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357 papers · 1 filter
NIR Spectroscopy of Luminous Infrared Galaxies and the Hydrogen Recombination Photon Deficit
J. R. Valdes, S. Berta, A. Bressan +3
We report on near-infrared medium-resolution spectroscopy of a sample of luminous and ultra luminous infrared galaxies (LIRGs-ULIRGs), carried out with SOFI at the ESO 3.5m New Tec…
Iron Fluorescent Line Emission from Young Stellar Objects in the Orion Nebula
M. Tsujimoto, E. D. Feigelson, N. Grosso +5
We present the result of a systematic search for the iron Kalpha fluorescent line at 6.4 keV among 1616 X-ray sources detected by ultra-deep Chandra observations of the Orion Nebul…
A sample of X-ray emitting normal galaxies from the BMW -- HRI Catalogue
M. Tajer, G. Trinchieri, A. Wolter +3
We have obtained a sample of 143 normal galaxies with X-ray luminosity in the range erg s from the cross-correlation of the ROSAT HRI Brera Multi-scale W…
Small-scale systems of galaxies. II. Properties of the NGC 4756 group of galaxies
R. Gruetzbauch, B. Kelm, P. Focardi +3
We present results from a study of the NGC 4756 group which is dominated by the elliptical galaxy NGC 5746. The characteristics of the group are investigated through (a) the detail…
X-ray Observations of the Bright Old Nova V603 Aquilae
K. Mukai, M. Orio
We report on our Chandra and RXTE observations of the bright old nova, V603 Aql, performed in 2001 April, supplemented by our analysis of archival X-ray data on this object. We fin…
Relativistic MHD simulations of pulsar bow-shock nebulae
N. Bucciantini, E. Amato, L. Del Zanna
Pulsar bow-shock nebulae are a class of pulsar wind nebulae (PWNe) that form when the pulsar wind is confined by the ram pressure of the ambient medium, and are usually associated…