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Trash star 6 EP

HIP 109558

RA 332.8807° · Dec 18.0928° · star

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Score breakdown

· 2 badges
6 pts · Trash
Trash 15 pts → Common
  • Star +3
  • Yellow-white F-type star +3
Total score 6

9 more points to reach Common.

Badges

  • Star · +3
  • Yellow-white F-type star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads sdF8 — an F-type star — a little hotter, whiter and shorter-lived than the Sun.
  • Where it is in life. It is a subdwarf: an old, metal-poor star from the galaxy's early days, a little smaller and fainter than a main-sequence star of the same colour.

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 9.5 you'll want a small backyard telescope, over in Pegasus.
  • 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. ≈ 7 million years at Voyager 1's speed (17 km/s).

Properties

absmag
4.032
bv
0.459
constellation
Peg
dist ly
397.2668
luminosity
2.1242
mag
9.46
name
HIP 109558
spect
sdF8

About HIP 109558

HIP 109558 is a trash star. It lies about 397.3 light-years from Earth, sits in the constellation Peg, shines at apparent magnitude 9.46 and has spectral type sdF8.

Its spectrum reads sdF8 — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HIP 109558 in the constellation Peg. At apparent magnitude 9.46, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 109558 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 HIP 109558 is a trash star

HIP 109558 scores 6 points on Spacedle's rarity scale, which places it in the trash tier. Another 9 points would lift it into a rarer tier.

That score comes from 2 science badges — Star and Yellow-white F-type 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.