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Trash star 6 EP

HD 183849

RA 292.7070° · Dec 18.2507° · star

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Score breakdown

· 2 badges
6 pts · Trash
Trash 15 pts → Common
  • Star +3
  • Orange K-type star +3
Total score 6

9 more points to reach Common.

Badges

  • Star · +3
  • Orange K-type star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads K0 — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.

Find it in the sky

  • How to spot it. At magnitude 7.5 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Sagitta.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.
  • Best time of year. It stands highest in the middle of the night around July — that's when to go looking.

Its true colour

  • Its true colour. Measured through blue and visual filters it comes out orange (B−V 1.3) — cooler than the Sun, and the kind of star that burns steadily for tens of billions of years.

By the numbers

  • Surface temperature. Its colour puts the surface at roughly 4170 K, against the Sun's 5778 K.

What's in a name

  • Its catalogue. The HD number is from the Henry Draper Catalogue, in which Annie Jump Cannon personally classified the spectra of nearly 400,000 stars — still the largest such feat by one person.

Properties

absmag
-12.53
bv
1.271
constellation
Sge
luminosity
8953647.6555
mag
7.47
name
HD 183849
spect
K0

Nearby objects

About HD 183849

HD 183849 is a trash star. It sits in the constellation Sge, shines at apparent magnitude 7.47 and has spectral type K0.

Its spectrum reads K0 — 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 183849 in the constellation Sge. At apparent magnitude 7.47, it is an easy target for binoculars.

Like any astronomical target, HD 183849 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 183849 is a trash star

HD 183849 scores 6 points on Spacedle's rarity scale, which places it in the trash tier. Another 9 points would lift it into a rarer tier.

That score comes from 2 science badges — Star and Orange K-type 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.