Diamonds in HD 97048

Details Diamonds in HD 97048 Diamonds in HD 97048

2004-09-27

arxiv.org/abs/astro-ph/0409644v1

Astrophys.J. 614 (2004) L129-L132

Astronomy and Astrophysics

Astrophysics

ApJLetter, in press

Scientific paper

10.1086/425867

We present adaptive optics high angular resolution ($\sim0\farcs$1) spectroscopic observations in the 3 $\mu$m region of the Herbig Ae/Be star HD 97048. For the first time, we spatially resolve the emission in the diamond features at 3.43 and 3.53 $\mu$m and in the adjacent continuum. Using both the intensity profiles along the slit and reconstructed two-dimensional images of the object, we derive full-width at half-maximum sizes consistent with the predictions for a circumstellar disk seen pole-on. The diamond emission originates in the inner region ($R \lesssim 15$ AU) of the disk.

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