RA 297.7926° · Dec -27.4720° · star
1 more point to reach Rare.
HD 187473 is an uncommon variable star. It lies about 548.2 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 7.33 and has spectral type Ap EuSrCr.
Its spectrum reads Ap EuSrCr — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.
Look for HD 187473 in the constellation Sgr. At apparent magnitude 7.33, it is an easy target for binoculars.
Like any astronomical target, HD 187473 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.
HD 187473 scores 33 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 1 point would lift it into a rarer tier.
That score comes from 7 science badges — Variable star, Toward the galactic centre, On the zodiac, White A-type star, Blue-white 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.