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The large scale magnetic field of the G0 dwarf HD 206860 (HN Peg)

Published online by Cambridge University Press:  07 August 2014

Sudeshna Boro Saikia
Affiliation:
Institut für Astrophysik, Universität Göttingen Friedrich Hund Platz 1, 37077, GöttingenGermany email: sudeshna@astro.physik.uni-goettingen.de, jeffers@astro.physik.uni-goettingen.de, Ansgar.Reiners@phys.uni-goettingen.de
Sandra V. Jeffers
Affiliation:
Institut für Astrophysik, Universität Göttingen Friedrich Hund Platz 1, 37077, GöttingenGermany email: sudeshna@astro.physik.uni-goettingen.de, jeffers@astro.physik.uni-goettingen.de, Ansgar.Reiners@phys.uni-goettingen.de
Pascal Petit
Affiliation:
CNRS, Institut de Recherche en Astrophysique et Planétologie 14 Avenue Edouard Belin, F-31400 Toulouse, France email: ppetit@irap.omp.eu
Stephen Marsden
Affiliation:
Faculty of Sciences, University of Southern Queensland Toowoomba 4350, Australia email: Stephen.Marsden@usq.edu.au
Julien Morin
Affiliation:
Institut für Astrophysik, Universität Göttingen Friedrich Hund Platz 1, 37077, GöttingenGermany email: sudeshna@astro.physik.uni-goettingen.de, jeffers@astro.physik.uni-goettingen.de, Ansgar.Reiners@phys.uni-goettingen.de
Ansgar Reiners
Affiliation:
Institut für Astrophysik, Universität Göttingen Friedrich Hund Platz 1, 37077, GöttingenGermany email: sudeshna@astro.physik.uni-goettingen.de, jeffers@astro.physik.uni-goettingen.de, Ansgar.Reiners@phys.uni-goettingen.de
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Abstract

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HD 206860 is a young planet (HN Peg b) hosting star of spectral type G0V and it has a potential debris disk around it. In this work we measure the longitudinal magnetic field of HD 206860 using spectropolarimetric data and we measure the chromospheric activity using Ca II H&K, H-alpha and Ca II infrared triplet lines.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2014 

References

Baliunas, S. L., Horne, J. H., Porter, A., Duncan, D. K., Frazer, J., Lanning, H., Misch, A., Mueller, J., Noyes, R. W., Soyumer, D., Vaughan, A. H., & Woodard, L. 1985, ApJ, 294, 310CrossRefGoogle Scholar
Morgenthaler, A., Petit, P., Saar, S., Solanki, S. K., Morin, J., Marsden, S. C., Aurière, M., Dintrans, B., Fares, R., Gastine, T., Lanoux, J., Lignières, F., Paletou, F., Ramírez Vélez, J. C., Théado, S., & Van Grootel, V. 2012, A&A, 540, 138Google Scholar
Donati, J. F., Semel, M., Carter, B. D., Rees, D. E. & Collier Cameron, A. 1997, MNRAS, 291, 658CrossRefGoogle Scholar
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The large scale magnetic field of the G0 dwarf HD 206860 (HN Peg)
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