Upper limits on the gas content of southern globular clusters

Details Upper limits on the gas content of southern globular clusters Upper limits on the gas content of southern globular clusters

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...233..553b&link_type=abstract

Astrophysical Journal, Part 1, vol. 233, Oct. 15, 1979, p. 553-557.

Other

24

Globular Clusters, Hydrogen Clouds, Interstellar Gas, Magellanic Clouds, Stellar Evolution, Water Masers, Astronomical Models, Cosmic Dust, Gas Composition, Hydrogen Ions, Hydroxyl Emission, Interstellar Radiation

Scientific paper

Sensitive searches for H I emission and OH maser emission from nine (mostly southern) globular clusters, including some clusters in the Small Magellanic Cloud, are described. No emission was detected. These upper limits, together with others previously published, show that the amount of gas in globulars is much lower than predicted by stellar evolution theory, by the apparent amount of dust in the clusters, and much lower than is required by some models for X-ray emission.

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