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Post-AGB Objects as a Phase of Stellar Evolution
Preface. Acknowledgements. Organizing Committees. List of Participants. Conference Photo. Introductory Review. Photo-planetary Nebulae as a Phase of Stellar Evolution S. Kwok. Part I: Surveys and
Angular dimensions of planetary nebulae
We have measured angular dimensions of 312 planetary nebulae from their images obtained in H α (or H α  + [NII]). We have applied three methods of measurements: direct measurements at the 10% level
Abundances in the Galactic bulge: results from planetary nebulae and giant stars
Context. Our understanding of the chemical evolution (CE) of the Galactic bulge requires the determination of abundances in large samples of giant stars and planetary nebulae (PNe). Studies based on
The populations of planetary nebulae in the direction of the Galactic bulge - Chemical abundances and Wolf-Rayet central stars
Departamento de Astronomia, Instituto de Astronomia, Geof´isica e Cieˆncias Atmosfe´ricas da USP, Rua do Mata˜o 1226,05508-090, Sa˜o Paulo, BrazilReceived ???; accepted ???Abstract. We have observed
V4332 Sagittarii revisited
The eruption of V4332 Sgr discovered in February 1994 shows striking similarities to that of V838 Mon started in January 2002. The nature of these eruptions is, however, enigmatic and unclear. We
Planetary nebulae in the direction of the Galactic bulge: On nebulae with emission-line central stars ⋆,⋆⋆
Aims. We present a homogeneous set of spectroscopic measurements secured with 4-m class telescopes for a sample of 90 planetary nebulae (PNe) located in the direction of the Galactic bulge. Methods.
Planetary nebulae with emission-line central stars
Received ; accepted Abstract. The kinematic structure of a sample of planetary nebulae, consisting of 23 (WR) central stars, 21 weak emission line stars (wels) and 57 non-emission line central stars,
An atlas of images of Planetary Nebulae
A catalogue of narrowband CCD images of 100 southern and 1 northern Planetary Nebulae is presented. The data are images taken in the light of the H α , H β , [OIII]500.7 nm, and [NII]658.4 nm lines.
Infrared properties of planetary nebulae with (WR) central stars
We have gathered from the literature near and mid infrared (photometric and spectroscopic) data for Galactic planetary nebulae, with special attention to planetary nebulae surrounding Wolf-Rayet type
Statistics of planetary nebulae with [WR] central stars
The status of planetary nebulae with Wolf-Rayet type central stars([WR] PN) remains one of the most important problems inthe investigation of planetary nebulae. We cannot claim to understand