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Trash star 11 EP

HD 218135

RA 346.4179° · Dec -18.3630° · star

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Score breakdown

· 4 badges
11 pts · Trash
Trash 15 pts → Common
  • Star +3
  • On the zodiac +3
  • Yellow-white F-type star +3
  • Main-sequence star +2
Total score 11

4 more points to reach Common.

Badges

  • Star · +3
  • On the zodiac · +3
  • Yellow-white F-type star · +3
  • Main-sequence star · +2

Trivia

What it actually is

  • Spectral class. Its spectrum reads F6V — an F-type star — a little hotter, whiter and shorter-lived than the Sun.
  • Where it is in life. It is on the main sequence, quietly fusing hydrogen in its core exactly as the Sun does.

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 9.3 you'll want a small backyard telescope, over in Aquarius.
  • 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 September — 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. ≈ 13 million years at Voyager 1's speed (17 km/s).

Properties

absmag
2.532
bv
0.482
constellation
Aqr
dist ly
739.5829
luminosity
8.4567
mag
9.31
name
HD 218135
spect
F6V

About HD 218135

HD 218135 is a trash star. It lies about 739.6 light-years from Earth, sits in the constellation Aqr, shines at apparent magnitude 9.31 and has spectral type F6V.

Its spectrum reads F6V — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HD 218135 in the constellation Aqr. At apparent magnitude 9.31, a small backyard telescope will bring it into view.

Like any astronomical target, HD 218135 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 218135 is a trash star

HD 218135 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 4 science badges — Star, On the zodiac, Yellow-white F-type star and Main-sequence 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.