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Related papers: AGN-host interaction in IC 5063. I. Large-scale X-…

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The Chandra X-ray observatory has proven to be a vital tool for studying high-energy emission processes in jets associated with Active Galactic Nuclei (AGN).We have compiled a sample of 27 AGN selected from the radio flux-limited MOJAVE…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Brandon Hogan , Matthew Lister , Preeti Kharb , Herman Marshall , Nathan Cooper

With Low-Frequency Array (LOFAR) observations, we have discovered a diverse assembly of steep spectrum emission that is apparently associated with the intra cluster medium (ICM) of the merging galaxy cluster Abell 2034. Such a rich variety…

PKS B2152-699 has radio power characteristic of sources that dominate radio feedback. We present new deep ATCA, Chandra and optical observations, and test the feedback model. We report the first high-resolution observations of the radio…

High Energy Astrophysical Phenomena · Physics 2015-06-05 D. M. Worrall , M. Birkinshaw , A. J. Young , K. Momtahan , R. A. E. Fosbury , R. Morganti , C. N. Tadhunter , G. Verdoes Kleijn

We study the ionization and kinematics of the ionized gas in the nuclear region of the barred Seyfert 2 galaxy NGC~5643 using MUSE integral field observations in the framework of the MAGNUM (Measuring Active Galactic Nuclei Under MUSE…

Our Chandra observation of the FRI radio galaxy 3C66B has resulted in the first detection of an X-ray counterpart to the previously known radio, infra-red and optical jet. The X-ray jet is detected up to 7 arcsec from the core and has a…

Astrophysics · Physics 2016-01-13 M. J. Hardcastle , M. Birkinshaw , D. M. Worrall

Low-luminosity radio-loud active galactic nuclei (AGN) are of importance in studies concerning feedback from radio AGN since a dominant fraction of AGN belong to this class. We report high-resolution Very Large Array (VLA) and European VLBI…

We present the results of a detailed correlation study between the soft X-ray, hard X-ray, and radio emission (obtained from RXTE ASM, BATSE, and GBI observations, respectively) of the bright radio emitting Galactic X-ray binary Cygnus X-3.…

Astrophysics · Physics 2009-11-07 M. Choudhury , A. R. Rao , S. V. Vadawale , C. H. Ishwara-Chandra , A. K. Jain

Using recent high-resolution radio observations of a large sample of Seyfert galaxies (Roy et al. 1994), we analyze the relations between the compact radio core emission and several nuclear and host galaxy properties. Seyfert nuclei hosted…

Astrophysics · Physics 2008-11-26 Giuliano Giuricin , Dario Fadda , Marino Mezzetti

Active Galactic Nuclei (AGN) are intertwined with galaxy evolution, injecting energy into the interstellar medium (ISM) that could regulate star formation as a galaxy evolves. However, the phenomena through which we observe AGN are…

We present results from Chandra X-ray imaging and spectroscopy of a flux-limited sample of flat spectrum radio-emitting quasars with jet-like extended structure. Twelve of twenty quasar jets are detected in 5 ks ACIS-S exposures. The…

Deep, narrow-band Halpha observations taken with the TAURUS Tunable Filter (TTF) on the 4.2m WHT telescope are presented for two nearby radio galaxies with strong jet-cloud interactions. Although the brightest emission line components are…

Astrophysics · Physics 2009-10-31 C. N. Tadhunter , M. Villar-Martin , R. Morganti , J. Bland-Hawthorn , D. Axon

We present the new HST near-infrared polarimetry, broad and narrow-band imaging, and MERLIN 4.5GHz Multi-Frequency Synthesis radio imaging of 3C 293, a unique radio galaxy whose host is an obvious merger remnant, in an exceptionally…

Active galactic nucleus (AGN) outflows including jets and ionized winds have been key phenomena such as jet collimation and AGN feedback to the host galaxy in astrophysics. Radio galaxies, a type of AGN with misaligned jets, have provided…

High Energy Astrophysical Phenomena · Physics 2023-12-19 Taishu Kayanoki , Junjie Mao , Yasushi Fukazawa

The interaction between the radio plasma ejected by the active nucleus of a galaxy and the surrounding medium is a key process that can have a strong impact on the interstellar medium of the galaxy and hence on galaxy evolution. The closest…

Astrophysics of Galaxies · Physics 2015-11-10 F. Santoro , J. B. R. Oonk , R. Morganti , T. Oosterloo

In recent years, Circumnuclear Star Forming Regions (CNSFRs) have been studied in different frequencies and telescopes, diverse studies about connection between nuclear activity and star formation in the CNSFRs were doing using optical…

Astrophysics of Galaxies · Physics 2018-01-26 I. Villicaña-Pedraza , D. Mast , A. Díaz , F. Carreto-Parra , G. Hagele , M. Cardaci

The duty-cycle of powerful radio galaxies and quasars such as the prototype Cygnus A is poorly understood. X-ray observations of inverse-Compton scattered Cosmic Microwave Background (ICCMB) photons probe lower Lorentz-factor particles than…

Astrophysics · Physics 2009-11-13 K. C. Steenbrugge , K. M. Blundell , P. Duffy

We use new X-ray data obtained with the Nuclear Spectroscopic Telescope Array (NuSTAR), near-infrared (NIR) fluxes, and mid-infrared (MIR) spectra of a sample of 24 unobscured type 1 active galactic nuclei (AGN) to study the correlation…

Astrophysics of Galaxies · Physics 2017-05-23 I. García-Bernete , C. Ramos Almeida , H. Landt , M. J. Ward , M. Baloković , J. A. Acosta-Pulido

The jet in 3C273 is a high-power quasar jet with radio, optical and X-ray emission whose size and brightness allow a detailed study of the emission processes acting in it. We present deep Chandra observations of this jet and analyse the…

Astrophysics · Physics 2008-11-26 S. Jester , D. E. Harris , H. L. Marshall , K. Meisenheimer

We analyse a 100-ks Chandra observation of the powerful radio galaxy, 4C60.07 at z=3.79. We identify extended X-ray emission with Lx~10^45 erg/s across a ~90-kpc region around the radio galaxy. The energetics of this X-ray halo and its…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Ian Smail , B. D. Lehmer , R. J. Ivison , D. M. Alexander , R. G. Bower , J. A. Stevens , J. E. Geach , C. A. Scharf , K. E. K. Coppin , W. J. M. van Breugel , .

We analyze all the available Atacama Large Millimeter / submillimeter Array archival data of the nearby Type-II Seyfert galaxy NGC 1068, including new 100 GHz data with the angular resolution of 0\farcs05, which was not included in previous…

Astrophysics of Galaxies · Physics 2023-08-02 Tomonari Michiyama , Yoshiyuki Inoue , Akihiro Doi