activity
20032023
most citedOverview of the SDSS-IV MaNGA Survey: Mapping Nearby Galaxies at Apache Point Observatory

1.7k citations · 8.1k across the 81 of their papers we have counts for

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9 papers · 1 filter

astro-ph2007★ 21 cited

The Host Galaxy and The Extended Emission-Line Region of The Radio Galaxy 3C 79

Hai Fu, Alan Stockton

We present extensive ground-based spectroscopy and HST imaging of 3C79, an FR II radio galaxy associated with a luminous extended emission-line region (EELR). Surface brightness mo…

astro-ph2007★ 21 cited

A Common Origin for Quasar Extended Emission-Line Regions and Their Broad-Line Regions

Hai Fu, Alan Stockton

We present a correlation between the presence of luminous extended emission-line regions (EELRs) and the metallicity of the broad-line regions (BLRs) of low-redshift quasars. The r…

astro-ph2007★ 37 cited

Integral Field Spectroscopy of the Extended Emission-Line Region of 4C 37.43

Hai Fu, Alan Stockton

We present Gemini integral field spectroscopy and Keck II longslit spectroscopy of the extended emission-line region (EELR) around the quasar 4C 37.43. The velocity structure of th…

astro-ph2007★ 31 cited

The Nature of Optical Features in the Inner Region of the 3C48 Host Galaxy

Alan Stockton, Gabriela Canalizo, Hai Fu +1

The well-known quasar 3C48 is the most powerful compact steep-spectrum radio-loud QSO at low redshifts. It also has two unusual optical features within the radius of the radio jet…

astro-ph2006

Integral Field Spectroscopy of Extended Emission-Line Regions around QSOs

Hai Fu, Alan Stockton

Luminous extended emission-line regions (EELRs) on kpc scales surround a substantial fraction of steep-spectrum radio-loud QSOs. Although their existence has been known for over th…

astro-ph2006★ 22 cited

Integral Field Spectroscopy of the Extended Emission-Line Region of 3C 249.1

Hai Fu, Alan Stockton

We present Gemini Multiobject Spectrograph integral field spectroscopy of the extended emission-line region associated with quasar 3C 249.1. The kinematics of the ionized gas measu…