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A blazar is an active galactic nucleus (AGN) with a relativistic jet (a jet composed of ionized matter traveling at nearly the speed of light) directed very nearly towards an observer. Relativistic beaming of electromagnetic radiation from the jet makes blazars appear much brighter than they would be if the jet were pointed in a direction away ...
3C 454.3 is a blazar (a type of quasar with a jet oriented toward Earth) located away from the galactic plane.It is one of the brightest gamma ray sources in the sky, [2] and is one of the most luminous astronomical object ever observed, with a maximum absolute magnitude of -31.4. [3]
4C +28.07 is a blazar [1] located in the constellation of Aries. It has a redshift of 1.213 [2] [3] and was first discovered in 1970 as a compact astronomical radio source during an interferometer observation and designated as CTD 20. [4] The radio spectrum of the source is considered flat, making it a flat-spectrum radio quasar.
1ES 1101-232 is an active galactic nucleus of a distant galaxy known as a blazar. [1] It is also a BL Lac object. [2]An X-ray source (catalogued as A 1059-22) was first recorded by Maccagni and colleagues in a 1978 paper; they thought the source arose from a galaxy in the Abell 1146 galaxy cluster, which contained many giant elliptical galaxies. [3]
AO 0235+164 is a BL Lacertae object (BL Lac object) [1] located in the constellation of Aries, 7.5 billion light years from Earth.It has a redshift of 0.94. [2] It was first discovered as an astronomical radio source by astronomers between 1967 and 1970, [3] and formally identified with a red stellar object in 1975. [4]
Markarian 501 (or Mrk 501) is a galaxy with a spectrum extending to the highest energy gamma rays. [4] It is a blazar or BL Lac object, which is an active galactic nucleus with a jet that is shooting towards the Earth.