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Trash star 13 EP

HIP 12992

RA 41.7657° · Dec 59.4806° · star

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Score breakdown

· 3 badges
13 pts · Trash
Trash 15 pts → Common
  • Hot blue B-type star +6
  • Never sets (northern circumpolar) +4
  • Star +3
Total score 13

2 more points to reach Common.

Badges

  • Star · +3
  • Never sets (northern circumpolar) · +4
  • Hot blue B-type star · +6

Trivia

What it actually is

  • Spectral class. Its spectrum reads B... — a blue-white B-type star, with a surface tens of thousands of degrees hot and a life measured in tens of millions of years.

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 11.6 you'll want a small backyard telescope, over in Cassiopeia.
  • 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 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. ≈ 5 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 443.2 thousand years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
6.922
constellation
Cas
dist ly
283.8607
luminosity
0.1483
mag
11.62
name
HIP 12992
spect
B...

About HIP 12992

HIP 12992 is a trash star. It lies about 283.9 light-years from Earth, sits in the constellation Cas, shines at apparent magnitude 11.62 and has spectral type B....

Its spectrum reads B... — a blue-white B-type star, with a surface tens of thousands of degrees hot and a life measured in tens of millions of years.

How to see it

Look for HIP 12992 in the constellation Cas. At apparent magnitude 11.62, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 12992 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 12992 is a trash star

HIP 12992 scores 13 points on Spacedle's rarity scale, which places it in the trash tier. Another 2 points would lift it into a rarer tier.

That score comes from 3 science badges — Star, Never sets (northern circumpolar) and Hot blue B-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.