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Common star 18 EP

HIP 115131

RA 349.8021° · Dec 61.5175° · star

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Score breakdown

· 5 badges
18 pts · Common
Common 22 pts → Uncommon
  • Distant (over 1,000 light-years) +6
  • Never sets (northern circumpolar) +4
  • Star +3
  • Yellow-white F-type star +3
  • Main-sequence star +2
Total score 18

4 more points to reach Uncommon.

Badges

  • Star · +3
  • Distant (over 1,000 light-years) · +6
  • Never sets (northern circumpolar) · +4
  • Yellow-white F-type star · +3
  • Main-sequence star · +2

Trivia

What it actually is

  • Spectral class. Its spectrum reads F4V — an F-type star — a little hotter, whiter and shorter-lived than the Sun.
  • Where it is in life. It is on the main sequence, quietly fusing hydrogen in its core exactly as the Sun does.

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 8.6 it is just past naked-eye reach — ordinary binoculars will pull it in, 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 September — that's when to go looking.

Could we get there?

  • Verdict. Impossible with our current technology — and the next millennium of it.

Getting there

  • Aboard Voyager 1. ≈ 49 million years at Voyager 1's speed (17 km/s).

Properties

absmag
-1.089
bv
0.38
constellation
Cas
dist ly
2787.6583
luminosity
237.4652
mag
8.57
name
HIP 115131
spect
F4V

About HIP 115131

HIP 115131 is a common star. It lies about 2,787.7 light-years from Earth, sits in the constellation Cas, shines at apparent magnitude 8.57 and has spectral type F4V.

Its spectrum reads F4V — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HIP 115131 in the constellation Cas. At apparent magnitude 8.57, it is an easy target for binoculars.

Like any astronomical target, HIP 115131 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 115131 is a common star

HIP 115131 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 5 science badges — Star, Distant (over 1,000 light-years), Never sets (northern circumpolar), Yellow-white F-type star and Main-sequence 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.