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A gas-rich disk around DX Cha

  • A. S. Hales (a1) (a2), I. De Gregorio-Monsalvo (a1) (a3), B. Montesinos (a4), S. Casassus (a1), W. R. F. Dent (a1), C. Eiroa (a1), A. M. Hughes (a1), G. Garay (a1), D. Mardones (a1), F. Ménard (a1), A. Palau (a1), S. Pérez (a1), N. Phillips (a1), J. M. Torrelles (a1) and D. Wilner (a1)...

Abstract

DX Cha (HD 104237) is a southern, optically bright Herbig Ae star with an infrared excess, that is part of a small stellar group younger than 5 Myr. We used the APEX and ASTE submillimeter telescopes in Chile to search for continuum and gas emission around this system. Using LABOCA on APEX we detect strong continuum emission around HD104237-A and system component HD104237-E. Our ASTE spectrum detects a double-peaked 12CO(3-2) line profile towards the system, typical of a rotating disk. The new data are used as constraints with MCFOST to produce a disk model that fits the entire SED as well as the observed CO line profile.

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References

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A gas-rich disk around DX Cha

  • A. S. Hales (a1) (a2), I. De Gregorio-Monsalvo (a1) (a3), B. Montesinos (a4), S. Casassus (a1), W. R. F. Dent (a1), C. Eiroa (a1), A. M. Hughes (a1), G. Garay (a1), D. Mardones (a1), F. Ménard (a1), A. Palau (a1), S. Pérez (a1), N. Phillips (a1), J. M. Torrelles (a1) and D. Wilner (a1)...

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