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41 papers · 1 filter
Geometric approach to Hamiltonian dynamics and statistical mechanics
Lapo Casetti, Marco Pettini, E. G. D. Cohen
This paper is a review of results which have been recently obtained by applying mathematical concepts drawn, in particular, from differential geometry and topology, to the physics…
Silicate Emission in T Tauri Stars: Evidence for Disk Atmospheres?
Antonella Natta, Michael R. Meyer, Steven V. W. Beckwith
We present low-resolution mid-infrared spectra of nine classical T Tauri stars associated with the Chamaeleon I dark cloud. The data were obtained with the PHOT-S instrument on-boa…
CMB Anisotropies due to Feedback-Regulated Inhomogeneous Reionization
M. Bruscoli, A. Ferrara, R. Fabbri +1
We calculate the secondary anisotropies in the CMB produced by inhomogeneous reionization from simulations in which the effects of radiative and stellar feedback effects on galaxy…
Neutron Stars in Supernova Remnants
Franco Pacini
I briefly summarize some facts and ideas concerning the presence of neutron stars in Supernova remnants. While sources similar to the Crab Nebula require the presence of a central…
Properties of the Non-Thermal Emission in Plerions
Rino Bandiera
The synchrotron emission observed in plerions depends on the characteristics of the magnetic fields and relativistic electrons in these supernova remnants. Therefore an analysis of…
1.65 micrometers (H-band) surface photometry of galaxies. III: observations of 558 galaxies with the TIRGO 1.5m telescope
G. Gavazzi, P. Franzetti, M. Scodeggio +5
We present near-infrared H-band (1.65 micron) surface photometry of 558 galaxies in the Coma Supercluster and in the Virgo cluster. This data set, obtained with the Arcetri NICMOS3…