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20002023
most citedThe THESEUS space mission concept: science case, design and expected performances

207 citations · 2.1k across the 47 of their papers we have counts for

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astro-ph.GA2020★ 176 cited

Quasars as standard candles III. Validation of a new sample for cosmological studies

E. Lusso, G. Risaliti, E. Nardini +15

We present a new catalogue of ~2,400 optically selected quasars with spectroscopic redshifts and X-ray observations from either Chandra or XMM-Newton. The sample can be used to inv…