Works matching DE "SEYFERT galaxies"


Results: 365
    1

    Low Luminosity BL Lacs.

    Published in:
    Astrophysics & Space Science, 2003, v. 285, n. 1, p. 257, doi. 10.1023/a:1024615305273
    By:
    • Antón, Sónia
    Publication type:
    Article
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    A second view on the X-ray polarization of NGC 4151 with IXPE.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 691, p. 1, doi. 10.1051/0004-6361/202451645
    By:
    • Gianolli, V. E.;
    • Bianchi, S.;
    • Kammoun, E.;
    • Gnarini, A.;
    • Marinucci, A.;
    • Ursini, F.;
    • Parra, M.;
    • Tortosa, A.;
    • De Rosa, A.;
    • Kim, D. E.;
    • Marin, F.;
    • Matt, G.;
    • Serafinelli, R.;
    • Soffitta, P.;
    • Tagliacozzo, D.;
    • Di Gesu, L.;
    • Done, C.;
    • Marshall, H. L.;
    • Middei, R.;
    • Mikusincova, R.
    Publication type:
    Article
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    Investigating the interplay between the coronal properties and the hard X-ray variability of active galactic nuclei with NuSTAR.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 690, p. 1, doi. 10.1051/0004-6361/202450777
    By:
    • Serafinelli, Roberto;
    • De Rosa, Alessandra;
    • Tortosa, Alessia;
    • Stella, Luigi;
    • Vagnetti, Fausto;
    • Bianchi, Stefano;
    • Ricci, Claudio;
    • Kammoun, Elias;
    • Petrucci, Pierre-Olivier;
    • Middei, Riccardo;
    • Lanzuisi, Giorgio;
    • Marinucci, Andrea;
    • Ursini, Francesco;
    • Matt, Giorgio
    Publication type:
    Article
    11

    VLTI/GRAVITY interferometric measurements of the innermost dust structure sizes around active galactic nuclei.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 690, p. 1, doi. 10.1051/0004-6361/202450746
    By:
    • Amorim, A.;
    • Bourdarot, G.;
    • Brandner, W.;
    • Cao, Y.;
    • Clénet, Y.;
    • Davies, R.;
    • de Zeeuw, P. T.;
    • Dexter, J.;
    • Drescher, A.;
    • Eckart, A.;
    • Eisenhauer, F.;
    • Fabricius, M.;
    • Feuchtgruber, H.;
    • Förster Schreiber, N. M.;
    • Garcia, P. J. V.;
    • Genzel, R.;
    • Gillessen, S.;
    • Gratadour, D.;
    • Hönig, S.;
    • Kishimoto, M.
    Publication type:
    Article
    12

    A biconical ionised gas outflow and evidence of positive feedback in NGC 7172 uncovered by MIRI/JWST.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 690, p. 1, doi. 10.1051/0004-6361/202450262
    By:
    • Hermosa Muñoz, L.;
    • Alonso-Herrero, A.;
    • Pereira-Santaella, M.;
    • García-Bernete, I.;
    • García-Burillo, S.;
    • García-Lorenzo, B.;
    • Davies, R.;
    • Shimizu, T.;
    • Esparza-Arredondo, D.;
    • Hicks, E. K. S.;
    • Haidar, H.;
    • Leist, M.;
    • López-Rodríguez, E.;
    • Ramos Almeida, C.;
    • Rosario, D.;
    • Zhang, L.;
    • Audibert, A.;
    • Bellocchi, E.;
    • Boorman, P.;
    • Bunker, A. J.
    Publication type:
    Article
    13

    X-ray view of dissipative warm corona in active galactic nuclei.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 690, p. 1, doi. 10.1051/0004-6361/202450111
    By:
    • Palit, B.;
    • Różańska, A.;
    • Petrucci, P. O.;
    • Gronkiewicz, D.;
    • Barnier, S.;
    • Bianchi, S.;
    • Ballantyne, D. R.;
    • Gianolli, V. E.;
    • Middei, R.;
    • Belmont, R.;
    • Ursini, F.
    Publication type:
    Article
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    Supermassive Black Hole Winds in X-rays: SUBWAYS: III. A population study on ultra-fast outflows.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 687, p. 1, doi. 10.1051/0004-6361/202348908
    By:
    • Gianolli, V. E.;
    • Bianchi, S.;
    • Petrucci, P.-O.;
    • Brusa, M.;
    • Chartas, G.;
    • Lanzuisi, G.;
    • Matzeu, G. A.;
    • Parra, M.;
    • Ursini, F.;
    • Behar, E.;
    • Bischetti, M.;
    • Comastri, A.;
    • Costantini, E.;
    • Cresci, G.;
    • Dadina, M.;
    • De Marco, B.;
    • De Rosa, A.;
    • Fiore, F.;
    • Gaspari, M.;
    • Gilli, R.
    Publication type:
    Article
    20

    XMM-Newton – NuSTAR monitoring campaign of the Seyfert 1 galaxy IC 4329A.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 687, p. 1, doi. 10.1051/0004-6361/202348760
    By:
    • Tortosa, A.;
    • Ricci, C.;
    • Shablovinskaia, E.;
    • Tombesi, F.;
    • Kawamuro, T.;
    • Kara, E.;
    • Mantovani, G.;
    • Balokovic, M.;
    • Chang, C.-S.;
    • Gendreau, K.;
    • Koss, M. J.;
    • Liu, T.;
    • Loewenstein, M.;
    • Paltani, S.;
    • Privon, G. C.;
    • Trakhtenbrot, B.
    Publication type:
    Article
    21
    22

