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Uncommon star 30 EP

HD 15022

RA 36.9599° · Dec 62.8906° · star

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Score breakdown

· 5 badges
30 pts · Uncommon
Uncommon 34 pts → Rare
  • Bright giant +12
  • Deep red star +8
  • Never sets (northern circumpolar) +4
  • Star +3
  • Orange K-type star +3
Total score 30

4 more points to reach Rare.

Badges

  • Star · +3
  • Never sets (northern circumpolar) · +4
  • Orange K-type star · +3
  • Bright giant · +12
  • Deep red star · +8

Trivia

What it actually is

  • Spectral class. Its spectrum reads K3II — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.
  • Where it is in life. It is a bright giant, well on its way to the largest stars there are.

Sense of scale

  • In perspective. Far away by human standards, yet still a local address inside the Milky Way's spiral arms.

Find it in the sky

  • How to spot it. At magnitude 7.9 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Cassiopeia.
  • Never sets. So far north that from Britain, Canada or northern Europe it never dips below the horizon — it is up every clear night of the year.
  • Best time of year. It stands highest in the middle of the night around October — that's when to go looking.

Could we get there?

  • Verdict. Hopelessly far for any craft humanity can build today.

Getting there

  • Aboard Voyager 1. ≈ 11.6 million years at Voyager 1's speed (17 km/s).

Properties

absmag
1.354
bv
1.484
constellation
Cas
dist ly
661.5742
luminosity
25.0265
mag
7.89
name
HD 15022
spect
K3II

About HD 15022

HD 15022 is an uncommon star. It lies about 661.6 light-years from Earth, sits in the constellation Cas, shines at apparent magnitude 7.89 and has spectral type K3II.

Its spectrum reads K3II — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.

How to see it

Look for HD 15022 in the constellation Cas. At apparent magnitude 7.89, it is an easy target for binoculars.

Like any astronomical target, HD 15022 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.

Why HD 15022 is an uncommon star

HD 15022 scores 30 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 4 points would lift it into a rarer tier.

That score comes from 5 science badges — Star, Never sets (northern circumpolar), Orange K-type star, Bright giant and Deep red 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.