← Back to dex
Common star 21 EP

GL GJ 1023A

RA 13.5747° · Dec 69.0473° · star

Loading sky survey…
🌌 View in 3D star map
Tonight’s visibility

Computing the sky for your location…

Score breakdown

· 4 badges
21 pts · Common
Common 22 pts → Uncommon
  • Sun-like G-type star +8
  • Binary star +6
  • Never sets (northern circumpolar) +4
  • Star +3
Total score 21

1 more point to reach Uncommon.

Badges

  • Star · +3
  • Binary star · +6
  • Never sets (northern circumpolar) · +4
  • Sun-like G-type star · +8

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 G0+... — a G-type star: the very same spectral class as our own Sun.

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 9.2 you'll want a small backyard telescope, 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. ≈ 5.7 million years at Voyager 1's speed (17 km/s).

Properties

absmag
4.199
binary
yes
bv
0.608
constellation
Cas
dist ly
323.2467
luminosity
1.8214
mag
9.18
name
GL GJ 1023A
spect
G0+...

About GL GJ 1023A

GL GJ 1023A is a common star. It lies about 323.2 light-years from Earth, sits in the constellation Cas, shines at apparent magnitude 9.18 and has spectral type G0+....

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 1023A in the constellation Cas. At apparent magnitude 9.18, a small backyard telescope will bring it into view.

Like any astronomical target, GL GJ 1023A 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 1023A is a common star

GL GJ 1023A scores 21 points on Spacedle's rarity scale, which places it in the common tier. Another 1 point would lift it into a rarer tier.

That score comes from 4 science badges — Star, Binary star, Never sets (northern circumpolar) and Sun-like G-type 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.