Nova-driven winds in globular clusters

Details Nova-driven winds in globular clusters Nova-driven winds in globular clusters

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...222..612s&link_type=abstract

Astrophysical Journal, Part 1, vol. 222, June 1, 1978, p. 612-620.

Astronomy and Astrophysics

Astrophysics

26

Gas Heating, Globular Clusters, Interstellar Gas, Novae, Radiative Heat Transfer, Stellar Winds, Cooling, Dynamic Models, Stellar Envelopes, Stellar Mass Ejection, X Ray Sources

Scientific paper

Recent sensitive searches for H-alpha emission from ionized intracluster gas in globular clusters have set upper limits that conflict with theoretical predictions. It is suggested that nova outbursts heat the gas, producing winds that resolve this discrepancy. The incidence of novae in globular clusters, the conversion of kinetic energy of the nova shell to thermal energy of the intracluster gas, and the characteristics of the resultant winds are discussed. Calculated emission from the nova-driven models does not conflict with any observations to date. Some suggestions are made concerning the most promising approaches for future detection of intracluster gas on the basis of these models. The possible relationship of nova-driven winds to globular cluster X-ray sources is also considered.

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