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Rare star 39 EP

HR 7652

RA 300.8894° · Dec -37.9407° · star

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Score breakdown

· 7 badges
39 pts · Rare
Rare 50 pts → Epic
  • Naked-eye visible +8
  • Toward the galactic centre +8
  • Deep red star +8
  • Giant star +6
  • Star +3
  • On the zodiac +3
  • Orange K-type star +3
Total score 39

11 more points to reach Epic.

Badges

  • Star · +3
  • Naked-eye visible · +8
  • Toward the galactic centre · +8
  • On the zodiac · +3
  • Orange K-type star · +3
  • Giant star · +6
  • Deep red star · +8

Trivia

What it actually is

  • Spectral class. Its spectrum reads K4III — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.
  • 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 4.8 you can see it with your own eyes from a dark site, over in Sagittarius.
  • 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 July — 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. ≈ 6.4 million years at Voyager 1's speed (17 km/s).

Properties

absmag
-0.483
bv
1.417
constellation
Sgr
dist ly
366.4676
luminosity
135.8939
mag
4.77
name
HR 7652
spect
K4III

About HR 7652

HR 7652 is a rare star. It lies about 366.5 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 4.77 and has spectral type K4III.

Its spectrum reads K4III — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.

How to see it

Look for HR 7652 in the constellation Sgr. At apparent magnitude 4.77, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, HR 7652 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 HR 7652 is a rare star

HR 7652 scores 39 points on Spacedle's rarity scale, which places it in the rare tier. Another 11 points would lift it into a rarer tier.

That score comes from 7 science badges — Star, Naked-eye visible, Toward the galactic centre, On the zodiac, Orange K-type star, Giant 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.