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Anomaly variable star 94 EP

HIP 53085

RA 162.9052° · Dec -21.2501° · star

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Score breakdown

· 8 badges
94 pts · Anomaly
Anomaly 120 pts → Mythic
  • Carbon star (sooty red) +24
  • Dramatic variable (over 2 magnitudes) +20
  • Supergiant +18
  • Intrinsically luminous (Mv < −2) +10
  • Deep red star +8
  • Distant (over 1,000 light-years) +6
  • Variable star +5
  • A named variable star +3
Total score 94

26 more points to reach Mythic.

Badges

  • Variable star · +5
  • Distant (over 1,000 light-years) · +6
  • Carbon star (sooty red) · +24
  • Supergiant · +18
  • Deep red star · +8
  • Intrinsically luminous (Mv < −2) · +10
  • Dramatic variable (over 2 magnitudes) · +20
  • A named variable star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads C9I — a carbon star, wrapped in so much soot that its light is filtered to a deep ruby red.
  • Where it is in life. It is a supergiant. Drop it where the Sun is and its surface would engulf the inner planets.
  • 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 7 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Hydra.
  • 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 March — that's when to go looking.

Could we get there?

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

Properties

absmag
-2.208
bv
2.6
constellation
Hya
dist ly
2264.9721
luminosity
665.5796
mag
7
name
HIP 53085
spect
C9I
var amplitude
2.15
var designation
V
var max
6.335
var min
8.485

About HIP 53085

HIP 53085 is an anomaly variable star. It lies about 2,265 light-years from Earth, sits in the constellation Hya, shines at apparent magnitude 7 and has spectral type C9I.

Its spectrum reads C9I — a carbon star, wrapped in so much soot that its light is filtered to a deep ruby red.

How to see it

Look for HIP 53085 in the constellation Hya. At apparent magnitude 7, it is an easy target for binoculars.

Like any astronomical target, HIP 53085 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 53085 is an anomaly variable star

HIP 53085 scores 94 points on Spacedle's rarity scale, which places it in the anomaly tier. Another 26 points would lift it into a rarer tier.

That score comes from 8 science badges — Variable star, Distant (over 1,000 light-years), Carbon star (sooty red), Supergiant, Deep red star, Intrinsically luminous (Mv < −2), Dramatic variable (over 2 magnitudes) 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.