The analysis of magnetic field measurements of T Tau

Details The analysis of magnetic field measurements of T Tau The analysis of magnetic field measurements of T Tau

2005-02-17

arxiv.org/abs/astro-ph/0502353v1

Astron.Lett. 31 (2005) 335-339

Astronomy and Astrophysics

Astrophysics

4 figures

Scientific paper

10.1134/1.1922532

It is shown that the existence of hot accretion spots at the surface of T Tau practically has no effect on the accuracy of estimation of its magnetic field strength at photospheric level. We also found that one can interpret results of T Tau's photospheric magnetic field strength measurements carried out via different methods in the frame of the following alternative: 1) if T Tau's inclination angle $i\le 10^\circ,$ then magnetic field of the star may be dipolar with the angle between rotational and magnetic axes is near $85^\circ;$ 2) if it will be found (e.g. from interferometric observations) that $i>10^\circ,$ then magnetic field of T Tau is essentially non-dipolar or/and non-stationary.

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