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Rare star 39 EP

HD 165767

RA 272.2271° · Dec -29.9929° · star

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Score breakdown

· 7 badges
39 pts · Rare
Rare 50 pts → Epic
  • Intrinsically luminous (Mv < −2) +10
  • Toward the galactic centre +8
  • Distant (over 1,000 light-years) +6
  • 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
  • Distant (over 1,000 light-years) · +6
  • Toward the galactic centre · +8
  • On the zodiac · +3
  • Orange K-type star · +3
  • Giant star · +6
  • Intrinsically luminous (Mv < −2) · +10

Trivia

What it actually is

  • Spectral class. Its spectrum reads K2/K3III+.. — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.

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 it is just past naked-eye reach — ordinary binoculars will pull it in, 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 June — 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. ≈ 49.8 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 4.4 million years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
-2.727
bv
1.127
constellation
Sgr
dist ly
2836.1391
luminosity
1073.4949
mag
6.97
name
HD 165767
spect
K2/K3III+..

About HD 165767

HD 165767 is a rare star. It lies about 2,836.1 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 6.97 and has spectral type K2/K3III+...

Its spectrum reads K2/K3III+.. — 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 HD 165767 in the constellation Sgr. At apparent magnitude 6.97, it is an easy target for binoculars.

Like any astronomical target, HD 165767 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 165767 is a rare star

HD 165767 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, Distant (over 1,000 light-years), Toward the galactic centre, On the zodiac, Orange K-type star, Giant star and Intrinsically luminous (Mv < −2) — 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.