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Uncommon star 33 EP

Chalawan

RA 164.8668° · Dec 40.4303° · star

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Score breakdown

· 6 badges
33 pts · Uncommon
Uncommon 34 pts → Rare
  • Naked-eye visible +8
  • Has a proper name +8
  • Sun-like G-type star +8
  • Never sets (northern circumpolar) +4
  • Star +3
  • Main-sequence star +2
Total score 33

1 more point to reach Rare.

Badges

  • Star · +3
  • Naked-eye visible · +8
  • Has a proper name · +8
  • Never sets (northern circumpolar) · +4
  • Sun-like G-type star · +8
  • Main-sequence star · +2

Trivia

What it actually is

  • Spectral class. Its spectrum reads G0V — a G-type star: the very same spectral class as our own Sun.
  • Where it is in life. It is on the main sequence, quietly fusing hydrogen in its core exactly as the Sun does.

Sense of scale

  • In perspective. Inside our stellar backyard: every radio broadcast humanity has ever made has already swept past it.

Find it in the sky

  • How to spot it. At magnitude 5 you can see it with your own eyes from a dark site, over in Ursa Major.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.
  • Best time of year. It stands highest in the middle of the night around March — 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. ≈ 806 thousand years at Voyager 1's speed (17 km/s).

Properties

absmag
4.29
bv
0.624
constellation
UMa
dist ly
45.8663
luminosity
1.6749
mag
5.03
name
Chalawan
named
yes
spect
G0V

About Chalawan

Chalawan is an uncommon star. It lies about 45.9 light-years from Earth, sits in the constellation UMa, shines at apparent magnitude 5.03 and has spectral type G0V.

Its spectrum reads G0V — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for Chalawan in the constellation UMa. At apparent magnitude 5.03, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, Chalawan 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 Chalawan is an uncommon star

Chalawan scores 33 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 1 point would lift it into a rarer tier.

That score comes from 6 science badges — Star, Naked-eye visible, Has a proper name, Never sets (northern circumpolar), Sun-like G-type star and Main-sequence 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.