Seyfert galaxy
Seyfert galaxies are one of the two largest groups of active galaxies, along with quasars. They have quasar-like nuclei (very luminous, distant and bright sources of electromagnetic radiation) with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, their host galaxies are clearly detectable. Seyfert galaxies are named after Carl Seyfert, who first described this class in 1943.
primaryTopic
Seyfert galaxy
Seyfert galaxies are one of the two largest groups of active galaxies, along with quasars. They have quasar-like nuclei (very luminous, distant and bright sources of electromagnetic radiation) with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, their host galaxies are clearly detectable. Seyfert galaxies are named after Carl Seyfert, who first described this class in 1943.
has abstract
As galáxias Seyfert, descobert ...... áxias do Universo são Seyfert.
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Galaktyka Seyferta – spiralna ...... tyce Seyferta typu 2 NGC 1068.
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Le galassie di Seyfert sono un ...... Carl Keenan Seyfert nel 1943.
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Les galaxies de Seyfert sont d ...... jets au cours des années 1940.
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Seyfert galaxies are one of th ...... described this class in 1943.
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Seyfert-stelsels zijn een klas ...... 0 en 100 miljoen zonnemassa's.
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Seyfertgalaxien sind Spiral- o ...... tensiv mit ihnen beschäftigte.
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Una galaxia Seyfert es un tipo ...... ermasivo situado en su centro.
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Сейфертовская галактика — спир ...... сс Солнца) в центре галактики.
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مجرة زايفرت (بالإنجليزية: Seyf ...... توي على ثقب أسود فائق الضخامة.
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As galáxias Seyfert, descobert ...... áxias do Universo são Seyfert.
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Galaktyka Seyferta – spiralna ...... o podklasy galaktyk aktywnych.
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Le galassie di Seyfert sono un ...... Carl Keenan Seyfert nel 1943.
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Les galaxies de Seyfert sont d ...... axies de l'univers observable.
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Seyfert galaxies are one of th ...... described this class in 1943.
@en
Seyfert-stelsels zijn een klas ...... 0 en 100 miljoen zonnemassa's.
@nl
Seyfertgalaxien sind Spiral- o ...... tensiv mit ihnen beschäftigte.
@de
Una galaxia Seyfert es un tipo ...... ermasivo situado en su centro.
@es
Сейфертовская галактика — спир ...... сс Солнца) в центре галактики.
@ru
مجرة زايفرت (بالإنجليزية: Seyf ...... توي على ثقب أسود فائق الضخامة.
@ar
label
Galaktyka Seyferta
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Galassia di Seyfert
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Galaxia Seyfert
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Galaxie de Seyfert
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Galáxia Seyfert
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Seyfert galaxy
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Seyfert-stelsel
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Seyfertgalaxie
@de
Сейфертовская галактика
@ru
مجرة زايفرت
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