Spitzer observations of the stellar end-game

Details Spitzer observations of the stellar end-game Spitzer observations of the stellar end-game

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40061e&link_type=abstract

Spitzer Proposal ID #40061

Physics

Scientific paper

We propose to continue our Spitzer observations of the stellar end game - the demise of stars like the Sun. We will observe both carbon- and oxygen-rich examples of this stage of stellar evolution. In the former case we will continue our monitoring of Sakurai's Object as its dust shell continues to cool; we will also monitor the hydrocarbon molecules we discovered in the course of our earlier Spitzer observations of this object, to determine whether the chemistry is recent or 'frozen in'. In addition we will observe the closely-similar RCB stars, in particular those with multiple dust shells, to determine their mass-loss history. In the oxygen-rich case we will observe a 'V838 Mon-like' object in the LMC, and map its light echo.

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