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Rare variable star 34 EP

Gumala

RA 288.8884° · Dec -24.1794° · star

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Score breakdown

· 8 badges
34 pts · Rare
Rare 50 pts → Epic
  • Has a proper name +8
  • Toward the galactic centre +8
  • Variable star +5
  • On the zodiac +3
  • Yellow-white F-type star +3
  • A named variable star +3
  • Main-sequence star +2
  • Barely variable (under 0.05 mag) +2
Total score 34

16 more points to reach Epic.

Badges

  • Variable star · +5
  • Has a proper name · +8
  • Toward the galactic centre · +8
  • On the zodiac · +3
  • Yellow-white F-type star · +3
  • Main-sequence star · +2
  • Barely variable (under 0.05 mag) · +2
  • A named variable star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads F8V — an F-type star — a little hotter, whiter and shorter-lived than the 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 6.2 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Sagittarius.
  • 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 July — that's when to go looking.

Could we get there?

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

Properties

absmag
4.05
bv
0.548
constellation
Sgr
dist ly
89.8501
luminosity
2.0893
mag
6.25
name
Gumala
named
yes
spect
F8V
var amplitude
0.02
var designation
V5652
var max
6.238
var min
6.258

About Gumala

Gumala is a rare variable star. It lies about 89.9 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 6.25 and has spectral type F8V.

Its spectrum reads F8V — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for Gumala in the constellation Sgr. At apparent magnitude 6.25, it is an easy target for binoculars.

Like any astronomical target, Gumala 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 Gumala is a rare variable star

Gumala scores 34 points on Spacedle's rarity scale, which places it in the rare tier. Another 16 points would lift it into a rarer tier.

That score comes from 8 science badges — Variable star, Has a proper name, Toward the galactic centre, On the zodiac, Yellow-white F-type star, Main-sequence star, Barely variable (under 0.05 mag) 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.