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Trash star 11 EP

77Sig Leo

RA 170.2841° · Dec 6.0293° · star

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Score breakdown

· 2 badges
11 pts · Trash
Trash 15 pts → Common
  • Naked-eye visible +8
  • Star +3
Total score 11

4 more points to reach Common.

Badges

  • Star · +3
  • Naked-eye visible · +8

Trivia

Could we get there?

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

Getting there

  • Aboard Voyager 1. ≈ 3.9 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 343.6 thousand years even at the Parker Solar Probe's 192 km/s.
  • At 10% light speed. ≈ 2201 years in a starship at a tenth of light speed.
  • Distance. 220 light-years from Earth.

Look-back time

  • Look-back time. The light you'd see left around the year 1806.

Saying hello

  • Say hello. A radio message and its reply would take 440 years round-trip.

Properties

absmag
-0.096
bv
-0.058
constellation
Leo
dist ly
220.0783
mag
4.05
name
77Sig Leo
spect
B9.5Vs

About 77Sig Leo

77Sig Leo is a trash star. It lies about 220.1 light-years from Earth, sits in the constellation Leo, shines at apparent magnitude 4.05 and has spectral type B9.5Vs.

77Sig Leo is a trash star worth 11 points across 2 science badges. Explore its facts, badges and place on the sky map, then add it to your dex on Spacedle.

How to see it

Look for 77Sig Leo in the constellation Leo. At apparent magnitude 4.05, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, 77Sig Leo 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 77Sig Leo is a trash star

77Sig Leo 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 2 science badges — Star and Naked-eye visible — 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.

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Sky imagery and survey data courtesy of Aladin Lite & CDS, Strasbourg. Object data from the NASA Exoplanet Archive, JPL Small-Body Database, and the ATNF Pulsar Catalogue.