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Trash star 14 EP

HD 128954

RA 219.6132° · Dec 45.5433° · star

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Score breakdown

· 3 badges
14 pts · Trash
Trash 15 pts → Common
  • Distant (over 1,000 light-years) +6
  • White A-type star +5
  • Star +3
Total score 14

1 more point to reach Common.

Badges

  • Star · +3
  • Distant (over 1,000 light-years) · +6
  • White A-type star · +5

Trivia

What it actually is

  • Spectral class. Its spectrum reads A0 — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.

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 you'll want a small backyard telescope, over in Boötes.
  • 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 April — that's when to go looking.

Could we get there?

  • Verdict. Impossible with our current technology — and the next millennium of it.

Getting there

  • Aboard Voyager 1. ≈ 36.7 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 3.3 million years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
-0.034
bv
0.143
constellation
Boo
dist ly
2090.7435
luminosity
89.8669
mag
9
name
HD 128954
spect
A0

About HD 128954

HD 128954 is a trash star. It lies about 2,090.7 light-years from Earth, sits in the constellation Boo, shines at apparent magnitude 9 and has spectral type A0.

Its spectrum reads A0 — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.

How to see it

Look for HD 128954 in the constellation Boo. At apparent magnitude 9, it is an easy target for binoculars.

Like any astronomical target, HD 128954 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 128954 is a trash star

HD 128954 scores 14 points on Spacedle's rarity scale, which places it in the trash tier. Another 1 point would lift it into a rarer tier.

That score comes from 3 science badges — Star, Distant (over 1,000 light-years) and White A-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.