Messier 100
Spiral galaxy in the constellation Coma Berenicies
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Summary
Messier 100 is a spiral galaxy[1]. It ranks in the top 2% of spiral galaxy entities by monthly Wikipedia readership (662 views/month).[2]
Key Facts
- Discoverer or inventor: Pierre Méchain[3]
- Instance of: astronomical radio source[4], HI (21cm) source[5], infrared source[6], astrophysical X-ray source[7], active galactic nucleus[8]
- Constellation: Coma Berenices[9]
- Galaxy morphological type: SAB(s)bc[10], Sc(dSc)[11]
- Part of: Virgo Cluster[12], [T2015] nest 100002[13]
- Commons category: Messier 100[14]
- Has part(s): SN 1901B[15], SN 1914A[16], SN 1959E[17], SN 1979C[18], SN 2006X[19], Q110640030[20]
- Catalog code: M100[21], PGC 40153[22], 2MASX J12225489+1549205[23], MCG+03-32-015[24], NGC 4321[25], IRAS 12204+1605[26], IRAS F12203+1605[27], UGC 7450[28], VCC 596[29], EVCC 467[30], SDSS J122254.91+154920.2[31], HIPASS J1222+15[32], PSCz tuberculosis+1605[33], Z 1220.4+1606[34]
- Time of discovery or invention: March 15, 1781[35]
- Topic's main category: Category:NGC 4321[36]
- Commons gallery: Messier 100[37]
- Redshift: 0.00525[38], 0.005287[39], 0.000003[40]
- Apparent magnitude: 9.35[41], 10.04[42], 10.05[43], 16.1549[44], 7.459[45], 6.817[46], 6.589[47], 13.759[48], 12.310[49], 11.452[50], 10.991[51], 10.659[52]
- Radial velocity: 1570 kilometre per second[53], 1572 kilometre per second[54], 1586 kilometre per second[55], 1569.1 kilometre per second[56], 1574 kilometre per second[57], 1575 kilometre per second[58], 1585 kilometre per second[59], 1579 kilometre per second[60], 1498 kilometre per second[61], 1617 kilometre per second[62]
- Distance from Earth: 45,000,000 light-year[63], 13.93 megaparsec[64]
Why It Matters
Messier 100 has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[65] It is known by 9 alternative names across languages and contexts.[66]