NGC 1981

Summary

NGC 1981 is an open cluster^[1]. It has Wikipedia articles in 33 language editions, a strong signal of global cultural recognition.^[2]

Key Facts

• NGC 1981 is credited with the discovery of John Frederick William Herschel^[3].
• NGC 1981's instance of is recorded as open cluster^[4].
• NGC 1981's constellation is recorded as Orion^[5].
• NGC 1981 is part of Orion Molecular Cloud Complex^[6].
• NGC 1981 is part of Milky Way^[7].
• NGC 1981's Commons category is recorded as NGC 1981^[8].
• NGC 1981's catalog code is recorded as NGC 1981^[9].
• NGC 1981's catalog code is recorded as OCl 525.0^[10].
• NGC 1981's catalog code is recorded as Collinder 73^[11].
• NGC 1981's catalog code is recorded as C 0532-044^[12].
• NGC 1981's catalog code is recorded as [KPS2012] MWSC 0579^[13].
• NGC 1981's time of discovery or invention is recorded as +1827-01-04T00:00:00Z^[14].
• NGC 1981's topic's main category is recorded as Category:NGC 1981^[15].
• NGC 1981's apparent magnitude is recorded as {'unit': '1', 'amount': '+4.2'}^[16].
• NGC 1981's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+27.9'}^[17].
• NGC 1981's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+400'}^[18].
• NGC 1981's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+83.7875'}^[19].
• NGC 1981's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-4.4317'}^[20].
• NGC 1981's epoch is recorded as J2000.0^[21].
• NGC 1981's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.36'}^[22].
• NGC 1981's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+3.22'}^[23].

Body

Definition and Type

NGC 1981's instance of is recorded as open cluster^[4].

Use and Application

Part of include Orion Molecular Cloud Complex^[6], a group^[24] and Milky Way^[7], a barred spiral galaxy^[25].

Why It Matters

NGC 1981 has Wikipedia articles in 33 language editions, a strong signal of global cultural recognition.^[2]