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Uncommon variable star 22 EP

HR 2162

RA 91.1946° · Dec -48.4583° · star

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Score breakdown

· 5 badges
22 pts · Uncommon
Uncommon 34 pts → Rare
  • Sun-like G-type star +8
  • Variable star +5
  • Gently variable +4
  • A named variable star +3
  • Main-sequence star +2
Total score 22

12 more points to reach Rare.

Badges

  • Variable star · +5
  • Sun-like G-type star · +8
  • Main-sequence star · +2
  • Gently variable · +4
  • A named variable star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads G6V — 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. Inside our stellar backyard: every radio broadcast humanity has ever made has already swept past it.

Find it in the sky

  • How to spot it. At magnitude 6.6 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Puppis.
  • 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 December — that's when to go looking.

Could we get there?

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

Properties

absmag
4.214
bv
0.712
constellation
Pup
dist ly
97.8566
luminosity
1.7964
mag
6.6
name
HR 2162
spect
G6V
var amplitude
0.07
var designation
V575
var max
6.561
var min
6.631

About HR 2162

HR 2162 is an uncommon variable star. It lies about 97.9 light-years from Earth, sits in the constellation Pup, shines at apparent magnitude 6.6 and has spectral type G6V.

Its spectrum reads G6V — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for HR 2162 in the constellation Pup. At apparent magnitude 6.6, it is an easy target for binoculars.

Like any astronomical target, HR 2162 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 2162 is an uncommon variable star

HR 2162 scores 22 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 12 points would lift it into a rarer tier.

That score comes from 5 science badges — Variable star, Sun-like G-type star, Main-sequence star, Gently 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.