HI in radio galaxies: prospects for upcoming wide-field surveys (2009)
Emonts, Bjorn, Morganti, Raffaella, Struve, Christian
We present results of an ongoing systematic study of the large-scale properties of neutral hydrogen (HI) gas in nearby radio galaxies. Our main goal is to investigate the importance of gas-rich...
Is Centaurus A special? A neutral hydrogen perspective (2009)
Struve, Christian, Morganti, Raffaella, Oosterloo, Tom A., Emonts, Bjorn H. C.
Due to the proximity, the neutral hydrogen belonging to Centaurus A can be observed at high resolution with good sensitivity. This allows to study the morphology and kinematics in detail in order to...
In the last years, Active Galactic Nuclei (AGN) have become more popular than ever. The possibility of using them to produce feedback effects that would help solving some of the still open questions...
ESO 381-47, an early-type galaxy with extended HI and a star forming ring (2009)
Donovan, Jennifer L., Serra, Paolo, Van Gorkom, J. H., Trager, S. C., Oosterloo, Tom, Hibbard, J. E., ...
ESO 381-47 is an early type galaxy with an extended HI disk. GALEX and very deep optical images reveal a distinct stellar ring far outside the optical body with a diameter of ~30 kpc, which has...
Broad HI absorption in the candidate binary black-hole 4C37.11 (B2 0402+379) (2009)
Morganti, Raffaella, Emonts, Bjorn, Oosterloo, Tom
We report the discovery of extremely broad 21-cm HI absorption (FWZI ~1600 km/s) detected with the Westerbork Synthesis Radio Telescope in the radio source 4C37.11 (B2 0402+379). This object has been...
Broad HI absorption in the candidate binary black-hole 4C37.11 (B2 0402+379) (2009)
Emonts, Bjorn, Morganti, Raffaella, Oosterloo,Tom
The Hi absorption in 4C37.11 is unusual because it is the first case where such broad absorption is found to be centred on the systemic velocity of the host galaxy and not asymmetric and blueshifted...
Circumnuclear HI disks in radio galaxies: The case of Cen A and B2 0258+35 (2008)
Struve, Christian, Morganti, Raffaella, Oosterloo, Tom A.
New HI observations of the nearby radio-loud galaxies Centaurus A and B2 0258+35 show broad absorption (Delta_v=400km/s) against the unresolved nuclei. Both sources belong to the cases where blue-...
Dicken, D., Tadhunter, Clive, Morganti, Raffaella, Buchanan, Catherine, Oosterloo, T., Axon, David
Also archived in: arXiv:0803.1623 v1 11 Mar 2008
Emonts, Bjorn, Morganti, Raffaella, Oosterloo, Tom, Van Gorkom, Jacqueline
We present results of a study of large-scale neutral hydrogen (HI) gas in nearby radio galaxies. We find that the early-type host galaxies of different types of radio sources (compact, FR-I and...
Stellar populations, neutral hydrogen and ionised gas in field early-type galaxies (2007)
Serra, Paolo, Trager, Scott C., Oosterloo, Tom A., Morganti, Raffaella
We present a study of the stellar populations of a sample of 39 local, field early-type galaxies whose HI properties are known from interferometric data. Our aim is to understand whether stellar age...
Centaurus A: Morphology and kinematics of the HI disk (2007)
Struve, Christian, Morganti, Raffaella, Oosterloo, Tom A.
We present first results of new ATCA HI emission and absorption observations of Centaurus A. The large-scale disk is described via a tilted-ring model. A broader redshifted absorption than previously...
The shape of the dark matter halo in the early-type galaxy NGC 2974 (2007)
Weijmans, Anne-Marie, Krajnovic, Davor, Van De Ven, Glenn, Oosterloo, Tom A., Morganti, Raffaella, De Zeeuw, P. T.
We present HI observations of the elliptical galaxy NGC 2974, obtained with the Very Large Array. These observations reveal that the previously detected HI disc in this galaxy (Kim et al. 1988) is in...
The interplay between radio jets and ISM in sub-kpc radio sources (2007)
This paper reviews the evidence for interaction between radio jets and their environment in small and intermediate (sub-kpc) scale radio sources. Observations of gas (both neutral hydrogen and...
The heating mechanism for the warm/cool dust in powerful, radio-loud AGN (2007)
Tadhunter, Clive, Dicken, D., Holt, J., Inskip, K., Morganti, Raffaella, Axon, David, ...
Also archived in: arXiv:astro-ph/0703790 v1 Mar 2007
Dominant nuclear outflow driving mechanisms in powerful radio galaxies (2007)
Batcheldor, Dan, Tadhunter, Clive, Holt, Joanna, Morganti, Raffaella, O'Dea, Christopher, Axon, David, ...
Also archived in: arXiv:astro-ph/0702498 v1 Feb 20 2007
Dominant Nuclear Outflow Driving Mechanisms in Powerful Radio Galaxies (2007)
Batcheldor, Dan, Tadhunter, Clive, Holt, Joanna, Morganti, Raffaella, O'Dea, Christopher P., Axon, David J., ...
