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The top documents tagged [selected quasars]
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SDSS spectra were used with the Hubble law to create a map
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ESO
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Low covering factor of the BLR in weak emission-line quasars Marek Nikołajuk Faculty of Physics Univ. of Białystok, Poland 3rd NCAC Symposium: „Accretion
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LAMSOT 多波段巡天 魏建彦 周宏岩 何香涛 井冈山 2005.04.27
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Low covering factor of the BLR in weak emission-line quasars
32 views