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Uncommon variable star 22 EP

GL Gl 641

RA 253.2450° · Dec -0.0264° · 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 G8V — 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 6.7 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Ophiuchus.
  • Seen from everywhere. It sits almost on the celestial equator, so it can be seen from essentially anywhere on Earth.
  • 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. Hopelessly far for any craft humanity can build today.

Properties

absmag
5.466
bv
0.749
constellation
Oph
dist ly
56.2629
luminosity
0.567
mag
6.65
name
GL Gl 641
spect
G8V
var amplitude
0.06
var designation
V2292
var max
6.617
var min
6.677

About GL Gl 641

GL Gl 641 is an uncommon variable star. It lies about 56.3 light-years from Earth, sits in the constellation Oph, shines at apparent magnitude 6.65 and has spectral type G8V.

Its spectrum reads G8V — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for GL Gl 641 in the constellation Oph. At apparent magnitude 6.65, it is an easy target for binoculars.

Like any astronomical target, GL Gl 641 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 GL Gl 641 is an uncommon variable star

GL Gl 641 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.