The resolved fraction of the Cosmic X--Ray Background

Moretti, A. , Campana, S. , Lazzati, D., Tagliaferri, G.

2003, The Astrophysical Journal, Volume 588, Issue 2, pp. 696-703.

Citations: 299     I.F.: 224.25        Citations/Authors: 74.75

The Jet-Disk Connection and Blazar Unification

Maraschi, L., Tavecchio, F.

2003, The Astrophysical Journal, Volume 593, Issue 2, pp. 667-675.

Citations: 157     I.F.: 78.5        Citations/Authors: 78.5

XMM-Newton observations reveal AGN in apparently normal galaxies

Severgnini, P. , Caccianiga, A. , Braito, V. , Della Ceca, R. , Maccacaro, T. , Wolter, A. , Sekiguchi, K., Sasaki, T., Yoshida, M., Akiyama, M., Watson, M.G., et al.

Severgnini, P. , Caccianiga, A. , Braito, V. , Della Ceca, R. , Maccacaro, T. , Wolter, A. , Sekiguchi, K., Sasaki, T., Yoshida, M., Akiyama, M., Watson, M.G., Barcons, X., Carrera, F.J., Pietsch, W., and Webb, N.A.

2003, Astronomy and Astrophysics, v.406, p.483-492 (2003)

Citations: 88     I.F.: 35.2        Citations/Authors: 5.87

Coordinated Multiwavelength observations of BL Lacertae in 2000

Bottcher, M., Marscher, A.P., Ravasio, M. , ...., .., Tagliaferri, G. , Ghisellini, G. , ...(other 17 authors).

2003, The Astrophysical Journal, Volume 596, Issue 2, pp. 847-859.

Citations: 60     I.F.: 30        Citations/Authors: 10

An XMM-Newton hard X-ray survey of ultraluminous infrared galaxies

Franceschini, A., Braito, V. , Persic, M., Della Ceca, R. , Bassani, L., Cappi, M., Malaguti, Palumbo, G.G.C., Risaliti, G., Salvati, M., Severgnini, P.

2003, Monthly Notice of the Royal Astronomical Society, Volume 343, Issue 4, pp. 1181-1194.

Citations: 137     I.F.: 27.4        Citations/Authors: 13.7

The BL Lacertae objects OQ 530 and S5 0716+714. Simultaneous observations in the X-rays, radio, optical and TeV bands

Tagliaferri, G. , Ravasio, M. , Ghisellini, G. , Giommi, P., Massaro, E., Nesci, R., Tosti, G., Aller, M. F., Aller, H.D., Celotti, A., Maraschi, L., et al.

Tagliaferri, G. , Ravasio, M. , Ghisellini, G. , Giommi, P., Massaro, E., Nesci, R., Tosti, G., Aller, M. F., Aller, H.D., Celotti, A., Maraschi, L., Tavecchio, F. , Wolter, A.

2003, Astronomy and Astrophysics, v.400, p.477-486 (2003)

Citations: 57     I.F.: 21.92        Citations/Authors: 4.38

BeppoSAX and multiwavelength observations of BL Lacertae in 2000

Ravasio, M. , Tagliaferri, G. , Ghisellini, G. , Tavecchio, F. , Bottcher, M., Sikora, M.

2003, Astronomy and Astrophysics, v.408, p.479-491 (2003)

Citations: 30     I.F.: 20        Citations/Authors: 5

Clumps in large scale relativistic jets

Tavecchio, F. , Ghisellini, G. , Celotti, A.

2003, Astronomy and Astrophysics, v.403, p.83-91 (2003)

Citations: 27     I.F.: 18        Citations/Authors: 9

A Hard Medium Survey with ASCA. IV.: the Radio-Loud Type 2 QSO AX J0843+2942

Della Ceca, R. , Braito, V. , Beckmann, V., Caccianiga, A. , Cagnoni, I., Gioia, I.M., Maccacaro, T. , Severgnini, P. , & Wolter, A.

2003, Astronomy and Astrophysics, v.406, p.555-563 (2003)

Citations: 17     I.F.: 17        Citations/Authors: 17

The HELLAS2XMM survey. IV. Optical identifications and the evolution of the accretion luminosity in the Universe

Fiore, F., Brusa, M., Cocchia, F., Baldi, A., Carangelo, N., Ciliegi, P., Comastri, A., La Franca, F., Maiolino, R., Matt, G., Molendi, S., et al.

Fiore, F., Brusa, M., Cocchia, F., Baldi, A., Carangelo, N., Ciliegi, P., Comastri, A., La Franca, F., Maiolino, R., Matt, G., Molendi, S., Mignoli, M., Perola, G. C., Severgnini, P. , Vignali, C.

