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Uncommon star 25 EP

HD 18076

RA 44.2181° · Dec 59.0889° · star

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Score breakdown

· 4 badges
25 pts · Uncommon
Uncommon 34 pts → Rare
  • Bright giant +12
  • Hot blue B-type star +6
  • Never sets (northern circumpolar) +4
  • Star +3
Total score 25

9 more points to reach Rare.

Badges

  • Star · +3
  • Never sets (northern circumpolar) · +4
  • Hot blue B-type star · +6
  • Bright giant · +12

Trivia

What it actually is

  • Spectral class. Its spectrum reads B0II-III — 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.
  • Where it is in life. It is a bright giant, well on its way to the largest stars there are.

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 9.1 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. ≈ 16.3 million years at Voyager 1's speed (17 km/s).

Properties

absmag
1.793
bv
0.587
constellation
Cas
dist ly
926.5795
luminosity
16.7032
mag
9.06
name
HD 18076
spect
B0II-III

About HD 18076

HD 18076 is an uncommon star. It lies about 926.6 light-years from Earth, sits in the constellation Cas, shines at apparent magnitude 9.06 and has spectral type B0II-III.

Its spectrum reads B0II-III — 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 HD 18076 in the constellation Cas. At apparent magnitude 9.06, a small backyard telescope will bring it into view.

Like any astronomical target, HD 18076 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 18076 is an uncommon star

HD 18076 scores 25 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 9 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, Never sets (northern circumpolar), Hot blue B-type star and Bright giant — 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.