RA 154.0669° · Dec 17.7403° · star
6 more points to reach Uncommon.
HR 4028 is a common star. It lies about 373.6 light-years from Earth, sits in the constellation Leo, shines at apparent magnitude 6.6 and has spectral type A9IV.
Its spectrum reads A9IV — 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 HR 4028 in the constellation Leo. At apparent magnitude 6.6, it is an easy target for binoculars.
Like any astronomical target, HR 4028 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.
HR 4028 scores 16 points on Spacedle's rarity scale, which places it in the common tier. Another 6 points would lift it into a rarer tier.
That score comes from 4 science badges — Star, On the zodiac, White A-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.