A Physical Limit to the Magnetic Fields of T Tauri Stars
Pedro N. Safier
Abstract
Recent estimates of magnetic field strengths in T Tauri stars yield values B=1--4\, kG. In this paper, I present an upper limit to the photospheric values of B by computing the equipartition values for different surface gravities and effective temperatures. The values of B derived from the observations exceed this limit, and I examine the possible causes for this discrepancy.
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