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On the stratification of elements in the atmospheres of Globular Cluster and Halo B-stars

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Abstract

A theoretical check is performed to determine for the horizontal-branch stars the zone (in the H-R diagram) in which the surface convection is acting. A possible experimental test of the efficiency of the depletion mechanism is also proposed.

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References

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Authors and Affiliations

  1. Laboratorio di Astrofisica dell' Università di Roma, Frascati (Roma), Italy

    V. Castellani & A. Renzini

Authors
  1. V. Castellani
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  2. A. Renzini
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Additional information

Since RR Lyrae stars have surely extended convective envelopes we expected that at least a part of the ‘blue’ H.B. stars would have surface convection.

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Castellani, V., Renzini, A. On the stratification of elements in the atmospheres of Globular Cluster and Halo B-stars. Astrophys Space Sci 2, 307–309 (1968). https://doi.org/10.1007/BF00650906

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  • DOI: https://doi.org/10.1007/BF00650906

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