most citedA note on black hole masses estimated by the second moment in Narrow Line Seyfert 1 Galaxies

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astro-ph2008★ 19 cited

A note on black hole masses estimated by the second moment in Narrow Line Seyfert 1 Galaxies

Wei-Hao Bian, Chen Hu, Qiu-Sheng Gu +1

The second moment of the H emission line is calculated for 329 narrow line Seyfert 1 galaxies (NLS1s) selected from the Sloan Digital Sky Survey (SDSS), which is used to calcula…