The narrow, inner CO ring around the magnetic Herbig Ae star, HD 101412

Details The narrow, inner CO ring around the magnetic Herbig Ae star, HD 101412 The narrow, inner CO ring around the magnetic Herbig Ae star, HD 101412

2011-12-28

arxiv.org/abs/1112.6181v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

Accepted as Astronomy and Astrophysics Letter; 4 pages, 5 figures

Scientific paper

We describe and model emission lines in the first overtone band of CO in the magnetic Herbig Ae star HD 101412. High-resolution CRIRES spectra reveal unusually sharp features which suggest the emission is formed in a thin disk centered at 1 AU with a width 0.32 AU or less. A wider disk will not fit the observations. Previous observations have reached similar conclusions, but the crispness of the new material brings the emitting region into sharp focus.

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