Messier 39

Summary

Messier 39 is an open cluster^[1]. It draws 34 Wikipedia views per month (open_cluster category, ranking #26 of 108).^[2]

Key Facts

• Messier 39 is credited with the discovery of Charles Messier^[3].
• Messier 39's image is recorded as M39atlas.jpg^[4].
• Messier 39's image is recorded as M39.jpg^[5].
• Messier 39's instance of is recorded as open cluster^[6].
• Messier 39's constellation is recorded as Cygnus^[7].
• Messier 39's spectral class is recorded as d^[8].
• Messier 39's part of is recorded as Milky Way^[9].
• Messier 39's Commons category is recorded as Messier 39^[10].
• Messier 39's catalog code is recorded as M 39^[11].
• Messier 39's catalog code is recorded as NGC 7092^[12].
• Messier 39's catalog code is recorded as Collinder 438^[13].
• Messier 39's catalog code is recorded as Melotte 236^[14].
• Messier 39's catalog code is recorded as OCl 211.0^[15].
• Messier 39's catalog code is recorded as C 2130+482^[16].
• Messier 39's time of discovery or invention is recorded as +1764-10-24T00:00:00Z^[17].
• Messier 39's Freebase ID is recorded as /m/03tq11^[18].
• Messier 39's topic's main category is recorded as Category:Messier 39^[19].
• Messier 39's Commons gallery is recorded as Messier 39^[20].
• Messier 39's apparent magnitude is recorded as {'amount': '+4.66'}^[21].
• Messier 39's apparent magnitude is recorded as {'amount': '+4.6'}^[22].
• Messier 39's absolute magnitude is recorded as {'amount': '-2.5'}^[23].
• Messier 39's radius is recorded as {'unit': 'Q531', 'amount': '+3.5'}^[24].
• Messier 39's parallax is recorded as {'unit': 'Q21500224', 'amount': '+3.3373'}^[25].
• Messier 39's radial velocity is recorded as {'unit': 'Q3674704', 'amount': '-5.4'}^[26].
• Messier 39's radial velocity is recorded as {'unit': 'Q3674704', 'amount': '-5.07'}^[27].

Body

Geography

Messier 39's part of is recorded as Milky Way^[9].

Designation and Status

Messier 39's instance of is recorded as open cluster^[6].

History and Context

Catalog codes include M 39^[11], NGC 7092^[12], Collinder 438^[13], Melotte 236^[14], OCl 211.0^[15], and C 2130+482^[16].

Why It Matters

Messier 39 draws 34 Wikipedia views per month (open_cluster category, ranking #26 of 108).^[2] It has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.^[28] It is known by 8 alternative names across languages and contexts.^[29]