In order to identify the dominant nuclear outflow mechanisms in Active Galactic Nuclei, we have undertaken deep, high resolution observations of two compact radio sources (PKS 1549-79 and PKS...
Fast neutral outflows in nearby radio galaxies: a major source of feedback (2007)
Morganti, Raffaella, Tadhunter, Clive, Oosterloo, Tom, Holt, Joanna, Emonts, Bjorn
Fast (~1000 km/s) outflows of neutral gas (from 21-cm HI absorption) are detected in strong radio sources. The outflows occur, at least in some cases, at distances from the radio core that range...
The Westerbork SINGS Survey: I. Overview and Image Atlas (2006)
Braun, Robert, Oosterloo, Tom, Morganti, Raffaella, Klein, Uli, Beck, Rainer
We have obtained moderately deep radio continuum imaging at 18 and 22cm with the Westerbork array of 34 nearby galaxies drawn from the Spitzer SINGS and Starburst samples to enable complimentary...
Minkowski's Object: A Starburst Triggered by a Radio Jet, Revisited (2006)
Croft, Steve, Van Breugel, Wil, De Vries, Wim, Dopita, Mike, Martin, Chris, Morganti, Raffaella, ...
We present neutral hydrogen, ultraviolet, optical and near-infrared imaging, and optical spectroscopy, of Minkowski's Object (MO), a star forming peculiar galaxy near NGC 541. The observations...
Tilak, Avanti, O'Dea, Christopher, Tadhunter, Clive, Willis, Karen, Morganti, Raffaella, Baum, Stefi, ...
Also archived in: arXiv: astro-ph/0507652 v1 27 Jul 2005
Neutral hydrogen in radio galaxies: results from nearby, importance for far away (2005)
The study of neutral hydrogen emission and absorption in radio galaxies is giving new and important insights on a variety of phenomena observed in these objects. Such observations are helping to...
De Breuck, Carlos, Neri, Roberto, Morganti, Raffaella, Omont, Alain, Rocca-Volmerange, Brigitte, Stern, Daniel, ...
We present results of a comprehensive multi-frequency study of the radio galaxy B3 J2330+3927. The 1.9\" wide radio source, consisting of 3 components, is bracketed by 2 objects in our Keck K-band...
Labiano, Alvaro, O'Dea, Christopher, Gelderman, Richard, De Vries, Wim, Axon, David, Barthel, Peter, ...
Also archived in: arXiv:astro-ph/0504330 v1 14 Apr 2005
Labiano, Alvaro, O'Dea, Christopher, Gelderman, Richard, De Vries, Wim, Axon, David, Barthel, Peter, ...
Also archived in: arXiv:astro-ph/0504330 v1 14 Apr 2005
Probing the nature of the ISM in Active Galactic Nuclei through HI absorption (2005)
The physical and kinematical conditions of the gas surrounding an active galactic nucleus (AGN) offer key diagnostics for understanding the processes occurring in the inner few kpc around the...
The giant star forming halo associated with the radio galaxy PKS1932-46 (2005)
Villar-Martin, Montse, Tadhunter, Clive, Morganti, Raffaella, Holt, Joanna
We report the discovery of a giant (~160 kpc) knotty extended emission line nebula associated with the radio galaxy PKS1932-46 at z=0.23. The 2-d long slit spectra, obtained with VLT-FORS2 at a large...
The interplay between radio-activity and the ISM in radio galaxies (2004)
Radio-loud AGNs can inhabit regions with a very rich ISM. The presence of this rich medium is likely related to the origin and evolution of the host galaxy and of the active nucleus. Recent...
Tidal remnants and intergalactic H II regions (2004)
Oosterloo, Tom, Morganti, Raffaella, Sadler, Elaine, Ferguson, Annette
HI on large and small scales in starburst radio galaxies (2003)
Morganti, Raffaella, Oosterloo, Tom, Tadhunter, Clive, Emonts, Bjorn, Van Moorsel, Gustaaf
The study of the optical continuum of radio galaxies shows that about 30% have a young stellar population component. Among them are the most far-IR bright radio galaxies. A further indication of the...
De Breuck, Carlos, Neri, Roberto, Morganti, Raffaella, Omont, Alain, Rocca-Volmerange, Brigitte, Stern, Daniel, ...
We present results of a comprehensive multi-frequency study of the radio galaxy B3 J2330+3927. The 1.9" wide radio source, consisting of 3 components, is bracketed by 2 objects in our Keck K-band...
De Breuck, Carlos, Neri, Roberto, Morganti, Raffaella, Omont, Alain, Rocca-Volmerange, Brigitte, Stern, Daniel, ...
We present results of a comprehensive multi-frequency study of the radio galaxy B3 J2330+3927. The 1.9\" wide radio source, consisting of 3 components, is bracketed by 2 objects in our Keck K-band...
De Breuck, Carlos, Neri, Roberto, Morganti, Raffaella, Omont, Alain, Rocca-Volmerange, Brigitte, Stern, Daniel, ...
