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Epic variable star 51 EP

HIP 11420

RA 36.8074° · Dec 59.4606° · star

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Score breakdown

· 8 badges
51 pts · Epic
Epic 78 pts → Anomaly
  • Supergiant +18
  • Deep red star +8
  • Distant (over 1,000 light-years) +6
  • Variable star +5
  • Never sets (northern circumpolar) +4
  • Gently variable +4
  • Yellow-white F-type star +3
  • A named variable star +3
Total score 51

27 more points to reach Anomaly.

Badges

  • Variable star · +5
  • Distant (over 1,000 light-years) · +6
  • Never sets (northern circumpolar) · +4
  • Yellow-white F-type star · +3
  • Supergiant · +18
  • Deep red star · +8
  • Gently variable · +4
  • A named variable star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads F8Ibvar — an F-type star — a little hotter, whiter and shorter-lived than the Sun.
  • Where it is in life. It is a supergiant, hundreds of times wider than the Sun.
  • 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 9.9 you'll want a small backyard telescope, over in Cassiopeia.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.
  • Best time of year. It stands highest in the middle of the night around October — that's when to go looking.

Could we get there?

  • Verdict. Impossible with our current technology — and the next millennium of it.

Properties

absmag
2.089
bv
1.594
constellation
Cas
dist ly
1212.4758
luminosity
12.7174
mag
9.94
name
HIP 11420
spect
F8Ibvar
var amplitude
0.42
var designation
SZ
var max
9.625
var min
10.045

About HIP 11420

HIP 11420 is an epic variable star. It lies about 1,212.5 light-years from Earth, sits in the constellation Cas, shines at apparent magnitude 9.94 and has spectral type F8Ibvar.

Its spectrum reads F8Ibvar — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HIP 11420 in the constellation Cas. At apparent magnitude 9.94, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 11420 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 HIP 11420 is an epic variable star

HIP 11420 scores 51 points on Spacedle's rarity scale, which places it in the epic tier. Another 27 points would lift it into a rarer tier.

That score comes from 8 science badges — Variable star, Distant (over 1,000 light-years), Never sets (northern circumpolar), Yellow-white F-type star, Supergiant, Deep red 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.