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Common star 16 EP

HIP 50642

RA 155.1450° · Dec 29.5717° · star

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Score breakdown

· 4 badges
16 pts · Common
Common 22 pts → Uncommon
  • Deep red star +8
  • Star +3
  • Orange K-type star +3
  • Main-sequence star +2
Total score 16

6 more points to reach Uncommon.

Badges

  • Star · +3
  • Orange K-type star · +3
  • Main-sequence star · +2
  • Deep red star · +8

Trivia

Hard to believe

  • True brightness. It pours out about 2.6 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 K2V — 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 on the main sequence, quietly fusing hydrogen in its core exactly as the Sun does.

Find it in the sky

  • How to spot it. At magnitude 8.8 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Leo Minor.
  • 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 February — 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 1.6) — one of the coolest surfaces a star can have while still fusing.

By the numbers

  • Surface temperature. Its colour puts the surface at roughly 3660 K, against the Sun's 5778 K.

Properties

absmag
-11.2
bv
1.593
constellation
LMi
luminosity
2630267.9919
mag
8.8
name
HIP 50642
spect
K2V

About HIP 50642

HIP 50642 is a common star. It sits in the constellation LMi, shines at apparent magnitude 8.8 and has spectral type K2V.

Its spectrum reads K2V — 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 HIP 50642 in the constellation LMi. At apparent magnitude 8.8, it is an easy target for binoculars.

Like any astronomical target, HIP 50642 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 50642 is a common star

HIP 50642 scores 16 points on Spacedle's rarity scale, which places it in the common tier. Another 6 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, Orange K-type star, Main-sequence star and Deep red 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.