A search for magnetic fields in blue stragglers of M 67

Details A search for magnetic fields in blue stragglers of M 67 A search for magnetic fields in blue stragglers of M 67

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988msngr..53...39m&link_type=abstract

ESO Messenger (ISSN 0722-6691), Sept. 1988, p. 39-42.

Computer Science

1

Blue Stars, Open Clusters, Stellar Evolution, Stellar Magnetic Fields, Hertzsprung-Russell Diagram, Peculiar Stars, Star Formation, Stellar Composition, Stellar Interiors, Stellar Models

Scientific paper

An observational program has been conducted for the blue straggler stars of the galactic cluster M 67, in order to test the hypothesis that they are quasi-homogeneously evolved stars. Abundances have been determined for C, N, and O to ascertain whether they have standard main sequence values or values typical of CN-equilibrium; attention is given to evidence for the presence of two agents that may be responsible for a mixing of the stellar interior, namely rapid rotation and magnetic field. It is concluded that large scale-organized magnetic fields do not appear to be responsible for the blue straggler phenomenon in old open clusters.

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