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Common star 18 EP

HIP 7333

RA 23.6026° · Dec 65.9639° · star

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Score breakdown

· 4 badges
18 pts · Common
Common 22 pts → Uncommon
  • Red dwarf +6
  • Cool red M-type star +5
  • Never sets (northern circumpolar) +4
  • Star +3
Total score 18

4 more points to reach Uncommon.

Badges

  • Star · +3
  • Never sets (northern circumpolar) · +4
  • Cool red M-type star · +5
  • Red dwarf · +6

Trivia

What it actually is

  • Spectral class. Its spectrum reads M0 — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.

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 10.7 you'll want a small backyard telescope, over in Cassiopeia.
  • Never sets. So far north that from Britain, Canada or northern Europe it never dips below the horizon — it is up every clear night of the year.
  • Best time of year. It stands highest in the middle of the night around October — 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. ≈ 2.5 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 218.3 thousand years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
7.57
bv
1.17
constellation
Cas
dist ly
139.8012
luminosity
0.0817
mag
10.73
name
HIP 7333
spect
M0

About HIP 7333

HIP 7333 is a common star. It lies about 139.8 light-years from Earth, sits in the constellation Cas, shines at apparent magnitude 10.73 and has spectral type M0.

Its spectrum reads M0 — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.

How to see it

Look for HIP 7333 in the constellation Cas. At apparent magnitude 10.73, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 7333 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 7333 is a common star

HIP 7333 scores 18 points on Spacedle's rarity scale, which places it in the common tier. Another 4 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, Never sets (northern circumpolar), Cool red M-type star and Red dwarf — 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.