SDSS quasars Balmer emission lines
收藏B2FIND2026-03-19 收录
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https://b2find.eudat.eu/dataset/63ae6b25-d873-5707-9895-6be4d45d034a
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A small fraction of quasars have long been known to show bulk velocity offsets (of a few hundred to thousands of km/s) in the broad Balmer lines with respect to the systemic...
