[PDF] Top 20 Galactic kinematics of Planetary Nebulae with [WC] central star
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Galactic kinematics of Planetary Nebulae with [WC] central star
... description of the observations as well as the data reduction proce- dure can be found in Pe˜ na et ...data of a sam- ple of objects from Table 1 (mainly [WR]PNe), were used to derive and analyze the ... See full document
13
The Low Excitation Planetary Nebulae HuDo1 and HuBi1 and their [WC10] Central Stars
... addition, with our spectral resolution these lines are almost blended with (or at least lie in the wing of) the strong C III 5826 and show P Cygni profiles (see ...classification of HuDo 1 and ... See full document
11
Analysis of chemical abundances in planetary nebulae with [WC] central stars I Line intensities and physical conditions
... representative of the low-medium ioniza- tion zone, though their values seems to be more consistent with those determined from high density indicators such as [Cl iii ] and [Ar iv ] line ...]) of ... See full document
84
The San Pedro Mártir Planetary Nebula Kinematic Catalogue: Extragalactic Planetary Nebulae
... function of the oxygen abundance for the planetary nebulae with low resolution ...without star formation are in bold or filled while the symbols for galaxies with ongoing ... See full document
24
The San Pedro Mártir Kinematic Catalogue of Galactic Planetary Nebulae
... catalogue of galactic planetary nebulae pro- vides spatially resolved, long-slit, Echelle spectra for about 600 planetary nebu- ...images with accurate slit positions on the ... See full document
5
Ionization-bounded and Density-bounded Planetary Nebulae
... consistent with NGC 7027 being ionization- bounded in all directions, in agreement with the as- sumption of Zijlstra et ...expansion of the nebula, allow- ing more ionizing photons to escape ... See full document
5
Discovery of New Faint Northern Galactic Planetary Nebulae
... nebula, with a central “chakram”, opposite tubular lobes emerging from an invisible, hot central ...date, with a possibly iden- tified central ...distance of 800 pc to 1 kpc, it ... See full document
11
Kinematic ages of the central stars of planetary nebulae
... similarity of the results of both methods is remarkable, especially considering that Method 2 is probably more accurate than Method ...consists of straightforward calculations of the veloc- ... See full document
7
Using Planetary Nebulae to Probe the Structure of the Galactic Thin Disk
... DISTANCES OF THE PNE The distances of PNe are notoriously uncer- ...proportion of PNe, acquired using trigonometric and spectroscopic parallax, estimates of central star gravity ... See full document
8
What Can We Learn About the Kinematics of Bright Extragalactic Planetary Nebulae?
... reflection of the typical projected outflow velocity of the entire ionized ...both galactic and extragalactic planetary ...agreement with those for our shallow or simulated ... See full document
21
Planetary nebulae and the chemical evolution of the Magellanic Clouds
... metallicities, with consequences on the star formation ...comparison with the Milky Way, the galactic disk nebulae extend to a higher metallicity, up to (O) ' ...lution of the PN ... See full document
11
Near infrared photometry of Galactic planetary nebulae with the VVV Survey
... sample of 579 PNe, 75 are highly ex- tended sources and these will be considered in future papers, and 123 PNe could not be related to any source in the VVV images, perhaps because they have low surface brightness ... See full document
10
Variation of Central Star Masses in Planetary Nebulae with Height above the Galactic Plane
... taken with interferometric and single dish surveys, and these have their own biases in terms of radio fluxes and brightness ...those of Milne [1979] and Milne & Aller [1975; 1982]) tend to ... See full document
6
The Problem with Reddening Distances to Planetary Nebulae
... be of order ∆D/D ∼ 0.3, for in- stance. Similarly, certain of the methods appear to be open to systematic errors as ...characteristics of the neb- ulae (Phillips 2005a), and differences between the ... See full document
11
Cinemática del gas central de galaxias activas cercanas con alma Central gas kinematics of nearby active galaxies with ALMA
... half of active galaxies and in all which are early-type ones (Martini et ...presence of nuclear dust structures and activity in galaxies has also been reported in Sim˜oes Lopes et ...along with the ... See full document
112
Galactic Planetary Nebulae with Wolf-Rayet Nuclei III. Kinematical Analysis of a Large Sample of Nebulae
... these planetary nebulae (hereinafter WRPNe) and their central stars with interesting new ...abundances of WRPNe were not dif- ferent from those of non-WRPNe, except for higher ... See full document
22
An atlas of synthetic line profiles of planetary nebulae
... shape of the profile (single or double peak) and the rel- ative size of the aperture (small square, long slit, whole object) clearly affectes the inferred expansion ...morphology of the nebula, nor ... See full document
10
KINEMATICS OF THE GALACTIC SUPERNOVA REMNANT G206.9+2.3
... subset of objects because optical data complement studies at other wavelengths and allow us to determine the physical and chemical conditions of the SNRs as well as their distances, because of the ... See full document
6
Time variation of the O/H radial gradient in the galactic disk based on planetary nebulae
... agreement with some recent work by Gibson et ...basis of different sets of observational data and theoretical models that the oxygen gradi- ent apparently has remained approximately constant in the ... See full document
11
KINEMATICS OF THE GALACTIC BUBBLE RCW 120
... massive star can be ex- plained as a classical H II ...creation of bubbles is driven by the pressure difference between the ambient ISM and the ionized gas of the H II ...expansion of an H II ... See full document
14
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