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Magnetic Flux Determination in Late-Type Dwarfs

Published online by Cambridge University Press:  12 April 2016

P. Rίpodas ,
J. Sánchez Almeida ,
R. J. García López  and
M. Collados
P. Rίpodas
Affiliation:
Instituto de Astrofísica de Canarias
J. Sánchez Almeida
Affiliation:
Instituto de Astrofísica de Canarias
R. J. García López
Affiliation:
Instituto de Astrofísica de Canarias
M. Collados
Affiliation:
Instituto de Astrofísica de Canarias Departamento de Astrofísica, Universidad de La Laguna, E-38200 La Laguna, Tenerife, Spain

Abstract

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We present a very preliminary and simplified analysis designed to measure photospheric magnetic fields in late-type stars, using the FeI 5247.06 Å and 5250.22 Å lines. We show how the use of the equivalent widths of the lines and differences in their depth can give a rapid estimation of the magnetic flux.

Type
Part IV Stellar activity
Information
International Astronomical Union Colloquium , Volume 130: The Sun and Cool Stars: activity, magnetism, dynamos , 1991 , pp. 417 - 419
Copyright
Copyright © Springer-Verlag 1991

References

Montesinos, B., Fernández Villacañas, J.L., Jordan, C.: 1991, these ProceedingsGoogle Scholar
Rípodas, P., Sánchez Almeida, J., García López, R.J., Collados, M.: 1990, in Surface Inhomogeneities on Late-Type Stars, Armagh, N. Ireland.Google Scholar
Saar, S.H.: 1990, in The Solar Photosphere, ed. Stenflo, J. O., I.A.U. Symp. 132, Kluwer Academic Publishers, Dordrecht, p. 427 Google Scholar