Fabry Perot Halpha Observations of the Barred Spiral NGC 3367

Details Fabry Perot Halpha Observations of the Barred Spiral NGC 3367 Fabry Perot Halpha Observations of the Barred Spiral NGC 3367

2001-01-22

arxiv.org/abs/astro-ph/0101394v1

Astronomy and Astrophysics

Astrophysics

Accepted to be published in May 2001 issue in the A.J. 19 pages, 7 figures

Scientific paper

10.1086/320379

We report the gross properties of the velocity field of the barred spiral galaxy NGC 3367. The following values were found: inclination with respect to the plane of the sky, i=30 deg; position angle (PA) of receding semi major axis PA=51 and systemic velocity V(sys)=3032 km/s. Large velocity dispersion are observed of upt o 120 km/s in the nuclear region, of up to 70 km/s near the eastern bright sources just beyond the edge of the stellar bar where three spiral arms seem to start and in the western bright sources at about 10 kpc. Deviations from normal circular velocities are observed from all the disk but mainly from the semi circle formed by the string of south western Halpha sources. An estimate of the dynamical mass is M(dyn)=2x10^11 Msolar.

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