Asellus Borealis is distant 158.41 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.
Spectral properties of Asellus Borealis
Asellus Borealis belongs to spectral class A1 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where Asellus Borealis is situated in the Hertzsprung–Russell diagram.
Asellus Borealis star system properties
Asellus Borealis 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 Asellus Borealis double sysyem: