Works matching Active galactic nuclei

Results: 2176

Inherent and Local Magnetic Field Structures in Jets from Active Galactic Nuclei.

Published in:

Galaxies (2075-4434), 2021, v. 9, n. 3, p. 58, doi. 10.3390/galaxies9030058

By:

Gabuzda, Denise C.

Publication type:

Article

Millimeter-Wave Monitoring of Active Galactic Nuclei with the Africa Millimetre Telescope.

Published in:

Galaxies (2075-4434), 2019, v. 7, n. 2, p. 66, doi. 10.3390/galaxies7020066

By:

Backes, Michael;
Böttcher, Markus;
Falcke, Heino

Publication type:

Article

SUPERHEAVY PARTICLES AS DARK MATTER AND THEIR ROLE IN CREATION OF VISIBLE MATTER IN ACTIVE GALACTIC NUCLEI AND THE EARLY UNIVERSE.

Published in:

International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2009, v. 24, n. 8/9, p. 1610, doi. 10.1142/S0217751X09045108

By:

GRIB, A. A.;
PAVLOV, YU. V.

Publication type:

Article

Observational Tests of Active Galactic Nuclei Feedback: An Overview of Approaches and Interpretation.

Published in:

Galaxies (2075-4434), 2024, v. 12, n. 2, p. 17, doi. 10.3390/galaxies12020017

By:

Harrison, Chris M.;
Ramos Almeida, Cristina

Publication type:

Article

Numerical Simulations of Jets from Active Galactic Nuclei.

Published in:

Galaxies (2075-4434), 2019, v. 7, n. 1, p. 24, doi. 10.3390/galaxies7010024

By:

Martí, José-María

Publication type:

Article

New Active Galactic Nuclei Detected by the ART-XС and eROSITA Telescopes Onboard the SRG Observatory during an All-Sky X-ray Survey.

Published in:

Astronomy Letters, 2022, v. 48, n. 2, p. 87, doi. 10.1134/S1063773722020050

By:

Uskov, G. S.;
Zaznobin, I. A.;
Sazonov, S. Yu.;
Semena, A. N.;
Gilfanov, M. R.;
Burenin, R. A.;
Eselevich, M. V.;
Krivonos, R. A.;
Lyapin, A. R.;
Medvedev, P. S.;
Khorunzhev, G. A.;
Sunyaev, R. A.

Publication type:

Article

Optical Identification of Candidates for Active Galactic Nuclei Detected by the Mikhail Pavlinsky ART-XC Telescope Onboard the SRG Observatory during an All-Sky X-ray Survey.

Published in:

Astronomy Letters, 2021, v. 47, n. 2, p. 71, doi. 10.1134/S1063773721020067

By:

Zaznobin, I. A.;
Uskov, G. S.;
Sazonov, S. Yu.;
Burenin, R. A.;
Medvedev, P. S.;
Khorunzhev, G. A.;
Lyapin, A. R.;
Krivonos, R. A.;
Filippova, E. V.;
Gilfanov, M. R.;
Sunyaev, R. A.;
Eselevich, M. V.;
Bikmaev, I. F.;
Irtuganov, E. N.;
Nikolaeva, E. A.

Publication type:

Article

Internal absorption of gamma-rays in relativistic blobs of active galactic nuclei.

Published in:

Astrophysics & Space Science, 2007, v. 309, n. 1-4, p. 105, doi. 10.1007/s10509-007-9472-1

By:

Sitarek, Julian;
Bednarek, Wlodek

Publication type:

Article

Perspective of detecting very high energy gamma-ray emission from active galactic nuclei with Large High Altitude Air Shower Observatory (LHAASO).

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2016, v. 25, n. 1, p. -1, doi. 10.1142/S0218271816500061

By:

Zhao, Yi;
Yuan, Qiang;
Bi, Xiao-Jun;
Zhu, Feng-Rong;
Jia, Huan-Yu

Publication type:

Article

REVISIT OF CORRELATION ANALYSIS BETWEEN ACTIVE GALACTIC NUCLEI AND ULTRA-HIGH ENERGY COSMIC RAYS.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2013, v. 22, n. 8, p. -1, doi. 10.1142/S0218271813500454

By:

KIM, HANG BAE;
KIM, JIHYUN

Publication type:

Article

THE PARSEC-SCALE CIRCULAR POLARIZATION OF ACTIVE GALACTIC NUCLEI AT 22 AND 15 GHZ.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2008, v. 17, n. 9, p. 1531, doi. 10.1142/S021827180801311X

By:

VITRISHCHAK, V. M.;
GABUZDA, D. C.

Publication type:

Article

X-ray Redshifts for Obscured Active Galactic Nuclei with AXIS Deep and Intermediate Surveys.

Published in:

Universe (2218-1997), 2024, v. 10, n. 6, p. 245, doi. 10.3390/universe10060245

By:

Peca, Alessandro;
Cappelluti, Nico;
Marchesi, Stefano;
Hodges-Kluck, Edmund;
Foord, Adi

Publication type:

Article

Highlights of the Magic Florian Goebel Telescopes in the Study of Active Galactic Nuclei.

Published in:

Universe (2218-1997), 2024, v. 10, n. 2, p. 80, doi. 10.3390/universe10020080

By:

Manganaro, Marina;
Dominis Prester, Dijana

Publication type:

Article

Optical Singly-Ionized Iron Emission in Radio-Quiet and Relativistically Jetted Active Galactic Nuclei.

Published in:

Universe (2218-1997), 2021, v. 7, n. 12, p. 1, doi. 10.3390/universe7120484

By:

Marziani, Paola;
Berton, Marco;
Panda, Swayamtrupta;
Bon, Edi

Publication type:

Article

Spatial distribution of active galactic nuclei based on the 1995 CFA catalogue

Published in:

Journal of King Saud University - Science, 2010, v. 22, n. 3, p. 155, doi. 10.1016/j.jksus.2010.04.003

By:

Maghrabi, A.H.;
Al-Mostafa, Z.A.

Publication type:

Article

Polarization in broad emission lines of active galactic nuclei.

Published in:

Astronomische Nachrichten, 2022, v. 343, n. 1/2, p. 1, doi. 10.1002/asna.20210089

By:

Popović, Luka Č.;
Shablovinskaya, Elena;
Savić, Djordje

Publication type:

Article

Acceleration of the high‐energy protons in an active galactic nuclei.

Published in:

Astronomische Nachrichten, 2021, v. 342, n. 1, p. 182, doi. 10.1002/asna.202113901

By:

Istomin, Yakov;
Gunya, Alexey

Publication type:

Article

Further evidence of superluminal active galactic nuclei as γ‐ray sources.

Published in:

Astronomische Nachrichten, 2020, v. 341, n. 4, p. 462, doi. 10.1002/asna.202013733

By:

Xiao, Hubing;
Fan, Junhui;
Rando, Riccardo;
Zhu, Jingtian;
Hu, Liangjun

Publication type:

Article

Accretion/Ejection Phenomena and Emission-Line Profile (A)symmetries in Type-1 Active Galactic Nuclei.

Published in:

Symmetry (20738994), 2023, v. 15, n. 10, p. 1859, doi. 10.3390/sym15101859

By:

Marziani, Paola

Publication type:

Article

Wavelength dependence of polarization and physical mechanisms of magnetic field generation in accretion disks around supermassive black holes in active galactic nuclei.

Published in:

Astronomy Letters, 2014, v. 40, n. 8, p. 459, doi. 10.1134/S1063773714080076

By:

Piotrovich, M.;
Gnedin, Yu.;
Buliga, S.;
Natsvlishvili, T.

Publication type:

Article

Masses and accretion rates of supermassive black holes in active galactic nuclei from the INTEGRAL survey.

Published in:

Astronomy Letters, 2012, v. 38, n. 8, p. 475, doi. 10.1134/S1063773712080026

By:

Khorunzhev, G.;
Sazonov, S.;
Burenin, R.;
Tkachenko, A.

Publication type:

Article

Luminosity function of high-mass X-ray binaries and anisotropy in the distribution of active galactic nuclei toward the Large Magellanic Cloud.

Published in:

Astronomy Letters, 2012, v. 38, n. 8, p. 492, doi. 10.1134/S1063773712080051

By:

Lutovinov, A.;
Grebenev, S.A.;
Tsygankov, S.

Publication type:

Article

Spectropolarimetric observations of active galactic nuclei with the 6-m BTA telescope.

Published in:

Astronomy Letters, 2011, v. 37, n. 5, p. 302, doi. 10.1134/S106377371105001X

By:

Afanasiev, V.;
Borisov, N.;
Gnedin, Yu.;
Natsvlishvili, T.;
Piotrovich, M.;
Buliga, S.

Publication type:

Article

Difficulties in Estimating the Physical Parameters of Compact Radio Sources in Active Galactic Nuclei.

Published in:

Astrophysics, 2016, v. 59, n. 4, p. 514, doi. 10.1007/s10511-016-9454-5

By:

Artyukh, V.

Publication type:

Article

Polarization of Radiation and Basic Parameters of the Circumnuclear Region of Active Galactic Nuclei.

Published in:

Astrophysics, 2015, v. 58, n. 4, p. 443, doi. 10.1007/s10511-015-9398-1

By:

Gnedin, Yu.;
Piotrovich, M.;
Silant'ev, N.;
Natsvlishvili, T.;
Buliga, S.

Publication type:

Article

Determination of the Magnitude of the Spins of Supermassive Black Holes and the Magnetic Fields in Active Galactic Nuclei.

Published in:

Astrophysics, 2015, v. 58, n. 2, p. 157, doi. 10.1007/s10511-015-9372-y

By:

Mikhailov, A.;
Gnedin, Y.;
Belonovsky, A.

Publication type:

Article

Flux States of Active Galactic Nuclei.

Published in:

Galaxies (2075-4434), 2019, v. 7, n. 2, p. 57, doi. 10.3390/galaxies7020057

By:

Dorner, Daniela;
Arbet-Engels, Axel;
Baack, Dominik;
Balbo, Matteo;
Biland, Adrian;
Blank, Michael;
Bretz, Thomas;
Bruegge, Kai;
Bulinski, Michael;
Buss, Jens;
Doerr, Manuel;
Elsaesser, Dominik;
Hildebrand, Dorothee;
Linhoff, Lena;
Mannheim, Karl;
Mueller, Sebastian Achim;
Neise, Dominik;
Neronov, Andrii;
Noethe, Maximilian;
Paravac, Aleksander

Publication type:

Article

New Active Galactic Nuclei Detected by the ART-XC and eROSITA Telescopes during the First Five SRG All-Sky X-ray Surveys. Part 2.

Published in:

Astronomy Letters, 2024, v. 50, n. 5, p. 279, doi. 10.1134/S106377372470018X

By:

Uskov, G. S.;
Sazonov, S. Yu.;
Zaznobin, I. A.;
Gilfanov, M. R.;
Burenin, R. A.;
Filippova, E. V.;
Medvedev, P. S.;
Moskaleva, A. V.;
Sunyaev, R. A.;
Krivonos, R. A.;
Eselevich, M. V.

Publication type:

Article

New Active Galactic Nuclei Detected by the ART-XС and eROSITA Telescopes during the First Five SRG All-Sky X-ray Surveys.

Published in:

Astronomy Letters, 2023, v. 49, n. 2, p. 25, doi. 10.1134/S1063773723020044

By:

Uskov, G. S.;
Sazonov, S. Yu.;
Zaznobin, I. A.;
Burenin, R. A.;
Gilfanov, M. R.;
Medvedev, P. S.;
Sunyaev, R. A.;
Krivonos, R. A.;
Filippova, E. V.;
Khorunzhev, G. A.;
Eselevich, M. V.

Publication type:

Article

Low-Luminosity Accretion in Black Hole X-Ray Binaries and Active Galactic Nuclei.

Published in:

Astrophysics & Space Science, 2005, v. 300, n. 1-3, p. 177, doi. 10.1007/s10509-005-1178-7

By:

Narayan, Ramesh

Publication type:

Article

Are 3C 120 and Other Active Galactic Nuclei Overweight Microquasars?

Published in:

Astrophysics & Space Science, 2005, v. 300, n. 1-3, p. 39, doi. 10.1007/s10509-005-1185-8

By:

Marscher, Alan P.

Publication type:

Article

Effect of Active Galactic Nuclei (AGN) on the Photometric and Morphologic Properties of NGC 4414 and NGC 4369 Spiral Galaxies.

Published in:

Al-Nahrain Journal of Science, 2019, v. 22, n. 1, p. 62, doi. 10.22401/ANJS.22.1.09

By:

Hardan, Huda;
Ahmed, Abdullah K.

Publication type:

Article

Infrared Spectral Energy Distribution and Variability of Active Galactic Nuclei: Clues to the Structure of Circumnuclear Material.

Published in:

Universe (2218-1997), 2022, v. 8, n. 6, p. N.PAG, doi. 10.3390/universe8060304

By:

Lyu, Jianwei;
Rieke, George

Publication type:

Article

Study of Active Galactic Nuclei using the Water Vapour Masers.

Published in:

Proceedings of the International Astronomical Union, 2022, v. 18, n. S380, p. 60, doi. 10.1017/S1743921323002491

By:

Deepshikha;
Naomasa, Nakai;
Madoka, Yamazaki;
Aya, Yamauchi

Publication type:

Article

Investigation of the radio emission from active galactic nuclei: Determining the spin of a supermassive black hole.

Published in:

Astronomy Letters, 2014, v. 40, n. 4, p. 161, doi. 10.1134/S1063773714040021

By:

Ipatov, A.;
Kharinov, M.;
Mardyshkin, V.;
Mikhailov, A.;
Gnedin, Yu.;
Piotrovich, M.;
Evstigneev, A.;
Dyakov, A.;
Sergeev, R.

Publication type:

Article

Science with a Small Two-Band UV-Photometry Mission III: Active Galactic Nuclei and Nuclear Transients.

Published in:

Space Science Reviews, 2024, v. 220, n. 3, p. 1, doi. 10.1007/s11214-024-01062-5

By:

Zajaček, M.;
Czerny, B.;
Jaiswal, V. K.;
Štolc, M.;
Karas, V.;
Pandey, A.;
Pasham, D. R.;
Śniegowska, M.;
Witzany, V.;
Suková, P.;
Münz, F.;
Werner, N.;
Řípa, J.;
Merc, J.;
Labaj, M.;
Kurfürst, P.;
Krtička, J.

Publication type:

Article

Polarization of active galactic nuclei with significant VLBI-Gaia displacements.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 691, p. 1, doi. 10.1051/0004-6361/202451186

By:

Blinov, Dmitry;
Arshinova, Arina

Publication type:

Article

The VLA-COSMOS 3 GHz Large Project: Average radio spectral energy distribution of active galactic nuclei.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2020, v. 643, p. 1, doi. 10.1051/0004-6361/201937114

By:

Tisanić, K.;
Smolčić, V.;
Imbrišak, M.;
Bondi, M.;
Zamorani, G.;
Ceraj, L.;
Vardoulaki, E.;
Delhaize, J.

Publication type:

Article

A simultaneous 3.5 and 1.3mm polarimetric survey of active galactic nuclei in the northern sky.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 566, p. 1, doi. 10.1051/0004-6361/201423366

By:

Agudo, I.;
Thum, C.;
Gómez, J. L.;
Wiesemeyer, H.

