3 papers
astro-ph2004
Spectroscopy of Planetary Nebulae in Sextans A and Sextans B
Laura Magrini, Pierre Leisy, Romano L. M. Corradi +3
Sextans A and Sextans B are two dIr galaxies situated in the outskirts of the Local Group (LG), in which both PNe and H II regions have been detected (Jacoby & Lesser 1981, Magrini…
astro-ph2003
The Physical Parameters and Excitation of Jets and Knots in PNe
D. R. Goncalves, A. Mampaso, R. M. L. Corradi +1
We are carrying out a study of the physical parameters and excitation of low-ionization structures (LIS) in planetary nebulae (PNe). Since the optical morphology and kinematics of…
astro-ph1999
Low-ionization structures in planetary nebulae
D. R. Goncalves, R. M. L. Corradi, E. Villaver +2
We present new results of a program aimed at studying the physical properties, origin and evolution of those phenomena which go under the somewhat generic definition of "low-ioniza…