Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.184..569p&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 184, Aug. 1978, p. 569-592.
Astronomy and Astrophysics
Astronomy
236
Abundance, Chemical Composition, H Ii Regions, Interstellar Gas, Magellanic Clouds, Argon, Electron Density (Concentration), Galactic Evolution, Gas Density, Gas Ionization, Nebulae, Nitrogen, Tables (Data), Temperature Effects
Scientific paper
The reported investigation had the objective to extend abundance determinations to a larger number of H II regions in the Small Cloud (and a few more in the Large Cloud) in connection with a study regarding the possible occurrence of large-scale abundance gradients analogous to those found in Sc galaxies and in the Galaxy, taking into account also questions concerning the existence of a characteristic abundance pattern representing the entire young population of either cloud. It is found that the laws governing enrichment of the interstellar medium are very similar in the Magellanic Clouds to what they are in the outer parts of Sc galaxies, including the very massive system M101. There is no reason to believe that any special process such as preferential escape of gas has operated to reduce the effective yield in the Magellanic Clouds.
Edmunds Michael G.
Fosbury Robert A. E.
Pagel Bernard E. J.
Webster Louise B.
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