Sagittarius A*

Summary

Sagittarius A is an astronomical radio source^[1]. Sagittarius A ranks in the top 5% of astronomical_radio_source entities by monthly Wikipedia readership (17,742 views/month).^[2]

Key Facts

• Sagittarius A* is credited with the discovery of National Radio Astronomy Observatory^[3].
• Sagittarius A* is credited with the discovery of Robert Hanbury Brown^[4].
• Sagittarius A*'s instance of is recorded as astronomical radio source^[5].
• Sagittarius A*'s instance of is recorded as supermassive black hole^[6].
• Sagittarius A*'s constellation is recorded as Sagittarius^[7].
• Sagittarius A* is part of Galactic Center of Milky Way^[8].
• Sagittarius A* is part of Sagittarius A^[9].
• Sagittarius A's Commons category is recorded as Sagittarius A^[10].
• Sagittarius A*'s parent astronomical body is recorded as Sagittarius A^[11].
• Sagittarius A*'s child astronomical body is recorded as GCIRS 13E^[12].
• Sagittarius A*'s child astronomical body is recorded as S2^[13].
• Sagittarius A*'s child astronomical body is recorded as S0-102^[14].
• Sagittarius A*'s child astronomical body is recorded as Solar System^[15].
• Sagittarius A*'s child astronomical body is recorded as Q108759443^[16].
• Sagittarius A*'s child astronomical body is recorded as S4716^[17].
• Sagittarius A*'s catalog code is recorded as CXOGC J174540.0-290027^[18].
• Sagittarius A*'s catalog code is recorded as [SKM2002] 28^[19].
• Sagittarius A*'s time of discovery or invention is recorded as February 14, 1974^[20].
• Sagittarius A*'s mass is recorded as {'unit': 'Q180892', 'amount': '+4020000'}^[21].
• Sagittarius A*'s distance from Earth is recorded as {'unit': 'Q531', 'amount': '+26000'}^[22].
• Sagittarius A*'s on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4^[23].
• Sagittarius A*'s right ascension is recorded as {'unit': 'Q28390', 'amount': '+266.416816625'}^[24].
• Sagittarius A*'s declination is recorded as {'unit': 'Q28390', 'amount': '-29.007824972'}^[25].
• Sagittarius A*'s epoch is recorded as J2000.0^[26].

Body

Definition and Type

Recorded instance of include astronomical radio source^[5] and supermassive black hole^[6].

Use and Application

Part of include Galactic Center of Milky Way^[8], a barycenter^[27] and Sagittarius A^[9], an astronomical radio source^[28].

Why It Matters

Sagittarius A ranks in the top 5% of astronomical_radio_source entities by monthly Wikipedia readership (17,742 views/month).^[2] Sagittarius A has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.^[29] Sagittarius A* is known by 31 alternative names across languages and contexts.^[30]