The SDSS DR5/XMM-Newton quasar survey
收藏B2FIND2026-03-19 收录
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https://b2find.eudat.eu/dataset/2c6b2163-7d0b-530d-b303-dd2ea6cf97a9
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We present a catalog of 792 Fifth Data Release Sloan Digital Sky Survey quasars with optical spectra that have been observed serendipitously in the X-rays with the XMM-Newton....
