RA 222.8474° · Dec 19.1005° · star
2 more points to reach Epic.
37Xi Boo is a rare variable star. It lies about 21.9 light-years from Earth, sits in the constellation Boo, shines at apparent magnitude 4.54 and has spectral type G8V + K4V.
It is a binary: two stars orbiting a shared centre of mass. More than half of all the 'stars' you can see are actually multiple systems.
Look for 37Xi Boo in the constellation Boo. At apparent magnitude 4.54, it can be glimpsed with the unaided eye under dark skies.
Like any astronomical target, 37Xi Boo is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.
37Xi Boo scores 48 points on Spacedle's rarity scale, which places it in the rare tier. Another 2 points would lift it into a rarer tier.
That score comes from 8 science badges — Variable star, Nearby (<25 ly), Naked-eye visible, Binary star, Sun-like G-type star, Main-sequence star, Gently variable and A named variable star — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.