Abstract
Abundances fluctuations observed in the interstellar medium of gas-rich galaxies are discussed. It is argued that in all gas-rich galaxies, including large spirals, the ISM is less homogenized than expected. Processes to account for the observed amplitudes of abundance fluctuations are reviewed. O/H fluctuations measured in low mass gas-rich galaxies may arise from the loss of enriched material by galactic winds powered by the starburst events, and from the long dormant phase between successive star-forming episodes. Chemical evolutionary models including SNI and differential winds well reproduce the observed C:N:O:He abundances of the dwarf galaxy IZw18. The He/H stellar enrichment in very metal deficient galaxies must be of the order of 0.0005 by mass much lower than the observed dispersion in the Y,Z plane.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Similar content being viewed by others
References
Belley, J., Roy, J.-R., 1992, ApJS, 78, 61
Dufour, R. J. 1986, PASP, 98, 1025
Edmunds, M. G., 1975, ApSS, 32, 483
Edvardsson, B., Andersen, J., Gustafsson, Lambert, D. L., Nissen, P. E., Tomkin, J., 1993, AandA, 275, 101
François, P., Matteucci, F., 1993, AandA, 280, 136
Kunth, D., Sargent, W. L. W., 1983, ApJ, 273, 81
Kunth, D., Sargent, W. L. W., 1986, ApJ, 300, 496
Kunth, D., Mas-Hesse,J.M., 1994, in preparation
Kunth, D., Lequeux, J., Sargent, W. L. W., Viallefond, F., 1994a, AandA, 282, 709
Kunth, D., Matteucci,F., Marconi, G.,1994b,AandA, submitted
Lequeux, J., Maucherat-Joubert, M., Deharveng, J. M., Kunth, D., 1981, AandA, 103, 305
Marconi, G., Matteucci, F., Tosi, M., 1994, M.N.R.A.S. in press
Matteucci, F. 1986, M.N.R.A.S., 221, 911
Matteucci, F., Padovani, P., 1993, Ap. J., 419, 485
Matteucci, F., Tosi M., 1985, M.N.R.A.S., 217, 391
Pagel, B. E. J., Simonson, E. A., Terlevich, R. J., Edmunds, M. G., 1992, MNRAS, 255, 325
Roy, J.-R., Kunth, D., 1995, AandA, in press
Skillman, E. D., Kennicutt, R. C., 1993, ApJ, 411, 655
Weaver T.A., Woosley, S.E. 1995, in preparation
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1995 Springer-Verlag Berlin Heidelberg
About this paper
Cite this paper
Kunth, D., Matteucci, F., Roy, JR. (1995). Mixing of Heavy Elements into the Interstellar Medium of Gas-rich Galaxies: Consequence for the Primordial Helium Determination. In: Crane, P. (eds) The Light Element Abundances. ESO Astrophysics Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-49169-9_16
Download citation
DOI: https://doi.org/10.1007/978-3-540-49169-9_16
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-22501-1
Online ISBN: 978-3-540-49169-9
eBook Packages: Springer Book Archive