RA 221.1984° · Dec -40.1686° · star
12 more points to reach Rare.
HD 129640 is an uncommon star. It lies about 1,124.7 light-years from Earth, sits in the constellation Cen, shines at apparent magnitude 9.61 and has spectral type G6/G8IV/V.
Its spectrum reads G6/G8IV/V — a G-type star: the very same spectral class as our own Sun.
Look for HD 129640 in the constellation Cen. At apparent magnitude 9.61, a small backyard telescope will bring it into view.
Like any astronomical target, HD 129640 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 129640 scores 22 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 12 points would lift it into a rarer tier.
That score comes from 4 science badges — Star, Distant (over 1,000 light-years), Sun-like G-type star and Subgiant (leaving the main sequence) — 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.