A kinematical analysis of NGC 2992

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We present long slit spectroscopy for the [OIII] and H$α$ wavelength ranges along nine different position angles for the Sa Seyfert 1.9 galaxy NGC 2992. Double profiles are present in several regions, suggesting that the gas is not simply following galaxy rotation. A simple kinematical model, which takes into account circular rotation together with a constant radial outflow, seems to be a good approximation to account for the observed kinematics.
Accepted for publication in Astronomy & Astrophysics

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Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/12086

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/astro-ph/9802029
 http://arxiv.org/abs/astro-ph/9802029

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arXiv