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Trash variable star 5 EP

12 CMa

RA 101.7562° · Dec -21.0154° · star

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Score breakdown

· 1 badge
5 pts · Trash
Trash 15 pts → Common
  • Variable star +5
Total score 5

10 more points to reach Common.

Badges

  • Variable star · +5

Trivia

Could we get there?

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

Getting there

  • Aboard Voyager 1. ≈ 13.8 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 1.2 million years even at the Parker Solar Probe's 192 km/s.
  • At 10% light speed. ≈ 7878 years in a starship at a tenth of light speed.
  • Distance. 788 light-years from Earth.

Look-back time

  • Look-back time. The light you'd see left around the year 1238.

Saying hello

  • Say hello. A radio message and its reply would take 1576 years round-trip.

Properties

absmag
-0.845
bv
-0.159
constellation
CMa
dist ly
787.8164
mag
6.07
name
12 CMa
spect
B7II/III

About 12 CMa

12 CMa is a trash variable star. It lies about 787.8 light-years from Earth, sits in the constellation CMa, shines at apparent magnitude 6.07 and has spectral type B7II/III.

12 CMa is a trash variable star worth 5 points across 1 science badge. Explore its facts, badges and place on the sky map, then add it to your dex on Spacedle.

How to see it

Look for 12 CMa in the constellation CMa. At apparent magnitude 6.07, it is an easy target for binoculars.

Like any astronomical target, 12 CMa 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 12 CMa is a trash variable star

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

That score comes from 1 science badge — Variable 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.

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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.