Narrow line Seyfert 1 galaxies from SDSS-DR3
收藏B2FIND2026-03-19 收录
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https://b2find.eudat.eu/dataset/810aa50f-3f7e-53c5-bcbc-614648840c3c
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We carried out a systematic search for narrow line Seyfert 1 galaxies (NLS1s) from objects assigned as "QSOs" or "galaxies" in the spectroscopic sample of the Sloan Digital Sky...
