An Emission-Line Imaging Survey of Early-Type Seyfert Galaxies. I. The Observations

Details An Emission-Line Imaging Survey of Early-Type Seyfert Galaxies. I. The Observations An Emission-Line Imaging Survey of Early-Type Seyfert Galaxies. I. The Observations

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apjs..102..309m&link_type=abstract

Astrophysical Journal Supplement v.102, p.309

Astronomy and Astrophysics

Astronomy

82

Galaxies: Photometry, Galaxies: Seyfert, Galaxies: Structure

Scientific paper

Flux-calibrated images in the lines of [O III] λ5007 and Hα + [N II] λλ6548, 6583 and the nearby continuum are presented for 57 Seyfert galaxies of early morphological type. This sample includes all known Seyfert galaxies with apparent magnitude m_v_ <= 14.5 and recessional velocity cz < 7000 km s^-1^ in Hubble types E, S0, and S0/a. Images are also presented for an additional 26 galaxies with m_v_ > 14.5, cz > 7000 km s^-1^, and/or an uncertain classification as a Seyfert galaxy. The ratio of the [O III] λ5007 to the Hα + [N II] image has been obtained for each galaxy with extended emission to study the spatial variation of the gaseous excitation. Maps of the V - R color distributions over the galaxies are also presented.

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