Messier 55

Summary

Messier 55 is a globular cluster^[1]. It draws 28 Wikipedia views per month (globular_cluster category, ranking #19 of 58).^[2]

Key Facts

• Messier 55 is credited with the discovery of Nicolas Louis de Lacaille^[3].
• Messier 55's video is recorded as Zooming in on the globular star cluster Messier 55 (eso1220a).webm^[4].
• Messier 55's image is recorded as M55.jpg^[5].
• Messier 55's instance of is recorded as globular cluster^[6].
• Messier 55's constellation is recorded as Sagittarius^[7].
• Messier 55's spectral class is recorded as XI^[8].
• Messier 55's part of is recorded as Milky Way^[9].
• Messier 55's Commons category is recorded as Messier 55^[10].
• Messier 55's catalog code is recorded as M 55^[11].
• Messier 55's catalog code is recorded as NGC 6809^[12].
• Messier 55's catalog code is recorded as HD 185385^[13].
• Messier 55's catalog code is recorded as GCRV 6723 E^[14].
• Messier 55's catalog code is recorded as CD-31 16934^[15].
• Messier 55's catalog code is recorded as GCl 113^[16].
• Messier 55's catalog code is recorded as Melotte 221^[17].
• Messier 55's catalog code is recorded as C 1936-310^[18].
• Messier 55's catalog code is recorded as [KPS2012] MWSC 3150^[19].
• Messier 55's time of discovery or invention is recorded as +1752-06-16T00:00:00Z^[20].
• Messier 55's Freebase ID is recorded as /m/03twbb^[21].
• Messier 55's topic's main category is recorded as Category:Messier 55^[22].
• Messier 55's Commons gallery is recorded as Messier 55^[23].
• Messier 55's apparent magnitude is recorded as {'amount': '+6.49'}^[24].
• Messier 55's apparent magnitude is recorded as {'amount': '+3.69'}^[25].
• Messier 55's absolute magnitude is recorded as {'amount': '-7.57'}^[26].
• Messier 55's radius is recorded as {'unit': 'Q531', 'amount': '+50'}^[27].

Body

Geography

Messier 55's part of is recorded as Milky Way^[9].

Designation and Status

Messier 55's instance of is recorded as globular cluster^[6].

History and Context

Catalog codes include M 55^[11], NGC 6809^[12], HD 185385^[13], GCRV 6723 E^[14], CD-31 16934^[15], and GCl 113^[16].

Why It Matters

Messier 55 draws 28 Wikipedia views per month (globular_cluster category, ranking #19 of 58).^[2] It has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.^[28] It is known by 7 alternative names across languages and contexts.^[29]