Distribution of Elements over the Surface of a Magnetic Star

Details Distribution of Elements over the Surface of a Magnetic Star Distribution of Elements over the Surface of a Magnetic Star

May 1962

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1962natur.194..668j&link_type=abstract

Nature, Volume 194, Issue 4829, pp. 668-669 (1962).

Physics

4

Scientific paper

THE anomalous abundances observed in magnetic stars have been attributed to nuclear processes occurring in hot spots in the surface layers. Induced electric fields set up by changes in the magnetic field with time are assumed to heat the spots and thus provide the reacting particles with sufficiently high energy1. Both in the magnetic stars and in the related spectrum variables the equivalent widths of certain classes of lines show periodic variations with time. On the oblique rotator model this is interpreted as an aspect effect, corresponding to a `patchy' distribution of elements over the stellar surface2. It does not appear easy to account for this uneven distribution on the hypothesis of surface reactions alone.

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