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A VLT/X-Shooter study of accretion and photoevaporation in Transitional Disks

  • C. F. Manara (a1), L. Testi (a1) (a2) (a3), A. Natta (a2) (a4), L. Ricci (a5), M. Benisty (a6), G. Rosotti (a3) (a7) and B. Ercolano (a3) (a7)...

Abstract

We present preliminary results of a detailed study of the accretion, stellar, and wind properties of transitional disks (TDs) carried out with the X-Shooter spectrograph. Combining new and archival spectra, we collected a sample of more than 20 TDs from different nearby star-forming regions. Our sample includes objects with both small (<5-15 AU) and large (>20–30 AU) known inner hole size from the literature (either from mm-observations or IR SED fitting). We check their stellar parameters (Teff, L*, AV, M*) and derive their accretion properties (Lacc, acc) in a self-consistent way, which makes use of the wide wavelength coverage of X-Shooter, and study their wind properties by mean of different forbidden emission lines analysis.

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References

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Espaillat, C., D'Alessio, P., Hernandez, J., Nagel, E., et al. 2010, ApJ, 717, 441
Manara, C. F., Testi, L., Rigliaco, E., Alcalà, J. M., et al. 2013, A&A, 551, A107
Manara, C. F., Beccari, G., Da Rio, N., De Marchi, G., et al. 2013, A&A, 558, A114
Merìn, B., Brown, J. M., Oliveira, I., Herczeg, G. J., et al. 2010, ApJ, 718, 1200
Owen, J. E., Clarke, C. J., & Ercolano, B. 2012, MNRAS, 422, 1880
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Keywords

A VLT/X-Shooter study of accretion and photoevaporation in Transitional Disks

  • C. F. Manara (a1), L. Testi (a1) (a2) (a3), A. Natta (a2) (a4), L. Ricci (a5), M. Benisty (a6), G. Rosotti (a3) (a7) and B. Ercolano (a3) (a7)...

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