7.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- National Institute for AstrophysicsIT1.2k papers
- University of BolognaIT1.1k papers
- Centre National de la Recherche ScientifiqueFR830 papers
- Leiden UniversityNL562 papers
- University of PaduaIT461 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR449 papers
- Astrophysique, Instrumentation et ModélisationFR424 papers
- Center for Astrophysics Harvard & SmithsonianUS420 papers
- Netherlands Institute for Radio AstronomyNL418 papers
- Osservatorio Astronomico di PadovaIT411 papers
- Osservatorio astronomico di BolognaIT398 papers
- California Institute of TechnologyUS397 papers
66 papers · 1 filter
Cavities and shocks in the galaxy group HCG 62 as revealed by Chandra, XMM and GMRT data
Myriam Gitti, Ewan O'Sullivan, Simona Giacintucci +4
We report on the results of an analysis of Chandra, XMM-Newton and new GMRT data of the X-ray bright compact group of galaxies HCG 62, which is one of the few groups known to posse…
Molecular Gas in NUclei of GAlaxies (NUGA) XIII. The interacting Seyfert 2/LINER galaxy NGC 5953
V. Casasola, L. K. Hunt, F. Combes +5
We present CO(1--0) and CO(2--1) maps of the interacting Seyfert 2/LINER galaxy NGC 5953 obtained with the IRAM interferometer at resolutions of 2\farcs1 1\f…
A double radio halo in the close pair of galaxy clusters Abell 399 and Abell 401
M. Murgia, F. Govoni, L. Feretti +1
Radio halos are faint radio sources usually located at the center of merging clusters of galaxies. These diffuse radio sources are rare, having so far been found only in about 30 c…
Radio-Loud Narrow-Line Seyfert 1 as a New Class of Gamma-Ray AGN
LAT Collaboration, G. Ghisellini, L. Maraschi +1
We report the discovery with Fermi/LAT of gamma-ray emission from three radio-loud narrow-line Seyfert 1 galaxies: PKS 1502+036 (z=0.409), 1H 0323+342 (z=0.061) and PKS 2004-447 (z…
The ATESP 5 GHz radio survey. III. 4.8, 8.6 and 19 GHz follow-up observations of radio galaxies
I. Prandoni, H. R. de Ruiter, R. Ricci +3
[Abridged] Physical and evolutionary properties of the sub-mJy radio population are not entirely known. The radio/optical analysis of the ATESP 5 GHz sample has revealed a signific…
The last breath of the young gigahertz-peaked spectrum radio source PKS 1518+047
M. Orienti, M. Murgia, D. Dallacasa
We present the results from multi-frequency VLBA observations from 327 MHz to 8.4 GHz of the gigahertz-peaked spectrum radio source PKS 1518+047 (4C 04.51) aimed at studying the sp…
Radio structures of the nuclei of nearby Seyfert galaxies and the nature of the missing diffuse emission
M. Orienti, M. A. Prieto
We present archival high spatial resolution VLA and VLBA data of the nuclei of seven of the nearest and brightest Seyfert galaxies in the Southern Hemisphere. At VLA resolution (~0…
An optical spectroscopic survey of the 3CR sample of radio galaxies with z<0.3. II. Spectroscopic classes and accretion modes in radio-loud AGN
Sara Buttiglione, Alessandro Capetti, Annalisa Celotti +4
We use the emission line measurements of 3CR radio sources with redshift < 0.3, to explore their spectroscopic properties. The 3CR sources show a bimodal distribution of Excitation…
Properties and environment of Radio Emitting Galaxies in the VLA-zCOSMOS survey
S. Bardelli, E. Schinnerer, V. Smolcic +62
We investigate the properties and the environment of radio sources with optical counterpart from the combined VLA-COSMOS and zCOSMOS samples. The advantage of this sample is the av…
The VIMOS VLT Deep Survey: the group catalogue
O. Cucciati, C. Marinoni, A. Iovino +39
[Abridged] We present a homogeneous and complete catalogue of optical groups identified in the purely flux limited (17.5<=I<=24.0) VIMOS-VLT Deep Survey (VVDS). We use mock catalog…
The faintest Seyfert radio cores revealed by VLBI
Marcello Giroletti, Francesca Panessa
