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Common star 19 EP

HR 8190

RA 320.9951° · Dec 24.2741° · star

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Score breakdown

· 4 badges
19 pts · Common
Common 22 pts → Uncommon
  • Naked-eye visible +8
  • Subgiant (leaving the main sequence) +5
  • Star +3
  • Yellow-white F-type star +3
Total score 19

3 more points to reach Uncommon.

Badges

  • Star · +3
  • Naked-eye visible · +8
  • Yellow-white F-type star · +3
  • Subgiant (leaving the main sequence) · +5

Trivia

What it actually is

  • Spectral class. Its spectrum reads F1IV — an F-type star — a little hotter, whiter and shorter-lived than the Sun.
  • Where it is in life. It is a subgiant, caught in the act of leaving the main sequence as the hydrogen in its core runs out.

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 5.7 you can see it with your own eyes from a dark site, over in Vulpecula.
  • 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 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 million years at Voyager 1's speed (17 km/s).

Properties

absmag
2.128
bv
0.314
constellation
Vul
dist ly
168.9928
luminosity
12.2687
mag
5.7
name
HR 8190
spect
F1IV

About HR 8190

HR 8190 is a common star. It lies about 169 light-years from Earth, sits in the constellation Vul, shines at apparent magnitude 5.7 and has spectral type F1IV.

Its spectrum reads F1IV — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HR 8190 in the constellation Vul. At apparent magnitude 5.7, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, HR 8190 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 HR 8190 is a common star

HR 8190 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, Naked-eye visible, Yellow-white F-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.