Ministerio de Ciencia, Innovación y Universidades Gobierno de Canarias Universidad de La Laguna CSIC Centro de Excelencia Severo Ochoa

Astrophysics Research Projects

Physic of Stars, Planetary Systems and the Interstellar Medium

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Bipolar Nebulae (P/308613)

ANTONIO MAMPASO

Romano L.M. Corradi, Rebeca Galera Rosillo, David Jones 

J. Drew (Univ. Hertfordshire, UK) y la colaboracion IPHAS (www.iphas.org); R. Greimel (Univ. Graz, Austria); M. Santander-Garcia (OAN, Madrid); D.R. Gonçalves (Obs. Valongo, Brasil); U. Munari (INAF, Italia); L. Sabin (UNAM, México); T. Liimets (Tartu Obs., Estonia); B. Balick (Univ. Washington, EEUU); L. Magrini (Univ. Florencia, Italia); Roger Wesson (ESO); Henri Boffin (ESO); Todd Hillwig (Valparaiso University, EEUU); Brent Miszalski (SALT, Sudafrica)

Introduction

This project has three major objectives: 1) To determine the physico-chemical characteristics of bipolar planetary nebulae and symbiotic nebulae, to help understanding the origin of bipolarity and to test theoretical models, mainly models with binary central stars, aimed at explaining the observed morphology and kinematics. 2) To study the low-ionization microstructures in planetary nebulae, their origin (in the context of the main shell formation), their physico-chemical characteristics, and their interaction with the nebular gas. 3) To discover and study galactic and extragalactic planetary nebulae, analyzing their physico-chemical properties and the metallicity gradients along the galactic discs. 

Milestones

Discovery of a hybrid type Ia supernova consistent with double-degenerate helium shell detonation published in Jian et al. (2017, Nature, 500, 80).

Invited review published in Nature Astronomy (Jones & Boffin 2017, Nat. Astron. 1, 117) on the role of binarity on aspherical PNe formation and shaping.

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