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Trash star 6 EP

HIP 15157

RA 48.8411° · Dec 5.8407° · 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 F2 — 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 10.2 you'll want a small backyard telescope, over in Cetus.
  • Seen from everywhere. It sits almost on the celestial equator, so it can be seen from essentially anywhere on Earth.
  • Best time of year. It stands highest in the middle of the night around November — 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. ≈ 14.4 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 1.3 million years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
3.164
bv
0.542
constellation
Cet
dist ly
821.5517
luminosity
4.725
mag
10.17
name
HIP 15157
spect
F2

About HIP 15157

HIP 15157 is a trash star. It lies about 821.6 light-years from Earth, sits in the constellation Cet, shines at apparent magnitude 10.17 and has spectral type F2.

Its spectrum reads F2 — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HIP 15157 in the constellation Cet. At apparent magnitude 10.17, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 15157 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 15157 is a trash star

HIP 15157 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.