Results 1-20 of 48 (Search time: 0.022 seconds).

Issue DateTitleAuthor(s)Fulltext
12017AGNs with discordant optical and X-ray classification are not a physical family: diverse origin in two AGNsOrdovás-Pascual, I.; Mateos, S.; Carrera, F. J.; Wiersema, K.; Barcons, X.; BRAITO, Valentina ; CACCIANIGA, Alessandro ; Del Moro, A.; DELLA CECA, Roberto ; SEVERGNINI, Paola open
22022The central engine of the highest redshift blazarBELLADITTA, SILVIA ; CACCIANIGA, Alessandro ; Alessandro Diana; MORETTI, Alberto ; SEVERGNINI, Paola ; Marco Pedani; CASSARA, LETIZIA PASQUA ; SPINGOLA, CRISTIANA ; IGHINA, LUCA ; ROSSI, Andrea ; DELLA CECA, Roberto open
32016Compact steep-spectrum sources as the parent population of flat-spectrum radio-loud narrow-line Seyfert 1 galaxiesBerton, M.; CACCIANIGA, Alessandro ; FOSCHINI, LUIGI ; Peterson, B. M.; Mathur, S.; Terreran, G.; Ciroi, S.; Congiu, E.; Cracco, V.; Frezzato, M.; La Mura, G.; Rafanelli, P.open
42022Direct observation of an extended X-ray jet at z = 6.1IGHINA, LUCA ; MORETTI, Alberto ; TAVECCHIO, Fabrizio ; CACCIANIGA, Alessandro ; BELLADITTA, SILVIA ; DALLACASA, DANIELE ; DELLA CECA, Roberto ; Sbarrato, Tullia ; SPINGOLA, CRISTIANA open
52019Evidence for a clumpy disc-wind in the star-forming Seyfert 2 galaxy MCG-03-58-007Matzeu, G. A.; BRAITO, Valentina ; Reeves, J. N.; SEVERGNINI, Paola ; Ballo, L.; CACCIANIGA, Alessandro ; CAMPANA, Sergio ; Cicone, C.; DELLA CECA, Roberto ; Parker, M. L.; Santos-Lleó, M.; Schartel, N.open
62022The evolution of the heaviest super-massive black-holes in jetted AGNsAlessandro Diana; CACCIANIGA, Alessandro ; MORETTI, Alberto ; IGHINA, LUCA ; BELLADITTA, SILVIA ; DELLA CECA, Roberto open
72015Exploring the active galactic nuclei population with extreme X-ray-to-optical flux ratios (fx/fo > 50)DELLA CECA, Roberto ; Carrera, F. J.; CACCIANIGA, Alessandro ; SEVERGNINI, Paola ; Ballo, L.; BRAITO, Valentina ; Corral, A.; Del Moro, A.; Mateos, S.; Ruiz, A.; Watson, M. G.open
82019An extremely X--ray weak blazar at z=5Belladitta, S.; MORETTI, Alberto ; CACCIANIGA, Alessandro ; GHISELLINI, Gabriele ; Cicone, C.; Sbarrato, T.; Ighina, L.; Pedani, M.open
92020The first blazar observed at z>6Belladitta, S.; MORETTI, Alberto ; CACCIANIGA, Alessandro ; Spingola, C.; SEVERGNINI, Paola ; DELLA CECA, Roberto ; GHISELLINI, Gabriele ; DALLACASA, DANIELE ; Sbarrato, Tullia ; Cicone, C.; CASSARA, LETIZIA PASQUA ; Pedani, M.open
102021The Impact of the CMB on the Evolution of high-z BlazarsIghina, L.; CACCIANIGA, Alessandro ; MORETTI, Alberto ; Belladitta, S.; DELLA CECA, Roberto ; Diana, A.open
112019The Interacting Late-type Host Galaxy of the Radio-loud Narrow-line Seyfert 1 IRAS 20181-2244Berton, M.; Congiu, E.; Ciroi, S.; Komossa, S.; Frezzato, M.; Di Mille, F.; Antón, S.; Antonucci, R.; CACCIANIGA, Alessandro ; Coppi, P.; Järvelä, E.; Kotilainen, J.; Lähteenmäki, A.; Mathur, S.; Chen, S.; Cracco, V.; La Mura, G.; Rafanelli, P.open
122017Kiloparsec-scale emission in the narrow-line Seyfert 1 galaxy Mrk 783Congiu, E.; Berton, M.; GIROLETTI, MARCELLO ; Antonucci, R.; CACCIANIGA, Alessandro ; Kharb, P.; Lister, M. L.; FOSCHINI, LUIGI ; Ciroi, S.; Cracco, V.; Frezzato, M.; Järvelä, E.; La Mura, G.; Richards, J. L.; Rafanelli, P.open
132015Mining the XRT archive to probe the X-ray absorber structure in the AGN populationBALLO, Lucia; SEVERGNINI, Paola ; MORETTI, Alberto ; DELLA CECA, Roberto ; ANDREON, Stefano ; BRAITO, Valentina ; CACCIANIGA, Alessandro ; CAMPANA, Sergio ; VIGNALI, CRISTIANopen
142021Minute-timescale Variability in the X-ray Emission of the Highest Redshift BlazarMORETTI, Alberto ; GHISELLINI, Gabriele ; CACCIANIGA, Alessandro ; BELLADITTA, SILVIA ; DELLA CECA, Roberto ; IGHINA, LUCA ; Sbarrato, Tullia ; SEVERGNINI, Paola ; SPINGOLA, CRISTIANA open
152018A new jet/outflow maser in the nucleus of the Compton-thick AGN IRAS 15480-0344Castangia, P. ; Tarchi, A. ; CACCIANIGA, Alessandro ; SEVERGNINI, Paola ; Surcis, Gabriele ; DELLA CECA, Roberto open
162018A new powerful and highly variable disc wind in an AGN-star-forming galaxy, the case of MCG-03-58-007BRAITO, Valentina ; Reeves, J. N.; Matzeu, G. A.; SEVERGNINI, Paola ; Ballo, L.; CACCIANIGA, Alessandro ; CAMPANA, Sergio ; CICONE, CLAUDIA ; DELLA CECA, Roberto ; Turner, T. J.open
172012A new technique to efficiently select Compton-thick AGNSEVERGNINI, Paola ; CACCIANIGA, Alessandro ; DELLA CECA, Roberto open
182012NGC 454: unveiling a new 'changing look' active galactic nucleusMarchese, E.; BRAITO, Valentina ; DELLA CECA, Roberto ; CACCIANIGA, Alessandro ; SEVERGNINI, Paola open
192021Observations of the γ-ray-emitting narrow-line Seyfert 1, SBS 0846+513, and its host galaxyTimothy S. Hamilton; Marco Berton; Sonia Antón; BUSONI, LORENZO ; CACCIANIGA, Alessandro ; Stefano Ciroi; Wolfgang Gässler; Iskren Georgiev; Emilia Järvelä; S. Komossa; Smita Mathur; Sebastian Rabienopen
202016On the relation between X-ray absorption and optical extinction in AGNOrdovás-Pascual, Ignacio; Mateos, Silvia; Carrera, Francisco J.; Wiersema, Klaas; CACCIANIGA, Alessandro ; SEVERGNINI, Paola ; DELLA CECA, Roberto ; BALLO, Lucia; MORETTI, Alberto open