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astro-ph2000
A continuous low star formation rate in IZw 18 ?
F. Legrand, D. Kunth, J. -R. Roy +2
Deep long-slit spectroscopic observations of the blue compact galaxy IZw 18 obtained with the CFH 3.6 m Telescope are presented. The very low value of oxygen abundance previously r…
astro-ph1999
Chemical evolution of low mass disc galaxies
Mercedes Molla, Jean-Rene Roy
We show that the multiphase chemical evolution model reproduces the correlations obtained along the spiral sequence, dwarf galaxies included. However the apparent spatial chemical…
astro-ph1994
Dispersal and Mixing of Oxygen in the Interstellar Medium of Gas-Rich Galaxies
Jean-Rene ROY, Daniel KUNTH
Stellar and nebular abundance indicators reveal that there exists significant abundance fluctuations in the interstellar medium (ISM) of gas-rich galaxies. It is shown that at the…