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Common star 19 EP

GL GJ 3600A

RA 156.5127° · Dec 50.4491° · star

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Score breakdown

· 4 badges
19 pts · Common
Common 22 pts → Uncommon
  • Binary star +6
  • Intrinsically feeble (Mv > +12) +6
  • Never sets (northern circumpolar) +4
  • Star +3
Total score 19

3 more points to reach Uncommon.

Badges

  • Star · +3
  • Binary star · +6
  • Never sets (northern circumpolar) · +4
  • Intrinsically feeble (Mv > +12) · +6

Trivia

What makes it special

  • Not one star but two. It is a binary: two stars orbiting a shared centre of mass. More than half of all the 'stars' you can see are actually multiple systems.

What it actually is

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

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 13.5 it is far too faint for the eye: this one belongs to cameras and long exposures, 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 February — 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. ≈ 1.1 million years at Voyager 1's speed (17 km/s).

Properties

absmag
12.058
binary
yes
constellation
UMa
dist ly
63.952
luminosity
0.0013
mag
13.52
name
GL GJ 3600A
spect
k-m

About GL GJ 3600A

GL GJ 3600A is a common star. It lies about 64 light-years from Earth, sits in the constellation UMa, shines at apparent magnitude 13.52 and has spectral type k-m.

It is a binary: two stars orbiting a shared centre of mass. More than half of all the 'stars' you can see are actually multiple systems.

How to see it

Look for GL GJ 3600A in the constellation UMa. At apparent magnitude 13.52, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, GL GJ 3600A 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 GL GJ 3600A is a common star

GL GJ 3600A scores 19 points on Spacedle's rarity scale, which places it in the common tier. Another 3 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, Binary star, Never sets (northern circumpolar) and Intrinsically feeble (Mv > +12) — 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.