RA 37.2666° · Dec 67.4025° · star
7 more points to reach Rare.
Iot Cas is an uncommon variable star. It lies about 132.9 light-years from Earth, sits in the constellation Cas, shines at apparent magnitude 4.46 and has spectral type A5p Sr.
Its spectrum reads A5p Sr — 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 Iot Cas in the constellation Cas. At apparent magnitude 4.46, it can be glimpsed with the unaided eye under dark skies.
Like any astronomical target, Iot Cas 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.
Iot Cas scores 27 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 7 points would lift it into a rarer tier.
That score comes from 6 science badges — Variable star, Naked-eye visible, Never sets (northern circumpolar), White A-type star, Barely variable (under 0.05 mag) 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.