Variable quasar sample from SDSS
收藏B2FIND2026-04-04 收录
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https://b2find.eudat.eu/dataset/43efc19e-f502-5141-96e5-a3b989ca9ee9
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资源简介：
SDSS repeat spectroscopic observations have resulted in multiepoch spectroscopy for 2500 quasars observed more than 50 days apart. From this sample, calibrating against stars...
