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The different faces of transitional discs

Published online by Cambridge University Press:  06 January 2014

M. de Juan Ovelar ,
M. Min ,
C. Dominik ,
C. Thalmann ,
P. Pinilla ,
M. Benisty  and
T. Birnstiel
M. de Juan Ovelar
Affiliation:
Leiden Observatory, Leiden University, 2300RA Leiden, The Netherlands email: mjovelar@strw.leidenuniv.nl
M. Min
Affiliation:
Astronomical Institute Anton Pannekoek, University of Amsterdam, 1090 GE Amsterdam, The Netherlands
C. Dominik
Affiliation:
Astronomical Institute Anton Pannekoek, University of Amsterdam, 1090 GE Amsterdam, The Netherlands Department of Astrophysics/IMAPP, Radboud University Nijmegen, 6500 GL Nijmegen, The Netherlands
C. Thalmann
Affiliation:
Astronomical Institute Anton Pannekoek, University of Amsterdam, 1090 GE Amsterdam, The Netherlands
P. Pinilla
Affiliation:
Institut für Theoretische Astrophysik, Universität Heidelberg, Albert-Ueberle-Straße 2, 69120 Heidelberg, Germany
M. Benisty
Affiliation:
Institut de Planètologie et Astrophysique Grenoble, 414 rue de la Piscine, 38400 st. Martin d'Heres, France
T. Birnstiel
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
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Abstract

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Recent imaging observations of transitional discs have revealed discrepancies between the structure observed at different wavelengths. In some targets, the gap measured using sub-mm observations disappears when observed using near infrared polarimetry, suggesting that the empty region is actually filled with small particles of dust (Dong et al., 2012). Assuming the gapped structure observed in transitional discs is caused by the presence of a planet, we try to explain such discrepancies simulating observations of physical models of disc/planet systems with VLT/SPHERE-ZIMPOL, Subaru/HiCIAO, VLT/VISIR and ALMA.

Keywords

Transition Discs – Protoplanetary discs – (Stars:) circumstellar matter
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S299: Exploring the Formation and Evolution of Planetary Systems , June 2013 , pp. 155 - 156
Copyright
Copyright © International Astronomical Union 2013 

References

Dong, R., Rafikov, R., Zhu, Z., et al. 2012, ApJ, 750, 161CrossRefGoogle Scholar
Min, M., Dullemond, C. P., Dominik, C., Koter, A. D., & Hovenier, J. W. 2009, A&A, 497, 155Google Scholar
Pinilla, P., Benisty, M., & Birnstiel, T. 2012a, A&A, 545, A81Google Scholar
Thalmann, C., Schmid, H. M., Boccaletti, A., et al. 2008, SPIE, Vol. 7014Google Scholar