In this letter, we report on dual-frequency European VLBI Network (EVN) observations of the faintest and least luminous radio cores in Seyfert nuclei, going to sub-mJy flux densiti…
Multiwavelength monitoring of the enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in March-July 2009
LAT Collaboration, E. Angelakis, C. Bailyn +39
Following the recent discovery of gamma rays from the radio-loud narrow-line Seyfert 1 galaxy PMN J0948+0022 (z=0.5846), we started a multiwavelength campaign from radio to gamma r…
Kinematics of the parsec-scale radio jet in 3C48
T. An, X. Y. Hong, M. J. Hardcastle +6
We present results on the compact steep-spectrum quasar 3C 48 from observations with the VLBA, MERLIN and EVN at multiple radio frequencies. In the 1.5-GHz VLBI images, the radio j…
Fermi Large Area Telescope Gamma-Ray Detection of the Radio Galaxy M87
The Fermi LAT Collaboration, A. A. Abdo, D. E. Harris +2
We report the Fermi-LAT discovery of high-energy (MeV/GeV) gamma-ray emission positionally consistent with the center of the radio galaxy M87, at a source significance of over 10 s…
VLBA polarimetric observations of the CSS quasar 3C147
A. Rossetti, F. Mantovani, D. Dallacasa +3
Aims. We report new VLBA polarimetric observations of the compact steep-spectrum (CSS) quasar 3C147 (B0538+498) at 5 and 8.4GHz. Methods. By using multifrequency VLBA observations,…
Unveiling radio halos in galaxy clusters in the LOFAR era
R. Cassano, G. Brunetti, H. J. A. Rottgering +1
Giant radio halos are mega-parsec scale synchrotron sources detected in a fraction of massive and merging galaxy clusters. Radio halos provide one of the most important pieces of e…
Cosmic rays in magnetized intracluster plasma
L. Feretti, A. Bonafede, G. Giovannini +2
Recent results are reported on Magnetic Fields in Clusters of Galaxies, Diffuse Radio Emission, and Radio - X-ray connection in Radio Halos.
The core fundamental plane of B2 radio galaxies
D. Bettoni, R. Falomo, P. Parma +2
The photometric, structural and kinematical properties of the centers of elliptical galaxies, harbor important information of the formation history of the galaxies. In the case of…
Mid- and Far-infrared Luminosity Functions and Galaxy Evolution from Multiwavelength Spitzer Observations up to z~2.5
G. Rodighiero, M. Vaccari, A. Franceschini +25
[Abridged]We exploit a large homogeneous dataset to derive a self-consistent picture of IR emission based on the time-dependent 24, 15, 12 and 8micron monochromatic and bolometric…
The Mixing and Transport Properties of the Intra Cluster Medium: a numerical study using tracers particles
F. Vazza, C. Gheller, G. Brunetti
We present a study of the mixing properties of the simulated intra cluster Medium, using tracers particles that are advected by the gas flow during the evolution of cosmic structur…
A giant radio halo in the massive and merging cluster Abell 1351
S. Giacintucci, T. Venturi, R. Cassano +2
We report on the detection of diffuse radio emission in the X-ray luminous and massive galaxy cluster A1351 (z=0.322) using archival Very Large Array data at 1.4 GHz. Given its cen…
Constraining relativistic protons and magnetic fields in galaxy clusters through radio and gamma-ray observations : the case of A2256
G. Brunetti
Giant radio halos are the most relevant examples of diffuse synchrotron emission from galaxy clusters. A number of these sources have very steep spectrum, with spectral index $α\ge…
On the evolution of giant radio halos and their connection with cluster mergers
G. Brunetti, R. Cassano, K. Dolag +1
Giant radio halos are diffuse, Mpc-scale, synchrotron sources located in the central regions of galaxy clusters and provide the most relevant example of cluster non-thermal activit…
Radio halos in nearby (z < 0.4) clusters of galaxies
G. Giovannini, A. Bonafede, L. Feretti +4
The Intra-Cluster Medium is characterized by thermal emission, and by the presence of large scale magnetic fields. In some clusters of galaxies a diffuse non-thermal emission is al…