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Common star 16 EP

HD 198906

RA 313.5772° · Dec -26.6259° · star

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Score breakdown

· 4 badges
16 pts · Common
Common 22 pts → Uncommon
  • Sun-like G-type star +8
  • Star +3
  • On the zodiac +3
  • Main-sequence star +2
Total score 16

6 more points to reach Uncommon.

Badges

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

Trivia

What it actually is

  • Spectral class. Its spectrum reads G5/G6V — 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 10 you'll want a small backyard telescope, over in Capricornus.
  • 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 August — 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. ≈ 5.5 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 488.3 thousand years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
5.121
bv
0.645
constellation
Cap
dist ly
312.7096
luminosity
0.7791
mag
10.03
name
HD 198906
spect
G5/G6V

About HD 198906

HD 198906 is a common star. It lies about 312.7 light-years from Earth, sits in the constellation Cap, shines at apparent magnitude 10.03 and has spectral type G5/G6V.

Its spectrum reads G5/G6V — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for HD 198906 in the constellation Cap. At apparent magnitude 10.03, a small backyard telescope will bring it into view.

Like any astronomical target, HD 198906 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 198906 is a common star

HD 198906 scores 16 points on Spacedle's rarity scale, which places it in the common tier. Another 6 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, 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.