A preliminary estimation of mass loss rates from stars in globular clusters

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概要

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• The specific mass loss rates for six globular clusters are evaluated. The observed number of the horizontal branch stars in an annulus in globular clusters is extraporated to the whole cluster by using computed King's model of globular clusters. The resultant values of the number of the horizontal branch stars by the modified method are compared with those by the method of Tayler and Wood (1975). They coincide within 15 to 30 percent. We assume that stars on the horizontal branch have lost the mass of 0.2 solar masses and spent 10^8 years on the stage. Deriving the total mass of clusters by the King's model, we have obtained the specific rates of mass loss for six globular clusters. It is seen that the mean value of the specific rates is 12.0xl0^<-20> sec^<-1>.

• 茨城大学教育学部の論文

著者

• Tanaka Y

  Ibaraki Univ. Mito Jpn

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