Predicted chemical evolution for spiral disks from their observed rotation curves

Details Predicted chemical evolution for spiral disks from their observed rotation curves Predicted chemical evolution for spiral disks from their observed rotation curves

2004-11-25

arxiv.org/abs/astro-ph/0411690v1

Astronomy and Astrophysics

Astrophysics

II International workshop on science with the GTC: 1st-light instruments

Scientific paper

The rotation curves for a sample of 67 spiral galaxies observed by Marquez et al(2002) have been used as input for the multiphase chemicale volution model. By using N[II]/Halpha as estimator of the oxygen abundance, we constraint the possible models for each galaxy. We may, then, predict the time evolution of these galaxies and the present time radial distribution for gas, stars and star formation surface densities and elemental abundances.

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