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Common star 16 EP

HIP 87946

RA 269.4872° · Dec 4.2478° · star

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Score breakdown

· 3 badges
16 pts · Common
Common 22 pts → Uncommon
  • Deep red star +8
  • White A-type star +5
  • Star +3
Total score 16

6 more points to reach Uncommon.

Badges

  • Star · +3
  • White A-type star · +5
  • Deep red star · +8

Trivia

What it actually is

  • Spectral class. Its spectrum reads A2 — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.

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 10.6 you'll want a small backyard telescope, over in Ophiuchus.
  • Seen from everywhere. It sits almost on the celestial equator, so it can be seen from essentially anywhere on Earth.
  • 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. ≈ 13.7 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 1.2 million years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
3.751
bv
1.733
constellation
Oph
dist ly
778.4153
luminosity
2.7517
mag
10.64
name
HIP 87946
spect
A2

About HIP 87946

HIP 87946 is a common star. It lies about 778.4 light-years from Earth, sits in the constellation Oph, shines at apparent magnitude 10.64 and has spectral type A2.

Its spectrum reads A2 — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.

How to see it

Look for HIP 87946 in the constellation Oph. At apparent magnitude 10.64, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 87946 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 87946 is a common star

HIP 87946 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 3 science badges — Star, White A-type star and Deep red 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.