Submillimetre photometry of post-asymptotic giant branch stars

Astronomy and Astrophysics – Astronomy

Scientific paper

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Stars: Agb And Post-Agb, Circumstellar Matter, Stars: Mass-Loss, Submillimetre

Scientific paper

Stars in the post-asymptotic giant branch (post-AGB) phase of evolution are surrounded by detached circumstellar envelopes containing dust which emits thermally in the mid- and far-infrared. Here we present 850-μm SCUBA photometry of nine candidate post-AGB stars. All targets are detected at 850μm and we use these fluxes to estimate the envelope dust masses and, by comparison with the 100-μm IRAS fluxes, the dust emissivity index.

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