The interpretation of the emission spectra of the Seyfert 2 galaxy NGC 7130. Determination of the AGN and starburst contributions

Abstract

Detailed modeling of the different regions of NGC 7130 is presented, accounting for its composite nature of AGN and starburst galaxy. Shock waves, created by stellar winds from hot massive stars and by supernova ejecta, are evident in the continuum and line spectra emitted from the clouds. The AGN starburst connection is discussed on the basis of model results, considering in particular the distribution of densities and velocities throughout the galaxy.

arXiv comment36 pages +10 figures PostScript To appear in The Astrophysical Journal

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• A Vigorous Starburst in the SCUBA Galaxy N2 850.4
• Emission line activity in type 2 quasars from the Sloan Digital Sky Survey
• The complex structure of low luminosity AGN : NGC 4579
• The Narrow Line Region of Ark 564
• The complex multi-component outflow of the Seyfert galaxy NGC 7130
• Spectra from the shocked nebulae revealing turbulence near the Galactic Centre
• The merger Seyfert galaxy Arp 220. Line and continuum absorption and emission
• 2-D spectroscopy and modeling of the biconical ionized gas in NGC 4388
• Distribution of the heavy elements throughout the extended narrow line region of the Seyfert galaxy NGC 7212
• The LLAGN in the centre of the Galaxy
• Comparison of dust-to-gas ratios in luminous, ultraluminous, and hyperluminous infrared galaxies