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20092024
most citedA statistical relation between the X-ray spectral index and Eddington ratio of active galactic nuclei in deep surveys

214 citations · 1.6k across the 43 of their papers we have counts for

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Showing 2011Show all

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astro-ph.CO2011★ 17 cited

Chemical properties in the most distant radio galaxy

Kenta Matsuoka, Tohru Nagao, Roberto Maiolino +2

We present a deep optical spectrum of TN J0924-2201, the most distant radio galaxy at z = 5.19, obtained with FOCAS on the Subaru Telescope. We successfully detect, for the first t…

astro-ph.CO2011★ 8 cited

Spatially Extended [P II]1.188um and [Fe II]1.257um Emission Lines in a Nearby Seyfert Galaxy NGC 1068 Observed with OAO/ISLE

Tetsuya Hashimoto, Tohru Nagao, Kenshi Yanagisawa +2

We present J-band long-slit spectroscopic observation of NGC 1068 classified as a Seyfert 2 galaxy. J-band observations with OAO/ISLE provide clear detection of spatially extended…