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Uncommon variable star 32 EP

HD 83950

RA 145.9394° · Dec 55.9525° · star

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Score breakdown

· 6 badges
32 pts · Uncommon
Uncommon 34 pts → Rare
  • Strongly variable +10
  • Sun-like G-type star +8
  • Variable star +5
  • Never sets (northern circumpolar) +4
  • A named variable star +3
  • Main-sequence star +2
Total score 32

2 more points to reach Rare.

Badges

  • Variable star · +5
  • Never sets (northern circumpolar) · +4
  • Sun-like G-type star · +8
  • Main-sequence star · +2
  • Strongly variable · +10
  • A named variable star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads G2Vn — a G-type star: the very same spectral class as our own Sun.
  • Where it is in life. It is on the main sequence, quietly fusing hydrogen in its core exactly as the Sun does.
  • It changes. This star does not hold still: its brightness rises and falls on a rhythm of hours, days or years, either pulsing in size or being eclipsed by a companion.

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 7.8 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Ursa Major.
  • 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 February — that's when to go looking.

Could we get there?

  • Verdict. Hopelessly far for any craft humanity can build today.

Properties

absmag
4.212
bv
0.62
constellation
UMa
dist ly
174.2286
luminosity
1.7997
mag
7.85
name
HD 83950
spect
G2Vn
var amplitude
0.68
var designation
W
var max
7.719
var min
8.399

About HD 83950

HD 83950 is an uncommon variable star. It lies about 174.2 light-years from Earth, sits in the constellation UMa, shines at apparent magnitude 7.85 and has spectral type G2Vn.

Its spectrum reads G2Vn — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for HD 83950 in the constellation UMa. At apparent magnitude 7.85, it is an easy target for binoculars.

Like any astronomical target, HD 83950 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 83950 is an uncommon variable star

HD 83950 scores 32 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 2 points would lift it into a rarer tier.

That score comes from 6 science badges — Variable star, Never sets (northern circumpolar), Sun-like G-type star, Main-sequence star, Strongly variable and A named variable 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.