J/A+A/280/581ivo://CDS.VizieR/J/A+A/280/581doi:10.26093/cds/vizier.32800581CDSPasquali A.Perinotto M.1999-12-16T15:48:18Z1999-12-16T16:48:12ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frplanetary-nebulaechemical-abundancesAll 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 behavior of Planetary Nebulae, as a whole and in Peimbert's groups. The data have been used to set up the problem of the chemical gradients in the Galaxy from Planetary Nebulae. The Interstellar Medium has been found to be more inhomogeneous in the past epochs of the Galaxy than in the present time.1993A&A...280..581Phttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/280/581CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/280/581https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/280/581http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/280/581https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/280/581https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/280/581http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/280/581GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/A+A/280/581/table1Chemical abundances of the PNe not included in Table 1 of Perinotto (1991ApJS...76..687P)recnoRecord number assigned by the VizieR team. Should Not be used for identification.intNameName of PNecharPKPK number of PNecharl_He/H[ >] Limit flag on He/HcharHe/H? Helium abundances with respect to Hfloatnullableu_He/H[ :] Uncertainty flag on He/HcharO/H? Oxygen abundances with respect to Hfloatnullableu_O/H[ :] Uncertainty flag on O/Hcharl_C/O[ <] Limit flag on N/OcharC/O? Carbon abundances with respect to Oxygenfloatnullableu_C/O[ :] Uncertainty flag on C/Ocharl_N/O[ <] Limit flag on N/OcharN/O? Nitrogen abundances with respect to Oxygenfloatnullableu_N/O[ :] Uncertainty flag on N/OcharNe/O? Neon abundances with respect to Oxygenfloatnullableu_Ne/O[ :] Uncertainty flag on Ne/Ocharr6PK? References in literature.charZ? Z distance from the Galactic Plane from Cahn et al. (1992A&AS...94..399C)pcfloatnullableV(LSR)? Radial velocities from Schneider et al. (1983ApJS...52..399S)km/sfloatnullableJ/A+A/280/581/table2Distances and velocities of PNe with known chemical abundancesNameName of PNecharPKPK number of PNecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.intDistanceDistance calculated from Cahn et al. (1992A&AS...94..399C)pcintV(LSR)? Radial velocities Schneider et al. (1983ApJS...52..399S)km/sfloatnullableJ/A+A/280/581/table3Planetary Nebulae of type IrecnoRecord number assigned by the VizieR team. Should Not be used for identification.intNameName of PNecharPKPK number of PNecharl_He/H[ >] Limit flag on He/HcharHe/H? Helium abundances with respect to Hfloatnullableu_He/H[ :] Uncertainty flag on He/HcharO/H? Oxygen abundances with respect to Hfloatnullableu_O/H[ :] Uncertainty flag on O/Hcharl_C/O[ <] Limit flag on N/OcharC/O? Carbon abundances with respect to Oxygenfloatnullableu_C/O[ :] Uncertainty flag on C/Ocharl_N/O[ <] Limit flag on N/OcharN/O? Nitrogen abundances with respect to Oxygenfloatnullableu_N/O[ :] Uncertainty flag on N/OcharNe/O? Neon abundances with respect to Oxygenfloatnullableu_Ne/O[ :] Uncertainty flag on Ne/Ocharr6PK? References in literature.charZ? Z distance from the Galactic Plane from Cahn et al. (1992A&AS...94..399C)pcfloatnullableV(LSR)? Radial velocities from Schneider et al. (1983ApJS...52..399S)km/sfloatnullableJ/A+A/280/581/table4Planetary Nebulae of type IVu_N/O[ :] Uncertainty flag on N/OcharPKPK number of PNecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.intNameName of PNecharl_He/H[ >] Limit flag on He/HcharHe/H? Helium abundances with respect to Hfloatnullableu_He/H[ :] Uncertainty flag on He/HcharO/H? Oxygen abundances with respect to Hfloatnullableu_O/H[ :] Uncertainty flag on O/Hcharl_C/O[ <] Limit flag on N/OcharC/O? Carbon abundances with respect to Oxygenfloatnullableu_C/O[ :] Uncertainty flag on C/Ocharl_N/O[ <] Limit flag on N/OcharN/O? Nitrogen abundances with respect to OxygenfloatnullableNe/O? Neon abundances with respect to Oxygenfloatnullableu_Ne/O[ :] Uncertainty flag on Ne/Ocharr6PK? References in literature.charZ? Z distance from the Galactic Plane from Cahn et al. (1992A&AS...94..399C)pcfloatnullableV(LSR)? Radial velocities from Schneider et al. (1983ApJS...52..399S)km/sfloatnullableJ/A+A/280/581/refsReferences quoted in tables.RefNoReference numberintrecnoRecord number assigned by the VizieR team. Should Not be used for identification.intTextText of reference, starting with the bibcode when existing.char