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Common star 21 EP

HIP 35007

RA 108.6392° · Dec 69.5397° · star

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Score breakdown

· 4 badges
21 pts · Common
Common 22 pts → Uncommon
  • Deep red star +8
  • Hot blue B-type star +6
  • Never sets (northern circumpolar) +4
  • Star +3
Total score 21

1 more point to reach Uncommon.

Badges

  • Star · +3
  • Never sets (northern circumpolar) · +4
  • Hot blue B-type star · +6
  • Deep red star · +8

Trivia

Hard to believe

  • True brightness. It pours out about 831.8 thousand 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 B5 — a blue-white B-type star, with a surface tens of thousands of degrees hot and a life measured in tens of millions of years.

Find it in the sky

  • How to spot it. At magnitude 10 you'll want a small backyard telescope, over in Camelopardalis.
  • Never sets. So far north that from Britain, Canada or northern Europe it never dips below the horizon — it is up every clear night of the year.
  • Best time of year. It stands highest in the middle of the night around January — 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 1.5) — one of the coolest surfaces a star can have while still fusing.

By the numbers

  • Surface temperature. Its colour puts the surface at roughly 3850 K, against the Sun's 5778 K.

What's in a name

  • Its catalogue. The HIP number comes from Hipparcos, the ESA satellite that between 1989 and 1993 pinned down 118,000 stars precisely enough to triangulate their distances.

Properties

absmag
-9.97
bv
1.461
constellation
Cam
luminosity
847227.4141
mag
10.03
name
HIP 35007
spect
B5

About HIP 35007

HIP 35007 is a common star. It sits in the constellation Cam, shines at apparent magnitude 10.03 and has spectral type B5.

Its spectrum reads B5 — a blue-white B-type star, with a surface tens of thousands of degrees hot and a life measured in tens of millions of years.

How to see it

Look for HIP 35007 in the constellation Cam. At apparent magnitude 10.03, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 35007 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 35007 is a common star

HIP 35007 scores 21 points on Spacedle's rarity scale, which places it in the common tier. Another 1 point would lift it into a rarer tier.

That score comes from 4 science badges — Star, Never sets (northern circumpolar), Hot blue B-type 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.