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Related papers: Planetary Nebulae in the Magellanic Clouds: Probin…

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The determination of accurate chemical abundances of planetary nebulae (PN) in different galaxies allows us to obtain important constraints of chemical evolution models for these systems. We have a long term program to derive abundances in…

Cosmology and Nongalactic Astrophysics · Physics 2009-04-17 W. J. Maciel , R. D. D. Costa , T. E. P. Idiart

Important problems to which we would like to find answers are: What are the distances to the Large Magellanic Cloud (LMC) and the Small Magellanic Cloud (SMC)? What is the present distribution of stars, gas and dark matter in the Clouds,…

Astrophysics · Physics 2016-08-30 Sidney van den Bergh

We present preliminary results of our deep Australia Telescope Compact Array (ATCA) radio-continuum survey of the Magellanic Clouds Planetary Nebulae.

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Evan J. Crawford , Miroslav D. Filipović , Ivan S. Bojicić , Martin Cohen , Jeff L. Payne , Ain Y. De Horta , Warren Reid

Planetary nebulae (PNe) exist in a range of different morphologies, from very simple and symmetric round shells, to elliptical, bipolar, and even quadrupolar shapes. They present extremely complex ensembles of filaments, knots, ansae, and…

Astrophysics · Physics 2009-10-31 Letizia Stanghellini

Determining the demographics of the Galactic planetary nebula (PN) population is an important goal to further our understanding of this intriguing phase of stellar evolution. The Galactic population has more than doubled in number over the…

Solar and Stellar Astrophysics · Physics 2017-11-15 David J. Frew

This review provides useful background and information on how we find, vet and compile Planetary Nebulae (PNe) candidates and verify them. It presents a summary of the known Galactic PNe population and their curation in the Hong…

Solar and Stellar Astrophysics · Physics 2022-07-07 Quentin A. Parker

The role of planetary nebulae as probes for the galactic chemical evolution is reviewed. Their abundances throughout the Galaxy are discussed for key elements, in particular oxygen and other alpha elements. The abundance distribution…

Astrophysics · Physics 2009-11-11 Roberto D. D. Costa , Walter J. Maciel

Planetary nebulae have been used as tracers of light and kinematics for the stellar populations in early-type galaxies since more than twenty years. Several empirical properties have surfaced: for example the invariant bright cut-off of the…

Astrophysics of Galaxies · Physics 2018-03-14 Magda Arnaboldi

In this review we cover the detection, identification and astrophysical importance of planetary nebulae (PN). The legacy of the historic Perek & Kohoutek and Acker et al. catalogues is briefly covered before highlighting the more recent but…

Astrophysics of Galaxies · Physics 2010-11-04 Quentin A. Parker , David J. Frew

In this contribution I present the main research activities of the IAC ``Stellar Populations in Galaxies'' research Group, with emphasis on the subtopics directly related with the study of the evolution of nearby galaxies. In particular, I…

Astrophysics · Physics 2007-05-23 Carme Gallart

The multi-epoch YJKs sub-arcsecond photometry of the VMC survey provides a long anticipated deep near-infrared (NIR) window into further understanding the stellar populations of the Magellanic Clouds. The first year of observations…

Solar and Stellar Astrophysics · Physics 2015-05-30 B. Miszalski , R. Napiwotzki , M. -R. L. Cioni , M. A. T. Groenewegen , J. M. Oliveira , A. Udalski , J. Nie

Until recently our knowledge of the Galactic Bulge stellar populations was based on the study of a few low extinction windows. Large photometric and spectroscopic surveys are now underway to map large areas of the bulge. They probe several…

Astrophysics of Galaxies · Physics 2012-10-09 Carine Babusiaux

We address the general problem of the luminosity-specific planetary nebula (PN) number, defined as alpha = N(PN)/L(gal), and its relationship with age and metallicity of the parent stellar population. Our analysis relies on population…

Astrophysics · Physics 2009-11-11 A. Buzzoni , M. Arnaboldi , R. L. M. Corradi

Our understanding of planetary nebulae has been significantly enhanced as a result of several recent large surveys (Parker et al., these proceedings). These new discoveries suggest that the `PN phenomenon' is in fact more heterogeneous than…

Astrophysics of Galaxies · Physics 2015-06-04 D. J. Frew , Q. A. Parker

Planetary nebulae (PNe) are valuable spatial and kinematic tracers of nearby galaxies. In this mini-review, I focus on their role in tracing the halo and intra-cluster/intra-group light assembly in groups and clusters of galaxies within…

Astrophysics of Galaxies · Physics 2025-10-29 Johanna Hartke

It is now clear that a binary evolutionary pathway is responsible for a significant fraction of all planetary nebulae, with some authors even going so far as to claim that binarity may be a near requirement for the formation of an…

Solar and Stellar Astrophysics · Physics 2018-12-11 David Jones

Pulsating variable stars can be powerful tools to study the structure, formation and evolution of galaxies. I discuss the role that the Magellanic Clouds' pulsating variables play in our understanding of the whole Magellanic System, in…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-27 Gisella Clementini

The study of the chemical composition of Planetary Nebulae in external galaxies is of paramount importance in the fields of stellar evolution and of the chemical enrichment history of galaxies. In the last years a number of spectroscopic…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Laura Magrini , Letizia Stanghellini , Denise R. Goncalves

The question of what physical mechanisms shape planetary nebulae into their observed morphologies remains open. However, intensified efforts since the last meeting in this series, Asymmetrical Planetary Nebulae IV, in July 2007 have yielded…

Solar and Stellar Astrophysics · Physics 2010-10-20 Orsola De Marco

The Magellanic Clouds are close enough to the Milky Way to provide an excellent environment in which to study extragalactic PNe. Most of these PNe are bright enough to be spectroscopically observed and spatially resolved. With the latest…

Solar and Stellar Astrophysics · Physics 2015-06-03 Warren A. Reid