Messier 67
Open cluster
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Summary
Messier 67 is an open cluster[1]. It ranks in the top 6% of open cluster entities by monthly Wikipedia readership (420 views/month).[2]
Key Facts
- Discoverer or inventor: Johann Gottfried Koehler[3]
- Constellation: Cancer[4]
- Part of: Milky Way[5]
- Commons category: Messier 67[6]
- Catalog code: M 67[7], HR 3515[8], NGC 2682[9], OCl 549.0[10], Collinder 204[11], Melotte 94[12], C 0847+120[13], [KPS2012] MWSC 1585[14]
- Time of discovery or invention: 1779[15]
- Topic's main category: Category:Messier 67[16]
- Commons gallery: Messier 67[17]
- Apparent magnitude: 6.9[18], 7.6[19]
- Parallax: 1.1325 milliarcsecond[20]
- Radial velocity: 33.1 kilometre per second[21], 33.80 kilometre per second[22], 33.0 kilometre per second[23], 34.05 kilometre per second[24]
- Metallicity: -0.19[25], 0.05[26], 0.00[27], 0.03[28], -0.01[29]
- Distance from Earth: 2700 light-year[30], 0.9 kiloparsec[31], 986.279 parsec[32], 908 parsec[33]
- Angular diameter: 30 arcminute[34]
- Right ascension: 132.8250 degree[35]
- Declination: 11.8000 degree[36]
- Epoch: J2000.0[37]
- Age estimated by a dating method: 3,200,000,000 years[38]
- Declination component of proper motion: -5.72 milliarcsecond per year[39], -4.87 milliarcsecond per year[40], -2.9396 milliarcsecond per year[41], -2.939 milliarcsecond per year[42]
- Right ascension component of proper motion: -8.23 milliarcsecond per year[43], -9.40 milliarcsecond per year[44], -10.9737 milliarcsecond per year[45], -10.973 milliarcsecond per year[46]
Why It Matters
Messier 67 has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[47] It is known by 16 alternative names across languages and contexts.[48]