The magnetic field of Zeta Puppis

Details The magnetic field of Zeta Puppis The magnetic field of Zeta Puppis

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...250..300b&link_type=abstract

Astrophysical Journal, Part 1, vol. 250, Nov. 1, 1981, p. 300-305. Research supported by the Natural Sciences and Engineering R

Astronomy and Astrophysics

Astrophysics

28

Line Spectra, Stellar Magnetic Fields, Stellar Mass Ejection, Stellar Rotation, Stellar Spectra, Stellar Winds, Circular Polarization, Magnetic Dipoles, Magnetic Field Configurations, Quadrupoles, Stellar Envelopes

Scientific paper

This paper reports a null magnetic field measurement for the O4ef star Zeta Pup, with sigma approximately equal to 100 gauss. The observations do not eliminate a corotating magnetic wind model for the star because a surface field of over 2 kilogauss could escape detection. However, theoretical arguments do not support the suggestion that Type III P Cygni profiles may result from corotation of the stellar wind. If an expanding envelope is forced into solid body rotation by a global magnetic field, the resultant line profiles are expected to be of Type VI (Be-like) and not Type III.

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