    SN 2019nyk: A rapidly declining Type II supernova with early interaction signatures.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 685, p. 1, doi. 10.1051/0004-6361/202348642
    By:
    • Dastidar, Raya;
    • Pignata, Giuliano;
    • Dukiya, Naveen;
    • Misra, Kuntal;
    • Hiramatsu, Daichi;
    • Silva-Farfán, Javier;
    • Andrew Howell, D.;
    • Azalee Bostroem, K.;
    • Singh, Mridweeka;
    • Gangopadhyay, Anjasha;
    • Kumar, Amit;
    • McCully, Curtis
    Publication type:
    Article
    23
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    Non-thermal emission in M31 and M33.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 685, p. 1, doi. 10.1051/0004-6361/202347976
    By:
    • Persic, Massimo;
    • Rephaeli, Yoel;
    • Rando, Riccardo
    Publication type:
    Article
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    Still alive and kicking: A significant outburst in changing-look AGN Mrk 1018.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 677, p. 1, doi. 10.1051/0004-6361/202346475
    By:
    • Brogan, R.;
    • Krumpe, M.;
    • Homan, D.;
    • Urrutia, T.;
    • Granzer, T.;
    • Husemann, B.;
    • Neumann, J.;
    • Gaspari, M.;
    • Vaughan, S. P.;
    • Croom, S. M.;
    • Combes, F.;
    • Pérez Torres, M.;
    • Coil, A.;
    • McElroy, R.;
    • Winkel, N.;
    • Singha, M.
    Publication type:
    Article
    29

    The NuSTAR view of the changing-look AGN ESO 323-G77.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 672, p. 1, doi. 10.1051/0004-6361/202245224
    By:
    • Serafinelli, Roberto;
    • Braito, Valentina;
    • Reeves, James N.;
    • Severgnini, Paola;
    • De Rosa, Alessandra;
    • Ceca, Roberto Della;
    • Turner, Tracey Jane
    Publication type:
    Article
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    31

    Discovery of the luminous X-ray ignition eRASSt J234402.9-352640: I. Tidal disruption event or a rapid increase in accretion in an active galactic nucleus.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 672, p. 1, doi. 10.1051/0004-6361/202245078
    By:
    • Homan, D.;
    • Krumpe, M.;
    • Markowitz, A.;
    • Saha, T.;
    • Gokus, A.;
    • Partington, E.;
    • Lamer, G.;
    • Malyali, A.;
    • Liu, Z.;
    • Rau, A.;
    • Grotova, I.;
    • Cackett, E. M.;
    • Buckley, D. A. H.;
    • Ciroi, S.;
    • Di Mille, F.;
    • Gendreau, K.;
    • Gromadzki, M.;
    • Krishnan, S.;
    • Schramm, M.;
    • Steiner, J. F.
    Publication type:
    Article
    32

    Continuum reverberation mapping of MCG 08-11-011.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 672, p. 1, doi. 10.1051/0004-6361/202244905
    By:
    • Fian, C.;
    • Chelouche, D.;
    • Kaspi, S.;
    • Figaredo, C. Sobrino;
    • Lewis, T.;
    • Catalan, S.
    Publication type:
    Article
    33

    Nuclear high-ionisation outflow in the Compton-thick AGN NGC 6552 as seen by the JWST mid-infrared instrument.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 672, p. 1, doi. 10.1051/0004-6361/202244880
    By:
    • Álvarez-Márquez, J.;
    • Labiano, A.;
    • Guillard, P.;
    • Dicken, D.;
    • Argyriou, I.;
    • Patapis, P.;
    • Law, D. R.;
    • Kavanagh, P. J.;
    • Larson, K. L.;
    • Gasman, D.;
    • Mueller, M.;
    • Alberts, S.;
    • Brandl, B. R.;
    • Colina, L.;
    • García-Marín, M.;
    • Jones, O. C.;
    • Noriega-Crespo, A.;
    • Shivaei, I.;
    • Temim, T.;
    • Wright, G. S.
    Publication type:
    Article
    34

    PKS 1413+135: OH and H I at z = 0.247 with MeerKAT.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 671, p. 1, doi. 10.1051/0004-6361/202245482
    By:
    • Combes, F.;
    • Gupta, N.;
    • Muller, S.;
    • Balashev, S.;
    • Deka, P. P.;
    • Emig, K. L.;
    • Klöckner, H.-R.;
    • Klutse, D.;
    • Knowles, K.;
    • Mohapatra, A.;
    • Momjian, E.;
    • Noterdaeme, P.;
    • Petitjean, P.;
    • Salas, P.;
    • Srianand, R.;
    • Wagenveld, J. D.
    Publication type:
    Article
    35
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    Forbidden hugs in pandemic times: IV. Panchromatic evolution of three luminous red novae.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2023, v. 671, p. 1, doi. 10.1051/0004-6361/202244684
    By:
    • Pastorello, A.;
    • Valerin, G.;
    • Fraser, M.;
    • Reguitti, A.;
    • Elias-Rosa, N.;
    • Filippenko, A. V.;
    • Rojas-Bravo, C.;
    • Tartaglia, L.;
    • Reynolds, T. M.;
    • Valenti, S.;
    • Andrews, J. E.;
    • Ashall, C.;
    • Bostroem, K. A.;
    • Brink, T. G.;
    • Burke, J.;
    • Cai, Y.-Z.;
    • Cappellaro, E.;
    • Coulter, D. A.;
    • Dastidar, R.;
    • Davis, K. W.
    Publication type:
    Article
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    Seeing and believing.

    Published in:
    Nature, 1995, v. 375, n. 6533, p. 633, doi. 10.1038/375633a0
    By:
    • Halpern, Jules P.
    Publication type:
    Article
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    Interloper apprehended.

    Published in:
    Nature, 1993, v. 365, n. 6447, p. 607, doi. 10.1038/365607a0
    By:
    • Halpern, Jules P.
    Publication type:
    Article
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