Bloated Stars and excess IR

From: Damien Broderick (d.broderick@english.unimelb.edu.au)
Date: Fri Aug 13 1999 - 09:25:06 MDT


>But Livio did find significant telltale evidence that some giant
>stars once possessed giant planets that were then swallowed up.
>The devouring stars release excessive amounts of infrared light,
>spin rapidly, and are polluted with the element lithium.
[...]
>First, according to Livio's calculations, such a star is bigger
>and brighter because it absorbs gravitational energy from the
>orbiting companion. This heats the star so that it puffs off
>expanding shells of dust, which radiate excessive amounts of
>infrared light.

Does this impact on one of Robert Bradbury's presumed anomalies?

Damien Broderick



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