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397 papers · 1 filter
High-excitation OH and H_2O lines in Markarian 231: the molecular signatures of compact far-infrared continuum sources
Eduardo González-Alfonso, Howard A. Smith, Matthew L. N. Ashby +3
The ISO/LWS far-infrared spectrum of the ultraluminous galaxy Mkn 231 shows OH and H_2O lines in absorption from energy levels up to 300 K above the ground state, and emission in t…
Near-Infrared observations of the type Ib Supernova SN2006jc: evidence of interactions with dust
E. Di Carlo, C. Corsi, A. A. Arkharov +6
In the framework of a program for the monitoring of Supernovae in the Near-Infrared (NIR) carried out by the Teramo, Rome and Pulkovo observatories with the AZT-24 telescope, we ob…
On the Simbol-X capability of detecting red/blue-shifted emission and absorption Fe K lines
F. Tombesi, M. Cappi, G. Ponti +2
The detection of red/blue-shifted iron lines in the spectra of astronomical X-ray sources is of great importance, as it allows to trace the environment around compact objects, like…
Asiago eclipsing binaries program. II. V505 Per
L. Tomasella, U. Munari, A. Siviero +4
The orbit and fundamental physical parameters of the double-lined eclipsing binary V505 Per are derived by means of Echelle high resolution, high S/N spectroscopy and B, V photomet…
The Optical-Radio Mapping: the kinetic efficiency of Radio-Loud AGNs
Francesco Shankar, Alfonso Cavaliere, Michele Cirasuolo +1
We constrain the mean kinetic efficiency of radio-loud active galactic nuclei by using an optically selected sample for which both the optical and the radio luminosity functions (L…
Outflows and winds in AGNs: a case for Simbol-X
M. Cappi, F. Tombesi, M. Giustini
Chandra and XMM-Newton X-ray observations are accumulating evidence for massive, high velocity outflows in Seyfert galaxies and quasars, most likely originating very close to the c…