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Trash star 10 EP

HD 163615

RA 269.8620° · Dec -47.7740° · star

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Score breakdown

· 3 badges
10 pts · Trash
Trash 15 pts → Common
  • White A-type star +5
  • Star +3
  • Main-sequence star +2
Total score 10

5 more points to reach Common.

Badges

  • Star · +3
  • White A-type star · +5
  • Main-sequence star · +2

Trivia

What it actually is

  • Spectral class. Its spectrum reads A2/A3V+... — 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 7.9 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Ara.
  • 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.

Could we get there?

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

Getting there

  • Aboard Voyager 1. ≈ 14.9 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 1.3 million years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
0.837
bv
0.1
constellation
Ara
dist ly
847.1586
luminosity
40.2903
mag
7.91
name
HD 163615
spect
A2/A3V+...

About HD 163615

HD 163615 is a trash star. It lies about 847.2 light-years from Earth, sits in the constellation Ara, shines at apparent magnitude 7.91 and has spectral type A2/A3V+....

Its spectrum reads A2/A3V+... — 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 163615 in the constellation Ara. At apparent magnitude 7.91, it is an easy target for binoculars.

Like any astronomical target, HD 163615 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 163615 is a trash star

HD 163615 scores 10 points on Spacedle's rarity scale, which places it in the trash tier. Another 5 points would lift it into a rarer tier.

That score comes from 3 science badges — Star, White A-type star and Main-sequence 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.