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Common star 19 EP

HIP 88231

RA 270.2641° · Dec -18.1004° · star

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Score breakdown

· 4 badges
19 pts · Common
Common 22 pts → Uncommon
  • Toward the galactic centre +8
  • White A-type star +5
  • Star +3
  • On the zodiac +3
Total score 19

3 more points to reach Uncommon.

Badges

  • Star · +3
  • Toward the galactic centre · +8
  • On the zodiac · +3
  • 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 10 you'll want a small backyard telescope, over in Sagittarius.
  • 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 June — 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. ≈ 502.7 thousand years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
5.008
bv
0.521
constellation
Sgr
dist ly
321.9704
luminosity
0.8646
mag
9.98
name
HIP 88231
spect
A0

About HIP 88231

HIP 88231 is a common star. It lies about 322 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 9.98 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 HIP 88231 in the constellation Sgr. At apparent magnitude 9.98, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 88231 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 88231 is a common star

HIP 88231 scores 19 points on Spacedle's rarity scale, which places it in the common tier. Another 3 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, Toward the galactic centre, On the zodiac 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.