Showing 2003Show all
3 papers · 1 filter
astro-ph2003
Chemical Abundances and Their Relation with PN Morphological Features
A. Mampaso
Results appeared since the last APN meeting on the relation between abundances and PNe morphological features are reviewed here. Statistical analyses of round, elliptical, and bipo…
astro-ph2003
New Results on R Aquarii
D. R. Goncalves, A. Mampaso, S. Navarro +1
The first results on new optical data for R Aquarii (based on observations obtained with the 2.5m INT, the 2.5m NOT and the 3.5m NTT) are presented. The morphology and kinematics o…
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…