Pairs of Bubbles in Planetary Nebulae and Clusters of Galaxies

Details Pairs of Bubbles in Planetary Nebulae and Clusters of Galaxies Pairs of Bubbles in Planetary Nebulae and Clusters of Galaxies

2003-06-30

arxiv.org/abs/astro-ph/0306616v2

Astronomy and Astrophysics

Astrophysics

PASP, in press

Scientific paper

10.1086/379089

I point to an interesting similarity in the morphology and some non-dimensional quantities between pairs of X-ray-deficient bubbles in clusters of galaxies and pairs of optical-deficient bubbles in planetary nebulae (PNs). This similarity leads me to postulate a similar formation mechanism. This postulate is used to strengthen models for PN shaping by jets (or collimated fast winds: CFW). The presence of dense material in the equatorial plane observed in the two classes of bubbles constrains the jets and CFW activity in PNs to occur while the AGB star still blows its dense wind, or very shortly after. I argue that only a stellar companion can account for such jets and CFW.

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