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ALMA’s Acute View of pPNe: Through the Magnifying Glass... and What We Found There
We present recent Atacama Large Millimeter/submillimeter Array (ALMA)-based studies of circumstellar envelopes (CSEs) around Asymptotic Giant Branch (AGB) stars and pre-Planetary Nebulae (pPNe). In only a few years of operation, ALMA is revolutionising the field of AGB-to-PN research by providing un...
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Published in: | Galaxies 2018-09, Vol.6 (3), p.94 |
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creator | Contreras, Carmen Alcolea, Javier Bujarrabal, Valentín Castro-Carrizo, Arancha |
description | We present recent Atacama Large Millimeter/submillimeter Array (ALMA)-based studies of circumstellar envelopes (CSEs) around Asymptotic Giant Branch (AGB) stars and pre-Planetary Nebulae (pPNe). In only a few years of operation, ALMA is revolutionising the field of AGB-to-PN research by providing unprecedentedly detailed information on the complex nebular architecture (at large but also on small scales down to a few ∼10 AU from the centre), dynamics and chemistry of the outflows/envelopes of low-to-intermediate mass stars in their late stages of the evolution. Here, we focus on continuum and molecular line mapping studies with high angular resolution and sensitivity of some objects that are key to understanding the complex PN-shaping process. In particular, we offer (i) a brief summary of ALMA observations of rotating disks in post-AGB objects and (ii) report on ALMA observations of OH 231.8+4.2 providing the most detailed and accurate description of the global nebular structure and kinematics of this iconic object to date. |
doi_str_mv | 10.3390/galaxies6030094 |
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Alcolea, Javier ; Bujarrabal, Valentín ; Castro-Carrizo, Arancha</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-1918f689ca5f1116fc00113beb1a1686df7a15e9d6e3fc7a0b0535a030311de13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Accretion disks</topic><topic>AGB and post-AGB stars</topic><topic>Angular resolution</topic><topic>Astrochemistry</topic><topic>Asymptotic giant branch stars</topic><topic>Binary system</topic><topic>circumstellar matter</topic><topic>Evolution</topic><topic>jets</topic><topic>Kinematics</topic><topic>mass-loss</topic><topic>Nebulae</topic><topic>Object recognition</topic><topic>Organic chemistry</topic><topic>Planetary nebulae</topic><topic>Radio telescopes</topic><topic>Rotating disks</topic><topic>Stellar envelopes</topic><topic>Stellar evolution</topic><topic>Wind</topic><topic>winds and outflows</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Contreras, Carmen</creatorcontrib><creatorcontrib>Alcolea, Javier</creatorcontrib><creatorcontrib>Bujarrabal, Valentín</creatorcontrib><creatorcontrib>Castro-Carrizo, Arancha</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Databases</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Aerospace Database</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Directory of Open Access Journals</collection><jtitle>Galaxies</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Contreras, Carmen</au><au>Alcolea, Javier</au><au>Bujarrabal, Valentín</au><au>Castro-Carrizo, Arancha</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ALMA’s Acute View of pPNe: Through the Magnifying Glass... and What We Found There</atitle><jtitle>Galaxies</jtitle><date>2018-09-01</date><risdate>2018</risdate><volume>6</volume><issue>3</issue><spage>94</spage><pages>94-</pages><issn>2075-4434</issn><eissn>2075-4434</eissn><abstract>We present recent Atacama Large Millimeter/submillimeter Array (ALMA)-based studies of circumstellar envelopes (CSEs) around Asymptotic Giant Branch (AGB) stars and pre-Planetary Nebulae (pPNe). 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subjects | Accretion disks AGB and post-AGB stars Angular resolution Astrochemistry Asymptotic giant branch stars Binary system circumstellar matter Evolution jets Kinematics mass-loss Nebulae Object recognition Organic chemistry Planetary nebulae Radio telescopes Rotating disks Stellar envelopes Stellar evolution Wind winds and outflows |
title | ALMA’s Acute View of pPNe: Through the Magnifying Glass... and What We Found There |
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