Astrophysics and Space Science

, Volume 355, Issue 1, pp 105–116 | Cite as

Study of the inner disk of the Herbig star MWC480

  • N. Jamialahmadi
  • B. Lopez
  • P. Berio
  • S. Flament
  • A. Spang
Original Article
Part of the following topical collections:
  1. Herbig Ae/Be stars

Abstract

The inner structure and properties (temperature, mass) of the circumstellar disk of Herbig star MWC480 are studied by stellar interferometry method used in the infrared and are interpreted using semi-analytical models. From these models, the SED (Spectral Energy Distribution) was fitted and multi-wavelength intensity map of the source were calculated. The intensity map provides the input for modeling the Keck Interferometer (KI) data in the near-infrared (near-IR) and the data of Very Large Telescope Interferometer (VLTI) with the mid-infrared instrument MIDI. We conclude that with our limited set of data, we can fit the SED, the Keck visibilities and the MIDI visibilities using a two-components disk model. Furthermore, we suspect that MWC480 has a transitional dusty disk. However, we need more MIDI observations with different baseline orientations to confirm our modeling.

Keywords

Circumstellar dust Planetary system Star: MWC480 Techniques: interferometric 

Notes

Acknowledgements

The MIDI observation of this work has been obtained by Di Folco et al. in 2007. Authors want to thank A. Matter and A. Meilland for useful exchanges.

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • N. Jamialahmadi
    • 1
  • B. Lopez
    • 1
  • P. Berio
    • 1
  • S. Flament
    • 1
  • A. Spang
    • 1
  1. 1.Laboratoire D.-L. LagrangeUMR 7293 UNS-CNRS-OCANice Cedex 4France

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