We present results of a comprehensive multi-frequency study of the radio galaxy B3 J2330+3927. The 1.9\" wide radio source, consisting of 3 components, is bracketed by 2 objects in our Keck K-band...
Detection of X-ray Emission from the Eastern Radio Lobe of PICTOR A (2002)
Grandi, Paola, Guainazzi, Matteo, Maraschi, Laura, Morganti, Raffaella, Fusco-Femiano, Roberto, Fiocchi, Mariateresa, ...
The XMM-Newton satellite has revealed extended X-ray emission from the eastern radio lobe of the Fanaroff-Riley II Radio Galaxy Pictor A. The X-ray spectrum, accumulated on a region covering about...
HI in elliptical galaxies (2002)
Sadler, Elaine M., Oosterloo, Tom, Morganti, Raffaella
Neutral hydrogen is an important component of the interstellar medium in elliptical galaxies as well as a potentially valuable mass tracer. Until recently, HI surveys of early-type galaxies have been...
The HST survey of the B2 sample of radio galaxies: Detection of two optical jets (2002)
Parma, P, De Ruiter, H R, Capetti, A, Fanti, R, Morganti, Raffaella, Bondi, M, ...
Viewing the circumnuclear medium "through" the radio absorption (2001)
Observations of radio absorption (free-free and 21 cm neutral hydrogen absorption) can provide important constraints on the interstellar medium (either ionised or neutral) surrounding AGN. This gas...
The Morphology of the emission line region of Compact Steep Spectrum radio sources (2000)
Axon, David, Capetti, Alessandro, Fanti, Roberto, Morganti, Raffaella, Robinson, Andrew, Spencer, Ralph
Also archived in: arXiv:astro-ph/0006355 v1 26 Jun 2000
The morphology of the emission line region of compact steep spectrum radio sources (2000)
Axon, David, Capetti, Alessandro, Fanti, Roberto, Morganti, Raffaella, Robinson, Andrew, Spencer, Ralph
Also archived in: arXiv:astro-ph/0006355 v1 26 Jun 2000
Tadhunter, Clive, Villar-Martin, Montse, Morganti, Raffaella, Bland-Hawthorn, Joss, Axon, David
Also archived in: arXiv:astro-ph/0002174 v1 8 Feb 2000
Tadhunter, Clive, Villar-Martin, Montse, Morganti, Raffaella, Bland-Hawthorn, Joss, Axon, David
Also archived in: arXiv:astro-ph/0002174 v1 8 Feb 2000
PKS2250-41 and the role of jet-cloud interactions in powerful radio galaxies (full paper) (1999)
Villar-Martin, Montse, Tadhunter, Clive, Morganti, Raffaella, Axon, David, Koekemoer, Anton
Also archived in: arXiv:astro-ph/9902376 v1 26 Feb 1999
Padovani, Paolo, Morganti, Raffaella, Siebert, Joachim, Vagnetti, Fausto, Cimatti, Andrea
We present new BeppoSAX LECS, MECS and PDS observations of five lobe-dominated, broad-line active galactic nuclei selected from the 2-Jy sample of southern radio sources. These include three radio...
PKS2250-41 and the role of jet-cloud interactions in powerful radio galaxies (1999)
Villar-Martin, Montse, Tadhunter, Clive, Morganti, Raffaella, Axon, David, Koekemoer, Anton
Also archived in: arXiv:astro-ph/9901201 v1 15 Jan 1999 AND Proceedings of the III National Astronomical Meeting of Spain, March 1998.
PKS2250-41 and the role of jet-cloud interactions in powerful radio galaxies (1999)
Villar-Martin, Montse, Tadhunter, Clive, Morganti, Raffaella, Axon, David, Koekemoer, Anton
Also archived in: arXiv:astro-ph/9901201 v1 15 Jan 1999 AND Proceedings of the III National Astronomical Meeting of Spain, March 1998.
Morphology and kinematics of HI in dust-lane elliptical galaxies (1998)
Morganti, Raffaella, Oosterloo, Tom, Sadler, Elaine, Vergani, Daniela
We present the results of the HI observations of four dust-lane ellipticals. The HI detected is regularly distributed in disks or rings. Moreover, in three of the four objects we have detected a very...
HI in Low-Luminosity Early-Type Galaxies (1998)
Oosterloo, Tom, Morganti, Raffaella, Sadler, Elaine
We discuss the properties of the HI in low-luminosity early-type galaxies. The morphology of the HI is more regular than that of the HI in many more-luminous early-type galaxies. The HI is always...
The nature of the optical: Radio correlations for powerful radio galaxies (1998)
Tadhunter, Clive, Morganti, Raffaella, Robinson, Andrew, Dickson, Robert, Villar-Martin, Montse, Fosbury, Robert
Also archived in: arXiv:astro-ph/9807238 v1 23 Jul 1998
PKS 1932-464: A jet-cloud interaction in a radio galaxy? (1998)
Villar-Martin, Montse, Tadhunter, Clive, Morganti, Raffaella, Clark, Nigel, Killeen, Neil, Axon, David
Also archived in: arXiv:astro-ph/9801039 v1 6 Jan 1998