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- Centre National de la Recherche ScientifiqueFR493 papers
- National Institute for AstrophysicsIT482 papers
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- University of PaduaIT407 papers
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6 papers · 1 filter
ROSAT HRI observations of radio-loud AGN
M. Gliozzi, W. Brinkmann, S. A. Laurent-Muehleisen +2
We present the results of three ROSAT HRI observations of AGN expected to reside in clusters of galaxies. Although the exposures were truncated by the premature end of the ROSAT mi…
Near-infrared line imaging of the circumnuclear starburst rings in the active galaxies NGC 1097 and NGC 6574
J. K. Kotilainen, J. Reunanen, S. Laine +1
We present high spatial resolution near-infrared broad-band JHK and Br_gamma 2.166 micron and H_2 1-0 S(1) 2.121 micron emission line images of the circumnuclear star formation rin…
Optical imaging of the host galaxies of X-ray selected BL Lacertae objects
R. Falomo, J. K. Kotilainen
We investigate the properties of the host galaxies of X-ray selected (high frequency peaked) BL Lac objects using a large and homogeneous data set of high spatial resolution R-band…
Analytical and numerical properties of Q-balls
Tuomas Multamaki, Iiro Vilja
Stable non-topological solitons, Q-balls, are studied using analytical and numerical methods. Three different physically interesting potentials that support Q-ball solutions are co…
Lemaître-Tolman-Bondi model: fractality, bang time, and Hubble law I. Initial conditions and compatibility of density and velocity laws
Alexander Gromov, Yurij Baryshev, Daniel J Suson +1
We start a systematic study of the Lemaître-Tolman-Bondi (LTB) model as applied to the large scale structure and its evolution. Here we study three possible initial conditions of t…
Broadband Spectral Analysis of PKS 0528+134: A Report on Six Years of EGRET Observations
R. Mukherjee, M. Boettcher, R. C. Hartman +6
The multiwavelength spectra of PKS 0528+134 during six years of observations by EGRET have been analyzed using synchrotron self-Compton (SSC) and external radiation Compton (ERC) m…