post-asymptotic giant branch star (post-AGB) setâre-ye pasâ-šâxe-ye qulân-e nâhamsâvi Fr.: étoile post-asymptotique A star in a short-lived evolutionary stage evolving from the → asymptotic giant branch toward higher → effective temperatures. The majority of low and intermediate mass stars (1 to 8 → solar masses) are believed to pass through this stage on their way to becoming → planetary nebulae. → post-; → asymptotic giant branch. |