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Trash star 14 EP

HD 90958

RA 157.3714° · Dec -33.4089° · star

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Score breakdown

· 3 badges
14 pts · Trash
Trash 15 pts → Common
  • Giant star +6
  • White A-type star +5
  • Star +3
Total score 14

1 more point to reach Common.

Badges

  • Star · +3
  • White A-type star · +5
  • Giant star · +6

Trivia

What it actually is

  • Spectral class. Its spectrum reads A4III — 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.
  • Where it is in life. It is a giant. It has already exhausted its core hydrogen and swollen up enormously in response.

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 7.8 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Antlia.
  • 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 February — 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. ≈ 8.4 million years at Voyager 1's speed (17 km/s).

Properties

absmag
1.929
bv
0.269
constellation
Ant
dist ly
480.3476
luminosity
14.7367
mag
7.77
name
HD 90958
spect
A4III

About HD 90958

HD 90958 is a trash star. It lies about 480.3 light-years from Earth, sits in the constellation Ant, shines at apparent magnitude 7.77 and has spectral type A4III.

Its spectrum reads A4III — 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 90958 in the constellation Ant. At apparent magnitude 7.77, it is an easy target for binoculars.

Like any astronomical target, HD 90958 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 90958 is a trash star

HD 90958 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, White A-type star and Giant 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.