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Common star 16 EP

HIP 83147

RA 254.8886° · Dec -26.2679° · star

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Score breakdown

· 4 badges
16 pts · Common
Common 22 pts → Uncommon
  • Red dwarf +6
  • Cool red M-type star +5
  • Star +3
  • Main-sequence star +2
Total score 16

6 more points to reach Uncommon.

Badges

  • Star · +3
  • Cool red M-type star · +5
  • Main-sequence star · +2
  • Red dwarf · +6

Trivia

What it actually is

  • Spectral class. Its spectrum reads M1V: — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.
  • 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. Inside our stellar backyard: every radio broadcast humanity has ever made has already swept past it.

Find it in the sky

  • How to spot it. At magnitude 10.4 you'll want a small backyard telescope, over in Ophiuchus.
  • 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 June — 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. ≈ 1.5 million years at Voyager 1's speed (17 km/s).

Properties

absmag
8.254
bv
1.356
constellation
Oph
dist ly
86.8361
luminosity
0.0435
mag
10.38
name
HIP 83147
spect
M1V:

About HIP 83147

HIP 83147 is a common star. It lies about 86.8 light-years from Earth, sits in the constellation Oph, shines at apparent magnitude 10.38 and has spectral type M1V:.

Its spectrum reads M1V: — 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 83147 in the constellation Oph. At apparent magnitude 10.38, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 83147 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 83147 is a common star

HIP 83147 scores 16 points on Spacedle's rarity scale, which places it in the common tier. Another 6 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, Cool red M-type star, Main-sequence 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.