'Pne' diaporamas de présentation

nigel douglas university of groningen

measuring kinematics in elliptical galaxies. nigel douglas university of groningen. (spiral) galaxy dynamics. neutral gas (stars, H II regions). Braun 2002. rotation curve decomposition. RotCurve (cwru.edu). early-type galaxy dynamics. stellar spectroscopy. Statler et al 99.

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Magellanic Cloud planetary nebulae as probes of stellar evolution and populations

Magellanic Cloud planetary nebulae as probes of stellar evolution and populations. Letizia Stanghellini. Magellanic Cloud PNe. The known distances, low field reddening, relative proximity, and metallicity range make them Absolute probes of post-AGB evolution

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The Census of Planetary Nebulae in the Local Group

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Planetary Nebula Research with Hexabundles

Planetary Nebula Research with Hexabundles. Warren Reid,Quentin Parker & David Frew Macquarie University / AAO / Perth Obs. Sydney, Australia 24 November, 2008. Topics Covered. Brief background to PN & their importance What we can we measure from PNe spectra

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Do planetary nebulae indicate a lack of dark matter in elliptical galaxies?

Do planetary nebulae indicate a lack of dark matter in elliptical galaxies?. Are PNe in ellipticals young ?. with Avishai DEKEL ( HU, Jerusalem ), Felix STOEHR ( IAP, Paris ), TJ COX ( Harvard ), Greg NOVAK & Joel PRIMACK ( UC Santa Cruz ) Nature , accepted, astro-ph/0501622. and

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Multiple, Coeval and Hubble-like bipolar outflows

Multiple, Coeval and Hubble-like bipolar outflows. Romano L.M. Corradi. Isaac Newton Group of Telescopes La Palma, Spain. polar jets. outer lobes. inner lobes. He 2-104. Corradi et al. 2001 ApJ 553, 221. HST [NII] May 1999. Spatiokinematical modelling.

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A SEARCH FOR BINARIES IN PROTO-PNe

A SEARCH FOR BINARIES IN PROTO-PNe. (LOOKING FOR THE DIRECT EVIDENCE). Bruce J. Hrivnak (Valparaiso University, USA ). Motivation How to detect Radial velocity study Results Implications. APN4: (La Palma June 2007). 1. INTRODUCTION: Why search for binaries in PPNe?

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Do post-common envelope objects form a distinct subset of PNe?

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Abundances in Asymmetric PNe: confrontation to AGB models

Abundances in Asymmetric PNe: confrontation to AGB models. Letizia Stanghellini, NOAO Special thanks:

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Dynamics of the elliptical galaxy NGC 4697 from integrated light and PNe

Dynamics of the elliptical galaxy NGC 4697 from integrated light and PNe. Niranjan Sambhus , Flavio De Lorenzi, Ortwin Gerhard (Basel). Science Issues:. internal dynamics of normal ellipticals, extended to outer regions content and distribution of dark matter in halos of such galaxies

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The revised distance to NGC 55

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