Publication type:

Article

MOJAVE: Monitoring of Jets in Active galactic nuclei with VLBA Experiments: IX. Nuclear opacity.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 545, p. 1, doi. 10.1051/0004-6361/201219173

By:

Pushkarev, A. B.;
Hovatta, T.;
Kovalev, Y. Y.;
Lister, M. L.;
Lobanov, A. P.;
Savolainen, T.;
Zensus, J. A.

Publication type:

Article

X-ray and infrared diagnostics of nearby active galactic nuclei with MAXI and AKARI.

Published in:

Publications of the Astronomical Society of Japan, 2016, v. 68, n. 6, p. 1, doi. 10.1093/pasj/psw089

By:

Naoki Isobe;
Taiki Kawamuro;
Shinki Oyabu;
Takao Nakagawa;
Shunsuke Baba;
Kenichi Yano;
Yoshihiro Ueda;
Yoshiki Toba

Publication type:

Article

Determination of supermassive black hole spins in active galactic nuclei.

Published in:

International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2020, v. 35, n. 2/3, p. N.PAG, doi. 10.1142/S0217751X20400540

By:

Piotrovich, M. Yu.;
Afanasiev, V. L.;
Buliga, S. D.;
Natsvlishvili, T. M.

Publication type:

Article

X-ray selected narrow-line active galactic nuclei in the COSMOS field: Nature of optically dull active galactic nuclei.

Published in:

Publications of the Astronomical Society of Japan, 2022, v. 74, n. 4, p. 689, doi. 10.1093/pasj/psac029

By:

Fitriana, Itsna K;
Murayama, Takashi

Publication type:

Article

Euclid preparation: XLIX. Selecting active galactic nuclei using observed colours.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 691, p. 1, doi. 10.1051/0004-6361/202450446

By:

Bisigello, L.;
Massimo, M.;
Tortora, C.;
Fotopoulou, S.;
Allevato, V.;
Bolzonella, M.;
Gruppioni, C.;
Pozzetti, L.;
Rodighiero, G.;
Serjeant, S.;
Cunha, P. A. C.;
Gabarra, L.;
Feltre, A.;
Humphrey, A.;
La Franca, F.;
Landt, H.;
Mannucci, F.;
Prandoni, I.;
Radovich, M.;
Ricci, F.

Publication type:

Article

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

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

ViCTORIA project: The LOFAR-MeerKAT view of active galactic nuclei in Virgo cluster early-type galaxies.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 690, p. 1, doi. 10.1051/0004-6361/202450365

By:

Spasic, A.;
Edler, H. W.;
Su, Y.;
Brüggen, M.;
de Gasperin, F.;
Pasini, T.;
Heesen, V.;
Simonte, M.;
Boselli, A.;
Röttgering, H. J. A.;
Fossati, M.

Publication type:

Article

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

X-ray occultations in active galactic nuclei: Physical properties of eclipsing clouds as part of the broad-line region cloud ensemble.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 690, p. 1, doi. 10.1051/0004-6361/202449686

By:

Pietrini, P.;
Torricelli-Ciamponi, G.;
Risaliti, G.

Publication type:

Article

The eROSITA Final Equatorial Depth Survey (eFEDS): Complex absorption and soft excesses in hard X-ray–selected active galactic nuclei.

Published in:

Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 690, p. 1, doi. 10.1051/0004-6361/202245572

By:

Waddell, S. G. H.;
Nandra, K.;
Buchner, J.;
Wu, Q.;
Shen, Y.;
Arcodia, R.;
Merloni, A.;
Salvato, M.;
Dauser, T.;
Boller, Th.;
Liu, T.;
Comparat, J.;
Wolf, J.;
Dwelly, T.;
Ricci, C.;
Brownstein, J. R.;
Brusa, M.

Publication type:

Article