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Common star 16 EP

HD 207497

RA 335.4307° · Dec -87.8055° · star

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Score breakdown

· 3 badges
16 pts · Common
Common 22 pts → Uncommon
  • Sun-like G-type star +8
  • Subgiant (leaving the main sequence) +5
  • Star +3
Total score 16

6 more points to reach Uncommon.

Badges

  • Star · +3
  • Sun-like G-type star · +8
  • Subgiant (leaving the main sequence) · +5

Trivia

What it actually is

  • Spectral class. Its spectrum reads G3/G5IV — 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 9.3 you'll want a small backyard telescope, over in Octans.
  • Southern sky only. So far south it never rises for most of the northern hemisphere. To see it you'd have to travel to Chile, South Africa or Australia.
  • 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. ≈ 3.6 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 318.7 thousand years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
5.278
bv
0.684
constellation
Oct
dist ly
204.1026
luminosity
0.6742
mag
9.26
name
HD 207497
spect
G3/G5IV

About HD 207497

HD 207497 is a common star. It lies about 204.1 light-years from Earth, sits in the constellation Oct, shines at apparent magnitude 9.26 and has spectral type G3/G5IV.

Its spectrum reads G3/G5IV — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for HD 207497 in the constellation Oct. At apparent magnitude 9.26, a small backyard telescope will bring it into view.

Like any astronomical target, HD 207497 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 207497 is a common star

HD 207497 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 3 science badges — Star, Sun-like G-type star and Subgiant (leaving the main sequence) — 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.