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Rare variable star 40 EP

Nashira

RA 325.0227° · Dec -16.6623° · star

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Score breakdown

· 8 badges
40 pts · Rare
Rare 50 pts → Epic
  • Naked-eye visible +8
  • Has a proper name +8
  • Giant star +6
  • Variable star +5
  • White A-type star +5
  • On the zodiac +3
  • A named variable star +3
  • Barely variable (under 0.05 mag) +2
Total score 40

10 more points to reach Epic.

Badges

  • Variable star · +5
  • Naked-eye visible · +8
  • Has a proper name · +8
  • On the zodiac · +3
  • White A-type star · +5
  • Giant star · +6
  • Barely variable (under 0.05 mag) · +2
  • A named variable star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads A7III:mp... — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.
  • 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 3.7 you can see it with your own eyes from a dark site, over in Capricornus.
  • 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 August — that's when to go looking.

Could we get there?

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

Properties

absmag
0.277
bv
0.32
constellation
Cap
dist ly
157.0324
luminosity
67.4839
mag
3.69
name
Nashira
named
yes
spect
A7III:mp...
var amplitude
0.01
var designation
Gam
var max
3.684
var min
3.694

About Nashira

Nashira is a rare variable star. It lies about 157 light-years from Earth, sits in the constellation Cap, shines at apparent magnitude 3.69 and has spectral type A7III:mp....

Its spectrum reads A7III:mp... — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.

How to see it

Look for Nashira in the constellation Cap. At apparent magnitude 3.69, it can be glimpsed with the unaided eye under dark skies.

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

Nashira scores 40 points on Spacedle's rarity scale, which places it in the rare tier. Another 10 points would lift it into a rarer tier.

That score comes from 8 science badges — Variable star, Naked-eye visible, Has a proper name, On the zodiac, White A-type star, Giant 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.