Trash star 14 EP

HIP 108320

RA 329.1710° · Dec 2.5345° · star

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Score breakdown

· 3 badges

14 pts · Trash

Trash 15 pts → Common

Red dwarf +6
Cool red M-type star +5
Star +3

Total score 14

1 more point to reach Common.

Badges

Star · +3
Cool red M-type star · +5
Red dwarf · +6

Trivia

Hard to believe

True brightness. It pours out about 520 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 M0 — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.

Find it in the sky

How to spot it. At magnitude 10.5 you'll want a small backyard telescope, over in Pegasus.
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 August — that's when to go looking.

Its true colour

Its true colour. Measured through blue and visual filters it comes out orange (B−V 1.1) — cooler than the Sun, and the kind of star that burns steadily for tens of billions of years.

By the numbers

Surface temperature. Its colour puts the surface at roughly 4460 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: -9.46
bv: 1.126
constellation: Peg
luminosity: 529663.4439
mag: 10.54
name: HIP 108320
spect: M0

Nearby objects

About HIP 108320

HIP 108320 is a trash star. It sits in the constellation Peg, shines at apparent magnitude 10.54 and has spectral type M0.

Its spectrum reads M0 — 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 HIP 108320 in the constellation Peg. At apparent magnitude 10.54, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 108320 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 108320 is a trash star

HIP 108320 scores 14 points on Spacedle's rarity scale, which places it in the trash tier. Another 1 point would lift it into a rarer tier.

That score comes from 3 science badges — Star, Cool red M-type star and Red dwarf — 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.