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Uncommon star 23 EP

Zet2Sco

RA 253.6460° · Dec -42.3613° · star

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Score breakdown

· 5 badges
23 pts · Uncommon
Uncommon 34 pts → Rare
  • Naked-eye visible +8
  • Giant star +6
  • Star +3
  • On the zodiac +3
  • Orange K-type star +3
Total score 23

11 more points to reach Rare.

Badges

  • Star · +3
  • Naked-eye visible · +8
  • On the zodiac · +3
  • Orange K-type star · +3
  • Giant star · +6

Trivia

What it actually is

  • Spectral class. Its spectrum reads K4III — 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 giant. It has already exhausted its core hydrogen and swollen up enormously in response.

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 3.6 you can see it with your own eyes from a dark site, over in Scorpius.
  • Southern sky. It rides the southern half of the sky — an easier target the further south you are.
  • Best time of year. It stands highest in the middle of the night around June — 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. ≈ 2.3 million years at Voyager 1's speed (17 km/s).

Properties

absmag
0.579
bv
1.393
constellation
Sco
dist ly
132.315
luminosity
51.0975
mag
3.62
name
Zet2Sco
spect
K4III

About Zet2Sco

Zet2Sco is an uncommon star. It lies about 132.3 light-years from Earth, sits in the constellation Sco, shines at apparent magnitude 3.62 and has spectral type K4III.

Its spectrum reads K4III — 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 Zet2Sco in the constellation Sco. At apparent magnitude 3.62, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, Zet2Sco 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 Zet2Sco is an uncommon star

Zet2Sco scores 23 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 11 points would lift it into a rarer tier.

That score comes from 5 science badges — Star, Naked-eye visible, On the zodiac, Orange K-type star and Giant 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.