35 citations · 36 across the 2 of their papers we have counts for
3 papers
astro-ph.GA2009★ 1 cited
Chemical evolution of the galactic bulge: single and double infall models
R. D. D. Costa, W. J. Maciel, A. V. Escudero
Recent work has produced a wealth of data concerning the chemical evolution of the galactic bulge, both for stars and nebulae. Present theoretical models generally adopt a limited…
astro-ph2007★ 35 cited
Chemical evolution of the Small Magellanic Cloud based on planetary nebulae
T. P. Idiart, W. J. Maciel, R. D. D. Costa
We investigate the chemical evolution of the Small Magellanic Cloud (SMC) based on abundance data of planetary nebulae (PNe). The main goal is to investigate the time evolution of…
astro-ph2004
The populations of planetary nebulae in the direction of the Galactic bulge
S. K. Gorny, G. Stasinska, A. V. Escudero +1
We have observed 44 planetary nebulae (PNe) in the direction of the Galactic bulge, and merged our data with published ones. We have distinguished, in the merged sample of 164 PNe,…