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Uncommon variable star 33 EP

HR 1970

RA 85.7888° · Dec -1.6132° · star

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Score breakdown

· 7 badges
33 pts · Uncommon
Uncommon 34 pts → Rare
  • Deep red star +8
  • In Orion's hunting ground +6
  • Giant star +6
  • Variable star +5
  • Orange K-type star +3
  • A named variable star +3
  • Barely variable (under 0.05 mag) +2
Total score 33

1 more point to reach Rare.

Badges

  • Variable star · +5
  • In Orion's hunting ground · +6
  • Orange K-type star · +3
  • Giant star · +6
  • Deep red star · +8
  • Barely variable (under 0.05 mag) · +2
  • A named variable star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads K4III — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.
  • 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 6.3 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Orion.
  • 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 December — that's when to go looking.

Could we get there?

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

Properties

absmag
0.272
bv
1.467
constellation
Ori
dist ly
526.058
luminosity
67.7954
mag
6.31
name
HR 1970
spect
K4III
var amplitude
0.04
var designation
V1197
var max
6.288
var min
6.328

About HR 1970

HR 1970 is an uncommon variable star. It lies about 526.1 light-years from Earth, sits in the constellation Ori, shines at apparent magnitude 6.31 and has spectral type K4III.

Its spectrum reads K4III — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.

How to see it

Look for HR 1970 in the constellation Ori. At apparent magnitude 6.31, it is an easy target for binoculars.

Like any astronomical target, HR 1970 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 HR 1970 is an uncommon variable star

HR 1970 scores 33 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 1 point would lift it into a rarer tier.

That score comes from 7 science badges — Variable star, In Orion's hunting ground, Orange K-type star, Giant star, Deep red 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.