319 datasets found

Keywords: planetary nebulae

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  • Crystalline silicates around evolved stars

    This is the first paper in a series of three where we present the first comprehensive inventory of solid state emission bands observed in a sample of 17 oxygen-rich...
  • New galactic bulge PNe

    We observed 64 newly identified galactic bulge planetary nebulae in the radio continuum at 3 and 6 cm with the Australia Telescope Compact Array. We present their radio images,...
  • Radio emission from planetary nebulae

    We have analysed the radio fluxes for 264 planetary nebulae for which reliable measurements of fluxes at 1.4 and 5 GHz, and of nebular diameters are available. For many of the...
  • Abundances of HDE 341617

    Detailed atmospheric abundances have been calculated for a sample of A-G supergiant stars with IR fluxes and/or high galactic latitudes. HD 172481 and HD 158616 show clear...
  • Candidate Planetary Nebulae in M 33

    File table1.dat contains the identification number, the coordinates (2000), the H{alpha}+[NII] flux and the [OIII]5007 flux of the PNe detected in Messier 33, with the Isaac...
  • The dust content of planetary nebulae

    This table contains the dust temperatures and dust-to-gas mass ratios derived for a sample of planetary nebulae and the observational data used for these determinations
  • Abundance gradients in planetary nebulae

    Radial abundance gradients of the element ratios O/H, Ne/H, S/H, and Ar/H are determined on the basis of a sample of disk planetary nebulae. The behaviour of the gradients at...
  • PN abundances in five galaxies

    We have collected photometric and spectroscopic data on planetary nebulae (PNe) in 5 galaxies: the Milky Way (bulge), M31 (bulge), M 32, the LMC and the SMC. We have computed...
  • Planetary nebulae abundances

    Long slit spectrophotometry of 13 bipolar planetary nebulae has been used to study their physical and chemical properties. In each nebula, one to seven different spatial regions...
  • Planetary nebulae properties

    We apply a method, described in Gorny et al. (1997, Cat. ), to derive the masses of 125 central stars of planetary nebulae (PN). This method is self-consistent and...
  • Abundance gradients from disk PNs

    A new determination of the radial abundance gradients of O/H, Ne/H, S/H, and Ar/H is made for disk planetary nebulae, (PN), that is, those objects of Peimbert types I, II, and...
  • Chemical abundances of PNe

    All modern determinations of chemical abundances of He/H, O/H, C/H, N/H and Ne/H in 277 galactic Planetary Nebulae have been used to update our knowledge of the chemical...
  • Abundances of non-type I PNe in LMC

    Spectroscopic observations, plasma diagnostics and chemical composition of 15 non-type I planetary nebulae (PNe) in the Large Magellanic Cloud (LMC) are reported. Abundances of...
  • Radio observations of South. PN Candidates

    IRAS sources having IR colours typical of planetary nebulae and located outside the Galactic bulge were observed in the radio continuum at 6cm with the Australian Compact Array...
  • Catalogue of Galactic Planetary Nebulae

    The "Catalogue of Galactic Planetary Nebulae (Version 2000)" appears in Abhandlungen aus der Hamburger Sternwarte, Band XII in the year 2001. It is a continuation of CGPN(1967)...
  • Sixth Catalogue of Galactic Wolf-Rayet Stars

    This dataset consists of three files which reproduce data from three tables in the reference. The first file is a catalog of 159 Population I Galactic Wolf-Rayet Stars. The...
  • H{alpha} emission objects in the southern Milky Way

    The stars reported in James Wray's PhD thesis result from photographic plates taken by Karl Henize in South Africa during 1949-1951 covering the Southern Galactic plane to about...
  • Sakurai's object (V4334 Sgr) in 1996-1998

    The photometric UBV observations of V4334 Sgr during 1996-1998 are presented. V4334 Sgr is the nucleus of a planetary nebula during the last helium flash of the shell source and...
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