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Epic variable star 50 EP

56 Leo

RA 164.0061° · Dec 6.1854° · star

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Score breakdown

· 8 badges
50 pts · Epic
Epic 78 pts → Anomaly
  • Fades out of naked-eye view +16
  • Naked-eye visible +8
  • Giant star +6
  • Variable star +5
  • Cool red M-type star +5
  • Gently variable +4
  • On the zodiac +3
  • A named variable star +3
Total score 50

28 more points to reach Anomaly.

Badges

  • Variable star · +5
  • Naked-eye visible · +8
  • On the zodiac · +3
  • Cool red M-type star · +5
  • Giant star · +6
  • Gently variable · +4
  • Fades out of naked-eye view · +16
  • A named variable star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads M5IIIvar — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.
  • Where it is in life. It is a giant. It has already exhausted its core hydrogen and swollen up enormously in response.
  • 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 5.9 you can see it with your own eyes from a dark site, over in Leo.
  • 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 March — that's when to go looking.

Could we get there?

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

Properties

absmag
0.529
bv
1.256
constellation
Leo
dist ly
388.7437
luminosity
53.5057
mag
5.91
name
56 Leo
spect
M5IIIvar
var amplitude
0.26
var designation
VY
var max
5.819
var min
6.079

About 56 Leo

56 Leo is an epic variable star. It lies about 388.7 light-years from Earth, sits in the constellation Leo, shines at apparent magnitude 5.91 and has spectral type M5IIIvar.

Its spectrum reads M5IIIvar — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.

How to see it

Look for 56 Leo in the constellation Leo. At apparent magnitude 5.91, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, 56 Leo 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 56 Leo is an epic variable star

56 Leo scores 50 points on Spacedle's rarity scale, which places it in the epic tier. Another 28 points would lift it into a rarer tier.

That score comes from 8 science badges — Variable star, Naked-eye visible, On the zodiac, Cool red M-type star, Giant star, Gently variable, Fades out of naked-eye view 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.