Alula Borealis - ν Ursae Majoris (nu Ursae Majoris)
Alula Borealis, also designated as ν Ursae Majoris (nu Ursae Majoris), is a double giant star in the constellation of Ursa Major.
Alula Borealis visual magnitude is 3.48. Because of its moderate brightness, Alula 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 Alula Borealis:
Celestial coordinates and finder chart of Alula Borealis
Alula Borealis is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Alula Borealis are provided in the following table:
The simplified sky map below shows the position of Alula Borealis in the sky:
Visibility of Alula Borealis from your location
Today's Alula Borealis - ν Ursae Majoris (nu Ursae Majoris) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of Alula Borealis
The image below is a photograph of Alula 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 Alula Borealis is -0.026 arcsec per year in Right Ascension and 0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Alula Borealis from the Sun and relative movement
Alula Borealis is distant 421.19 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.
Spectral properties of Alula Borealis
Alula Borealis belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Alula Borealis is situated in the Hertzsprung–Russell diagram.
Alula Borealis star system properties
Alula Borealis 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 Alula Borealis double sysyem: