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Quasar
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Active galactic nucleus (AGN) containing a supermassive black hole
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Instances
1
NGC 6251
Seyfert galaxy in the constellation Ursa Minor
Subclasses
1
Blazar
Very compact quasi-stellar radio source
Subject of
17
Spectral Energy Distributions and Multiwavelength Selection of Type 1 Quasars
article by Gordon T. Richards et al published October 2006 in The Astrophysical Journal Supplement Series
The Sloan Digital Sky Survey Quasar Catalog: Fourteenth data release
article by Isabelle Pâris et al published May 2018 in Astronomy and Astrophysics
The Sloan Digital Sky Survey quasar catalog: tenth data release
scientific article published in Astronomy and Astrophysics
The Atacama Cosmology Telescope: Cross-correlation of cosmic microwave background lensing and quasars
scholarly article by Blake D. Sherwin et al published 16 October 2012 in Physical Review D
Evidence of internal rotation and a helical magnetic field in the jet of the quasar NRAO 150
scientific article published in Astronomy and Astrophysics
Multi-Frequency VLBA Polarimetry and the Twin-Jet Quasar 0850+581
article by Evgeniya Kravchenko & Yuri Kovalev published 30 November 2017 in Galaxies
The intrinsic fractions and radio properties of low-ionization broad absorption line quasars
scientific article published in the Astrophysical Journal
Peering through the dust: NuSTAR observations of two FIRST-2MASS red quasars
scientific article published in the Astrophysical Journal
The Co‐Formation of Spheroids and Quasars Traced in their Clustering
scientific article published in the Astrophysical Journal
Origin of Metals around Galaxies. I. Catalogs of Metal-line Absorption Doublets from High-resolution Quasar Spectra
scientific article published in the Astrophysical Journal
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A quasar ( KWAY-zar) is an extremely luminous active galactic nucleus (AGN). It is sometimes known as a quasi-stellar object, abbreviated QSO. The emission from an AGN is powered by accretion onto a supermassive black hole with a mass ranging from millions to tens of billions of solar masses, surrounded by a gaseous accretion disc. Gas in the...

Instance of
astronomical object type
Subclass of
Active galactic nucleus
Part of
Galaxy cluster
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