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Uncommon star 24 EP

HD 181010

RA 289.9840° · Dec -30.4691° · star

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Score breakdown

· 5 badges
24 pts · Uncommon
Uncommon 34 pts → Rare
  • Toward the galactic centre +8
  • Sun-like G-type star +8
  • Star +3
  • On the zodiac +3
  • Main-sequence star +2
Total score 24

10 more points to reach Rare.

Badges

  • Star · +3
  • Toward the galactic centre · +8
  • On the zodiac · +3
  • Sun-like G-type star · +8
  • Main-sequence star · +2

Trivia

What it actually is

  • Spectral class. Its spectrum reads G8/K0V — 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 8.8 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Sagittarius.
  • 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 July — 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).
  • Fastest probe ever. ≈ 203.1 thousand years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
5.787
bv
0.842
constellation
Sgr
dist ly
130.0462
luminosity
0.4219
mag
8.79
name
HD 181010
spect
G8/K0V

About HD 181010

HD 181010 is an uncommon star. It lies about 130 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 8.79 and has spectral type G8/K0V.

Its spectrum reads G8/K0V — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for HD 181010 in the constellation Sgr. At apparent magnitude 8.79, it is an easy target for binoculars.

Like any astronomical target, HD 181010 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 181010 is an uncommon star

HD 181010 scores 24 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 10 points would lift it into a rarer tier.

That score comes from 5 science badges — Star, Toward the galactic centre, On the zodiac, 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.