activity
19982008
most citedSteps Toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. XVI. A Thirteen-Year Study of Spectral Variability in NGC 5548

201 citations · 401 across the 10 of their papers we have counts for

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Showing 2008Show all

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astro-ph2008★ 14 cited

New active galactic nuclei detected in ROSAT All Sky Survey galaxies - The complete dataset

W. Kollatschny, R. Kotulla, W. Pietsch +2

The ROSAT ALL Sky Survey Bright Source Catalogue (RASS-BSC) has been correlated with the Catalogue of Principal Galaxies (PGC) to identify new extragalactic counterparts. 550 relia…