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- W2053647218 abstract "view Abstract Citations (15) References (17) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Models of Magnetic Stars Trasco, John D. Abstract A first-order approximation for the effect of a magnetic field on the structure of a star is obtained by solving the spherically symmetric problem in which the actual Lorentz force is replaced by its radial component averaged over a spherical shell. The case considered here is that of a small-scale, randomly oriented magnetic field for which the mean square of the field strength can be written as some power of the density. The calculations show that magnetic stars will be cooler and less luminous than nonmagnetic stars of the same mass and that the magnitude of the effects are comparable to those of rotation. Observations indicate that among cool stars (later than A0), those with magnetic fields show an excess in rn and a deficiency in C1 compared with nonmagnetic stars with the same p. In both cases, the departure from the normal value shows a correlation with the maximum observed value of the magnetic field. The effects of magnetic fields as calculated here, as well as those which have been published for rotation, are in general too small to account for these anomalies; whereas blanketing corrections are of the same order as the observed deviations. Publication: The Astrophysical Journal Pub Date: August 1970 DOI: 10.1086/150565 Bibcode: 1970ApJ...161..633T full text sources ADS |" @default.
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- W2053647218 title "Models of Magnetic Stars" @default.
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