A kinematical analysis of NGC 2992

Details A kinematical analysis of NGC 2992 A kinematical analysis of NGC 2992

1998-02-03

arxiv.org/abs/astro-ph/9802029v1

Astronomy and Astrophysics

Astrophysics

Accepted for publication in Astronomy & Astrophysics

Scientific paper

We present long slit spectroscopy for the [OIII] and H$\alpha$ 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.

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