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Article: Kinematical Properties of Planetary Nebulae with WR-type Nuclei

TitleKinematical Properties of Planetary Nebulae with WR-type Nuclei
Authors
KeywordsAstrophysics - Solar and Stellar Astrophysics
Astrophysics - Astrophysics of Galaxies
Issue Date2014
Citation
ArXiv e-prints, 2014, v. 1411, p. 3253-3253 How to Cite?
AbstractWe have carried out integral field unit (IFU) spectroscopy of H$\alpha$, [N II] and [O III] emission lines for a sample of Galactic planetary nebulae (PNe) with Wolf-Rayet (WR) stars and weak emission-line stars (wels). Comparing their spatially-resolved kinematic observations with morpho-kinematic models allowed us to disentangle their three-dimensional gaseous structures. Our results indicate that these PNe have axisymmetric morphologies, either bipolar or elliptical. In many cases the associated kinematic maps for the PNe around hot central stars also reveal the presence of so-called fast low-ionization emission regions.
Persistent Identifierhttp://hdl.handle.net/10722/211192

 

DC FieldValueLanguage
dc.contributor.authorDanehkar, A-
dc.contributor.authorSteffen, W-
dc.contributor.authorParker, QA-
dc.date.accessioned2015-07-08T03:22:51Z-
dc.date.available2015-07-08T03:22:51Z-
dc.date.issued2014-
dc.identifier.citationArXiv e-prints, 2014, v. 1411, p. 3253-3253-
dc.identifier.urihttp://hdl.handle.net/10722/211192-
dc.description.abstractWe have carried out integral field unit (IFU) spectroscopy of H$\alpha$, [N II] and [O III] emission lines for a sample of Galactic planetary nebulae (PNe) with Wolf-Rayet (WR) stars and weak emission-line stars (wels). Comparing their spatially-resolved kinematic observations with morpho-kinematic models allowed us to disentangle their three-dimensional gaseous structures. Our results indicate that these PNe have axisymmetric morphologies, either bipolar or elliptical. In many cases the associated kinematic maps for the PNe around hot central stars also reveal the presence of so-called fast low-ionization emission regions.-
dc.languageeng-
dc.relation.ispartofArXiv e-prints-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectAstrophysics - Solar and Stellar Astrophysics-
dc.subjectAstrophysics - Astrophysics of Galaxies-
dc.titleKinematical Properties of Planetary Nebulae with WR-type Nuclei-
dc.typeArticle-
dc.identifier.emailParker, QA: quentinp@hku.hk-
dc.identifier.authorityParker, QA=rp02017-
dc.description.naturepostprint-
dc.identifier.volume1411-
dc.identifier.spage3253-
dc.identifier.epage3253-

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