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6 papers · 2 filters
The kinematically peculiar cores of the Coma cluster early -- type galaxies NGC 4816 and IC 4051
Doerte Mehlert, Roberto P. Saglia, Ralf Bender +1
The Coma cluster is one of the richest known cluster of galaxies, spanning about 4 dex in density. Hence it is the ideal place to study the structure of galaxies as a function of e…
VCC 144 - a star-bursting dwarf galaxy in the Virgo Cluster
N. Brosch, E. Almoznino, L. Hoffman
We describe results of a multi-spectral study of a blue compact dwarf galaxy in Virgo. The object was observed with broad-band and H imaging, UV observations, and radio synthesi…
Near Infrared Spectra of the Orion Bar
A. Marconi, L. Testi, A. Natta +1
We have used the LONGSP spectrometer on the 1.5-m TIRGO telescope to obtain long slit spectra in the J, H, and K wavelength bands towards two positions along the Orion bar. These d…
Sadco: Hydroacoustic Detection of Super-High Energy Cosmic Neutrinos
L. G. Dedenko, A. V. Furduev, Ya. S. Karlik +4
An attractive technique to explore for super-high-energy cosmic neutrino fluxes, via deep underwater acoustic detection, is discussed. Acoustic signals emitted by the neutrino indu…
Hydrodynamic collimation of YSO jets
Adam Frank, Garrelt Mellema
We present the results of numerical hydrodynamic models for the collimation of outflows from young stellar objects. We show that the presence of a toroidal environment can lead to…
The bipolar structure of the LBV nebula around HR Carinae
K. Weis, W. J. Duschl, D. J. Bomans +2
HR Carinae is one of the few Luminous Blue Variables (LBVs) in the Galaxy. It has a nebula that appears bipolar. We have obtained imaging and high-dispersion, long-slit echelle dat…