48 citations · 219 across the 21 of their papers we have counts for
21 papers
Recalibration of the H surface brightness-radius relation for planetary nebulae using Gaia DR3: new distances and the Milky Way oxygen radial gradient
Oscar Cavichia, Hektor Monteiro, Miguel Cerviño +3
The spatial distribution of chemical elements in the Galactic disk provides key constraints on models of galaxy evolution. However, studies using planetary nebulae (PNe) as tracers…
The case of NGC 6302: The impact of shocks in the derivation of Nitrogen abundances
P. J. A. Lago, R. D. D. Costa, M. Faúndez-Abans +1
High nitrogen abundance is characteristic of Type I planetary nebulae as well as their highly filamentary structure. In the present work we test the hypothesis of shocks as a relev…
The population of planetary nebulae near the Galactic centre: chemical abundances
O. Cavichia, R. D. D. Costa, W. J. Maciel +1
Planetary nebulae (PNe) constitute an important tool to study the chemical evolution of the Milky Way and other galaxies, probing the nucleosynthesis processes, abundance gradients…
Chemical abundances of photoionized nebulae in the Local Group
W. J. Maciel, R. D. D. Costa, O. Cavichia
Photoionized nebulae comprise basically HII regions and planetary nebulae, and their abundances give important clues on the nucleosynthesis and chemical evolution of their host gal…
Improving the determination of chemical abundances in planetary nebulae
O. Cavichia, R. D. D. Costa, W. J. Maciel +1
Planetary nebulae are the products of the evolution of low and intermediate mass stars. The chemical property studies of these objects give important information about the elementa…
The evolution of the radial gradient of Oxygen abundance in spiral galaxies
M. Mollá, A. I. Díaz, Y. Ascasibar +4
The aim of this work is to present our new series of chemical evolution models computed for spiral and low mass galaxies of different total masses and star formation efficiencies.…