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Rare variable star 43 EP

HD 14826

RA 36.3411° · Dec 57.4373° · star

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Score breakdown

· 6 badges
43 pts · Rare
Rare 50 pts → Epic
  • Supergiant +18
  • Deep red star +8
  • Variable star +5
  • Cool red M-type star +5
  • Gently variable +4
  • A named variable star +3
Total score 43

7 more points to reach Epic.

Badges

  • Variable star · +5
  • Cool red M-type star · +5
  • Supergiant · +18
  • Deep red star · +8
  • Gently variable · +4
  • A named variable star · +3

Trivia

Hard to believe

  • True brightness. It pours out about 3.3 million times as much light as the Sun. It only looks ordinary because it is so far away.

What it actually is

  • Spectral class. Its spectrum reads M2Iab — 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 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.

Find it in the sky

  • How to spot it. At magnitude 8.5 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Perseus.
  • 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.

Its true colour

  • Its true colour. Measured through blue and visual filters it comes out deep orange-red (B−V 2.3) — one of the coolest surfaces a star can have while still fusing.

Properties

absmag
-11.46
bv
2.33
constellation
Per
luminosity
3341950.4003
mag
8.54
name
HD 14826
spect
M2Iab
var amplitude
0.18
var designation
V441
var max
8.451
var min
8.631

About HD 14826

HD 14826 is a rare variable star. It sits in the constellation Per, shines at apparent magnitude 8.54 and has spectral type M2Iab.

Its spectrum reads M2Iab — 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 HD 14826 in the constellation Per. At apparent magnitude 8.54, it is an easy target for binoculars.

Like any astronomical target, HD 14826 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 HD 14826 is a rare variable star

HD 14826 scores 43 points on Spacedle's rarity scale, which places it in the rare tier. Another 7 points would lift it into a rarer tier.

That score comes from 6 science badges — Variable star, Cool red M-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.