Common star 17 EP

HD 314883

RA 269.0457° · Dec -27.2408° · star

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Score breakdown

· 4 badges

17 pts · Common

Common 22 pts → Uncommon

Toward the galactic centre +8
Star +3
On the zodiac +3
Yellow-white F-type star +3

Total score 17

5 more points to reach Uncommon.

Badges

Star · +3
Toward the galactic centre · +8
On the zodiac · +3
Yellow-white F-type star · +3

Trivia

Hard to believe

True brightness. It pours out about 955 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 F8 — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

Find it in the sky

How to spot it. At magnitude 9.9 you'll want a small backyard telescope, over in Sagittarius.
Southern sky. It rides the southern half of the sky — an easier target the further south you are.
Best time of year. It stands highest in the middle of the night around June — that's when to go looking.

Its true colour

Its true colour. Measured through blue and visual filters it comes out yellow-white (B−V 0.5) — a shade brighter and crisper than our own Sun.
Why no green stars. No star ever looks green: a surface hot enough to peak in green also floods out plenty of red and blue, and your eye blends the mixture back to white.

By the numbers

Surface temperature. Its colour puts the surface at roughly 6440 K, against the Sun's 5778 K.

Properties

absmag: -10.12
bv: 0.488
constellation: Sgr
luminosity: 972747.2238
mag: 9.88
name: HD 314883
spect: F8

Nearby objects

About HD 314883

HD 314883 is a common star. It sits in the constellation Sgr, shines at apparent magnitude 9.88 and has spectral type F8.

Its spectrum reads F8 — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HD 314883 in the constellation Sgr. At apparent magnitude 9.88, a small backyard telescope will bring it into view.

Like any astronomical target, HD 314883 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 314883 is a common star

HD 314883 scores 17 points on Spacedle's rarity scale, which places it in the common tier. Another 5 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, Toward the galactic centre, On the zodiac and Yellow-white F-type 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.