2003, Astronomy and Astrophysics, v.409, p.79-90 (2003)

Citations: 231     I.F.: 15.4        Citations/Authors: 15.4

XMM-Newton observations of ULIRGs: A Compton-thick AGN in IRAS 19254-7245

Braito, V. , Franceschini, A., Della Ceca, R. , Severgnini, P. , Bassani, L., Cappi, M., Malaguti, Palumbo, G.G.C., Persic, M., Risaliti, G., and Salvati, M.

2003, Astronomy and Astrophysics, v.398, p.107-111 (2003)

Citations: 31     I.F.: 9.3        Citations/Authors: 3.1

X-ray and optical observations of BL Lac objects: 3C 66A (B0219+428) and ON235 (B1215+303)

Perri, M., Massaro, E., Giommi, P., Capalbi, M., Nesci, R., Tagliaferri, G. , Ghisellini, G. , Ravasio, M. , Miller, H.

2003, Astronomy and Astrophysics, v.407, p.453-460 (2003)

Citations: 26     I.F.: 8.67        Citations/Authors: 2.89

Wide band X-ray and optical observations of the BL Lac object 1ES 1959+650 in high state

Tagliaferri, G. , Ravasio, M. , Ghisellini, G. , Tavecchio, F. , Giommi, P., Massaro, E., Nesci, R., Tosti, G.

2003, Astronomy and Astrophysics, v.412, p.711-720 (2003)

Citations: 16     I.F.: 8        Citations/Authors: 2

Chandra Observations of Nuclear X-ray Emission from a Sample of Radio Sources

Gambill, J. K., Sambruna, R. M., Chartas, G.. Cheung C. C., Maraschi, L., Tavecchio, F. , Urry, C.M., Pesce, J. E.

2003, Astronomy and Astrophysics, v.401, p.505-517 (2003)

Citations: 44     I.F.: 6.29        Citations/Authors: 6.29

Revealing the Active Galactic Nucleus in the Superantennae through L-Band Spectroscopy

Risaliti, G., Maiolino, R., Marconi, A., Bassani, L., Berta, S., Braito, V. , Della Ceca, R. , Franceschini, A., Salvati, M.

2003, The Astrophysical Journal, Volume 595, Issue 1, pp. L17-L20.

Citations: 24     I.F.: 5.33        Citations/Authors: 2.67

Optical and X-ray observations of the two BL Lac objects OJ 287 and MS 1458+22

Massaro, E., Giommi, P., Perri, M., Tagliaferri, G. , Nesci, R., Tosti, G., Ciprini, S., Montagni, F., Ravasio, M. , Ghisellini, G. , Frasca, A., et al.

Massaro, E., Giommi, P., Perri, M., Tagliaferri, G. , Nesci, R., Tosti, G., Ciprini, S., Montagni, F., Ravasio, M. , Ghisellini, G. , Frasca, A., Marilli, E., Valentini, G., Kurtanidzs, O., N., M.

2003, Astronomy and Astrophysics, v.399, p.33-38 (2003)

Citations: 19     I.F.: 3.8        Citations/Authors: 1.27

The HELLAS2XMM survey. III. Multiwavelength observations of hard X-ray selected sources in the PKS 0312-77 field

Brusa, M., Comastri, A., Mignoli, M., Fiore, F., Ciliegi, P., Vignali, C., Severgnini, P. , Cocchia, F., La Franca, F., Matt, G., Perola, G. C., et al.

2003, Astronomy and Astrophysics, v.409, p.65-78 (2003)

Citations: 53     I.F.: 3.79        Citations/Authors: 3.79

Detection of X-ray Emission from the Eastern Radio Lobe of PICTOR A

Grandi, P., Guainazzi, M., Maraschi, L., Morganti, R., Fusco-Femiano, R., Fiocchi, M., Ballo, L., Tavecchio, F.

2003, The Astrophysical Journal, Volume 586, Issue 1, pp. 123-127.

Citations: 19     I.F.: 2.38        Citations/Authors: 2.38

The XMM-Newton serendipitous source catalogue

Watson, M. G., Pye, J. P., Denby, M., Osborne, J. P., Barret, D., Boller, Th., Brunner, H., Ceballos, M. T., Della Ceca, R. , Fyfe, D. J., Lamer, G., et al.

Watson, M. G., Pye, J. P., Denby, M., Osborne, J. P., Barret, D., Boller, Th., Brunner, H., Ceballos, M. T., Della Ceca, R. , Fyfe, D. J., Lamer, G., Maccacaro, T. , Michel, L., Motch, C., Pietsch, W., Saxton, R. D., Schröder, A. C., Stewart, I. M., Tedds, J. A., Webb, N.

2003, Astronomische Nachrichten, Vol. 324, No. 1-2, Issue 1, p. 89-92

Citations: 20     I.F.: 2        Citations/Authors: 1

The X-Ray Spectrum of the Seyfert I Galaxy Markarian 766: Dusty Warm Absorber or Relativistic Emission Lines?

