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The hidden X-ray Seyfert nucleus in 3C 273: BeppoSAX results 1-gen-1998 Haardt, Francesco; Fossati, G.; Grandi, P.; Celotti, A.; Pian, E.; Ghisellini, G.; Malizia, A.; Maraschi, L.; Paciesas, W.; Raiteri, C. M.; Tagliaferri, G.; Treves, Aldo; Urry, C. M.; Villata, M.; Wagner, S.
HST OBSERVATIONS OF THE HOST GALAXIES OF BL-LACERTAE OBJECTS 1-gen-1999 Urry, C. M.; Falomo, R.; Scarpa, R.; Pesce, J. E.; Treves, Aldo; Giavalisco, M.
Simultaneous X-ray and TeV observations of a rapid flare from markarian 421 1-gen-1999 Maraschi, L; Fossati, G; Tavecchio, E; Chiappetti, L; Celotti, A; Ghisellini, G; Grandi, P; Pian, E; Tagliaferri, G; Treves, Aldo; Breslin, Ac; Buckley, Jh; CARTER LEWIS, Da; Catanese, M; Cawley, Mf; Fegan, Dj; Fegan, S; Finley, J; Gaidos, J; Hall, T; Hillas, Am; Krennrich, F; Lessard, Rw; Masterson, C; Moriarty, P; Quinn, J; Rose, J; Samuelson, F; Weekes, Tc; Urry, Cm; Takahashi, T.
Gravitational lens candidates in the HST survey of BL Lac objects 1-gen-1999 Treves, Aldo; Scarpa, R; Urry, Cm; Falomo, R; Giovannini, G; Pesce, Je; Webster, R; O' DOWD, M.
Polarization measurements of BL Lac objects in the southern hemisphere 1-gen-1999 Treves, Aldo; Pian, E; Palazzi, E; Scaltriti, F; Tommasi, L; Poretti, E.
The HST imaging survey of BL Lac objects 1-gen-1999 Falomo, R; Urry, Cm; Scarpa, R; Pesce, Je; Treves, Aldo
Rapid X-ray variability of the BL Lacertae object PKS 2155-304 1-gen-1999 Zhang, Yh; Celotti, A; Treves, Aldo; Chiappetti, L; Ghisellini, G; Maraschi, L; Pian, E; Tagliaferri, G; Tavecchio, F; Urry, Cm
BeppoSAX observations of the exotic black hole candidate GX 339-4 1-gen-1999 Chiappetti, L.; Haardt, Francesco; Treves, Aldo; Ricci, D.; Santangelo, A.; Mereghetti, S.; Belloni, T.
The Hubble Space Telescope survey of BL Lacertae objects: Gravitational lens candidates and other unusual sources 1-gen-1999 Scarpa, R; Urry, Cm; Falomo, R; Pesce, Je; Webster, R; O'Dowd, M; Treves, Aldo
The zoo of X-ray sources in the Galactic center region: Observations with BeppoSAX 1-gen-1999 Sidoli, L; Mereghetti, S; Israel, Gl; Chiappetti, L; Treves, Aldo; Orlandini, M.
Spectral evolution of PKS 2155-304 observed with BeppoSAX during an active gamma-ray phase 1-gen-1999 Chiappetti, L; Maraschi, L; Tavecchio, F; Celotti, A; Fossati, G; Ghisellini, G; Giommi, P; Pian, E; Tagliaferri, G; Treves, Aldo; Urry, Cm; Zhang, Yh
Correlated variability of Mkn 421 at X-ray and TeV wavelengths on time scales of hours 1-gen-1999 Maraschi, L; Fossati, G; Tavecchio, F; Chiappetti, L; Celotti, A; Ghisellini, G; Grandi, P; Pian, E; Tagliaferri, G; Treves, Aldo; Breslin, Ac; Buckley, Jh; CARTER LEWIS, Da; Catanese, M; Cawley, Mf; Fegan, Dj; Fegan, S; Finley, J; Gaidos, J; Hall, T; Hillas, Am; Krennrich, F; Lessiard, Rw; Masterson, C; Moriarty, P; Quinn, J; Rose, J; Samuelson, F; Weekes, Tc
BROADBAND X-RAY SPECTRA OF THE PERSISTENT BLACK HOLE CANDIDATES LMC X-1 AND LMC X-3 1-gen-2000 Haardt, Francesco; Galli, M. R.; Treves, Aldo
The Hubble Space Telescope survey of BL lacertae objects. I. Surface brightness profiles, magnitudes, and radii of host galaxies 1-gen-2000 Scarpa, R; Urry, Cm; Falomo, R; Pesce, Je; Treves, Aldo
The Hubble Space Telescope survey of BL lacertae objects. II. Host galaxies 1-gen-2000 Urry, Cm; Scarpa, R; O'Dowd, M; Falomo, R; Pesce, Je; Treves, Aldo
The Hubble Space Telescope survey of BL Lacertae objects. III. Morphological properties of low-redshift host galaxies 1-gen-2000 Falomo, R; Scarpa, R; Treves, Aldo; Urry, Cp
X-ray emission of Markarian 421: New clues from its spectral evolution. I. Temporal analysis 1-gen-2000 Fossati, G; Celotti, A; Chiaberge, M; Zhang, Yh; Chiappetti, L; Ghisellini, G; Maraschi, L; Tavecchio, F; Pian, E; Treves, Aldo
Gamma-loud quasars: A view with BeppoSAX 1-gen-2000 Tavecchio, F; Maraschi, L; Ghisellini, G; Celotti, A; Chiappetti, L; Comastri, A; Fossati, G; Grandi, P; Pian, E; Tagliaferri, G; Treves, Aldo; Raiteri, Cm; Sambruna, R; Villata, M.
ISO observations of the BL Lacertae object PKS 2155-304 1-gen-2000 Bertone, E; Tagliaferri, G; Ghisellini, G; Treves, Aldo; Barr, P; Celotti, A; Chiaberge, M; Maraschi, L.
The log N-log S distributions of accreting and cooling isolated neutron stars 1-gen-2000 Popov, Sb; Colpi, M; Prokhorov, Me; Treves, Aldo; Turolla, R.
Mostrati risultati da 1 a 20 di 151
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