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Trash star 11 EP

HD 10950

RA 26.5108° · Dec -56.9589° · star

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Score breakdown

· 3 badges
11 pts · Trash
Trash 15 pts → Common
  • Subgiant (leaving the main sequence) +5
  • Star +3
  • Yellow-white F-type star +3
Total score 11

4 more points to reach Common.

Badges

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

Trivia

What it actually is

  • Spectral class. Its spectrum reads F7/F8IV/V — an F-type star — a little hotter, whiter and shorter-lived than the 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 9.9 you'll want a small backyard telescope, over in Eridanus.
  • 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 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).
  • Fastest probe ever. ≈ 505.2 thousand years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
4.897
bv
0.545
constellation
Eri
dist ly
323.5673
luminosity
0.9576
mag
9.88
name
HD 10950
spect
F7/F8IV/V

About HD 10950

HD 10950 is a trash star. It lies about 323.6 light-years from Earth, sits in the constellation Eri, shines at apparent magnitude 9.88 and has spectral type F7/F8IV/V.

Its spectrum reads F7/F8IV/V — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HD 10950 in the constellation Eri. At apparent magnitude 9.88, a small backyard telescope will bring it into view.

Like any astronomical target, HD 10950 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 10950 is a trash star

HD 10950 scores 11 points on Spacedle's rarity scale, which places it in the trash tier. Another 4 points would lift it into a rarer tier.

That score comes from 3 science badges — Star, 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.