Analyzing Dust Spectra Of Oxygen-rich Agb Stars Using Spatially Resolved Spectroscopy.

Details Analyzing Dust Spectra Of Oxygen-rich Agb Stars Using Spatially Resolved Spectroscopy. Analyzing Dust Spectra Of Oxygen-rich Agb Stars Using Spatially Resolved Spectroscopy.

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21832204g&link_type=abstract

American Astronomical Society, AAS Meeting #218, #322.04; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We present Gemini/ Michelle observational data of 7 oxygen-rich asymptotic giant branch (AGB) stars. Using spatially resolved spectroscopy, we investigate the changes in infrared (IR) spectral dust features with radial distance from the central star. We compare the results to those expected from the hypothetical dust condensation sequence, stellar pulsation and dust formation. In particular, the spatially resolved spectral features allow us to determine which features are correlated and help us to determine the true dust carrier(s) of observed spectral features around O-rich AGB stars.

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