Trash star 11 EP

HD 91030

RA 157.6508° · Dec 6.6257° · star

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Score breakdown

· 3 badges

11 pts · Trash

Trash 15 pts → Common

White A-type star +5
Star +3
On the zodiac +3

Total score 11

4 more points to reach Common.

Badges

Star · +3
On the zodiac · +3
White A-type star · +5

Trivia

What it actually is

Spectral class. Its spectrum reads A0 — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.

Sense of scale

In perspective. Far away by human standards, yet still a local address inside the Milky Way's spiral arms.

Find it in the sky

How to spot it. At magnitude 8.1 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Leo.
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 February — that's when to go looking.

Could we get there?

Verdict. Hopelessly far for any craft humanity can build today.

Getting there

Aboard Voyager 1. ≈ 7.9 million years at Voyager 1's speed (17 km/s).
Fastest probe ever. ≈ 697.6 thousand years even at the Parker Solar Probe's 192 km/s.

Properties

absmag: 2.407
bv: 0.311
constellation: Leo
dist ly: 446.789
luminosity: 9.4886
mag: 8.09
name: HD 91030
spect: A0

Nearby objects

About HD 91030

HD 91030 is a trash star. It lies about 446.8 light-years from Earth, sits in the constellation Leo, shines at apparent magnitude 8.09 and has spectral type A0.

Its spectrum reads A0 — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.

How to see it

Look for HD 91030 in the constellation Leo. At apparent magnitude 8.09, it is an easy target for binoculars.

Like any astronomical target, HD 91030 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 91030 is a trash star

HD 91030 scores 11 points on Spacedle's rarity scale, which places it in the trash tier. Another 4 points would lift it into a rarer tier.

That score comes from 3 science badges — Star, On the zodiac and White A-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.