A kinematic and comparative study of three rich HI galaxies in the local volume

SAPONARA, J.; LEFRANC, V.; BENAGLIA, P.; ANDRUCHOW, I.; KORIBALSKI, B.

Mar del Plata

Congreso; 55 Reunion anual de la Asociacion Argentina de Astronomia; 2012

Instituto Argentino de Radioastronmia

The Local Volumen HI Survey (LVHIS www.atnf.csiro.au/research/LVHIS/), this is a proyect with high angular resolution and sensibility, of HI line and 21 cm radio continuous observations, of rich gas galaxies in the local universe. Complemented these by multi-frecuencies.We present in this paper, the comparative result about the dinamics and morphology of three LVHIS galaxies. By the obtained images we have calculated physics and geometrics parameters from each galaxy; like, inclination, HI total mass, star formation rate and the mass-to-light ratio, between other.We determined the global material distribution and we built the velocity field.At the end, we discuss the importance of the star formation rate in each galaxy, and the characteristics that they have in common and differences between them.