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Common star 17 EP

HD 54489

RA 107.2825° · Dec 2.2531° · star

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Score breakdown

· 3 badges
17 pts · Common
Common 22 pts → Uncommon
  • Sun-like G-type star +8
  • Giant star +6
  • Star +3
Total score 17

5 more points to reach Uncommon.

Badges

  • Star · +3
  • Sun-like G-type star · +8
  • Giant star · +6

Trivia

What it actually is

  • Spectral class. Its spectrum reads G9III — a G-type star: the very same spectral class as our own Sun.
  • Where it is in life. It is a giant. It has already exhausted its core hydrogen and swollen up enormously in response.

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 7.2 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Canis Minor.
  • 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 January — 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 million years at Voyager 1's speed (17 km/s).

Properties

absmag
-0.001
bv
1.314
constellation
CMi
dist ly
911.0503
luminosity
87.1766
mag
7.23
name
HD 54489
spect
G9III

About HD 54489

HD 54489 is a common star. It lies about 911.1 light-years from Earth, sits in the constellation CMi, shines at apparent magnitude 7.23 and has spectral type G9III.

Its spectrum reads G9III — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for HD 54489 in the constellation CMi. At apparent magnitude 7.23, it is an easy target for binoculars.

Like any astronomical target, HD 54489 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 54489 is a common star

HD 54489 scores 17 points on Spacedle's rarity scale, which places it in the common tier. Another 5 points would lift it into a rarer tier.

That score comes from 3 science badges — Star, Sun-like G-type star and Giant 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.