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63 papers · 1 filter
Star Formation in Clusters: Subclustering, Cloud Fragmentation and the Origin of the Stellar IMF
Leonardo Testi
We review recent high spatial resolution millimeter continuum and spectral line observations of (proto-)cluster regions. These observations reveal that the mass distribution of pre…
An X-ray and Near-IR spectroscopic analysis of the ULIRG IRAS 05189-2524
P. Severgnini, G. Risaliti, A. Marconi +2
We present new, quasi-simultaneous hard X-ray and near-IR spectra of the ultraluminous infrared galaxy IRAS 05189-2524, and discuss them together with archival and literature data.…
Pulsar wind nebulae in supernova remnants
E. van der Swaluw, A. Achterberg, Y. A. Gallant +1
A spherically symmetric model is presented for the interaction of a pulsar wind with the associated supernova remnant. This results in a pulsar wind nebula whose evolution is coupl…
Singular Isothermal Disks: II. Nonaxisymmetric Bifurcations and Equilibria
Daniele Galli, Frank H. Shu, Gregory Laughlin +1
We review the difficulties of the classical fission and fragmentation hypotheses for the formation of binary and multiple stars. A crucial missing ingredient in previous theoretica…
The black hole mass vs bulge mass relationship in spiral galaxies
A. Marconi, D. Axon, J. Atkinson +15
We describe an on-going HST program aimed at determining the relationship between the nuclear black hole mass and bulge mass in spiral galaxies. We have selected a volume limited s…
Exploring the formation and evolution of massive ellipticals with Extremely Red Objects
A. Cimatti
Extremely Red Objects (EROs) provide the important possibility to shed light on the formation and evolution of the present-day massive ellipticals. On one hand, they allow to selec…