Uncommon variable star 22 EP

GL GJ 3917

RA 237.0394° · Dec 1.5717° · 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 7.4 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Serpens.
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 May — that's when to go looking.

Could we get there?

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

Properties

absmag: 5.799
bv: 0.801
constellation: Ser
dist ly: 69.4393
luminosity: 0.4173
mag: 7.44
name: GL GJ 3917
spect: G8V
var amplitude: 0.06
var designation: V382
var max: 7.412
var min: 7.472

Nearby objects

About GL GJ 3917

GL GJ 3917 is an uncommon variable star. It lies about 69.4 light-years from Earth, sits in the constellation Ser, shines at apparent magnitude 7.44 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 GJ 3917 in the constellation Ser. At apparent magnitude 7.44, it is an easy target for binoculars.

Like any astronomical target, GL GJ 3917 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 GJ 3917 is an uncommon variable star

GL GJ 3917 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.