2 papers
astro-ph2003
Polar Ring Galaxies and the Tully-Fisher relation
Magda Arnaboldi, Enrica Iodice, Frederick Bournaud +4
We have investigated the Tully-Fisher relation for Polar Ring Galaxies (PRGs), based on near infrared, optical and HI data available for a sample of these peculiar objects. Many PR…
astro-ph1999
Extragalactic planetary nebulae as mass tracers: biases in the estimate of dynamical quantities
M. Arnaboldi, N. Napolitano, M. Capaccioli
Planetary Nebulae (PNe) are very important kinematical tracers of the outer regions of early-type galaxies, where the integrated light techniques fail. Under ad hoc assumptions, th…