Mason, K. O., Branduardi-Raymont, G., Ogle, P. M., Page, M.J., Puchnarewicz, E. M., Behar, E., Cordova, F. A., Davis, S., Maraschi, L., McHardy, I. M., O'Brien, P. T. Priedhorsky, T. P.

Mason, K. O., Branduardi-Raymont, G., Ogle, P. M., Page, M.J., Puchnarewicz, E. M., Behar, E., Cordova, F. A., Davis, S., Maraschi, L., McHardy, I. M., O'Brien, P. T. Priedhorsky, W. C., Sasseen, T. P.

2003, ApJ, 582, 95

Citations: 35     I.F.: 0        Citations/Authors: 2.92

Broad-band continuum and line emission of the gamma-ray blazar PKS 0537-441

Pian, E., Falomo, R., Hartman, R. C., Maraschi, L., Tavecchio, F. , Tornikoski, M., Treves, A., Urry, C. M., Ballo, L., Mukherjee, R., Scarpa, R., et al.

2003, A&A, 392, 407

Wide band X-ray and optical observation of the BL Lac object 1ES 1959+650 in high state

Tagliaferri, G. , Ravasio, M. , Ghisellini, G. , Tavecchio, F. , Giommi, P., Massaro, E., Nesci, R., Tosti, G.

2003, A&A, 412, 711

XMM-Newton Observations of a Possible Light Echo in the Seyfert 1 Nucleus of NGC 4051

Mason, K. O., McHardy, I. M., Page, M. J., Uttley, P., Cordova, F. A., Maraschi, L., Priedhorsky, W. C. Puchnarewicz, E. M., Sasseen, T.

2003, ApJ, 580, 117

Spectra and power of relativistic jets

Ghisellini, G.

2003, New Astronomy Reviews, Volume 47, Issue 6-7, p. 411-415.

Citations: 5     I.F.: 5        Citations/Authors: 5

Jets at different scales

Maraschi, L.

2003, Active Galactic Nuclei: from Central Engine to Host Galaxy Abstract Book, meeting held in Meudon, France, 2002 July 23-27, 2002, Eds.: S. Collin, F. Combes and I. Shlosman. To be published in ASP (Astronomical Society of the Pacific), Conference Series (2003, agnc, conf, 275)

Citations: 4     I.F.: 0        Citations/Authors: 4

Jets in active galaxies

Tavecchio, F.

2003, American Astronomical Society, HEAD meeting #7, #23.01; Bulletin of the American Astronomical Society, Vol. 35, p.645

Arp 299: a second merging system with two active nuclei?

Ballo, L., Braito, V. , Della Ceca, R. , Maraschi, L., Dadina, M.

2003, The Astrophysical Journal, Volume 600, Issue 2, pp. 634-639.

Citations: 101     I.F.: 40.4        Citations/Authors: 20.2

The SED of the TeV BL Lac 1ES 1426+428 after correction for the TeV-IR absorption

Costamante, L., Aharonian, F., Ghisellini, G. , Horns, D.

2003, New Astronomy Reviews, Volume 47, Issue 6-7, p. 677-680.

Citations: 21     I.F.: 5.25        Citations/Authors: 5.25

On the content of jets

Celotti, A. & Ghisellini, G.

2003, Active Galactic Nuclei: from Central Engine to Host Galaxy, meeting held in Meudon, France, July 23-27, 2002, Eds.: S. Collin, F. Combes and I. Shlosman. ASP (Astronomical Society of the Pacific), Conference Series, Vol. 290, p. 327.

Citations: 1     I.F.: 1        Citations/Authors: 1

Synchrotron X-ray Emission from Flat-spectrum Radio Quasars

Padovani, P., Costamante, L., Ghisellini, G. , Giommi, P., Perlman, E.

2003, High Energy Blazar Astronomy, ASP Conference Proceedings, Vol. 299, held 17-21 June 2002 at Tuorla Observatory, Piikkio, Finland. Edited by Leo O. Takalo and Esko Valtaoja. ISBN: 1-58381-146-X. San Francisco: Astronomical Society of the Pacific, 2003. p.63.

Citations: 2     I.F.: 0.4        Citations/Authors: 0.4

The contribution of X-ray selected sources to the Sub-millimeter Background

Severgnini, P. , Maiolino, R., Brusa, M., Cimatti, A., Comastri, A., Fiore, F., Vignali, C.

2003, Galaxy Evolution: Theory & Observations (Eds. Vladimir Avila-Reese, Claudio Firmani, Carlos S. Frenk & Christine Allen) Revista Mexicana de Astronomía y Astrofísica (Serie de Conferencias) Vol. 17, pp. 270-270 (2003) (http://www.astroscu.unam.mx/~rmaa/)

Citations: 1     I.F.: 0.14        Citations/Authors: 0.14

Jets from subpc to kpc scale

Tavecchio, F.

2003, New Astronomy Reviews, Volume 47, Issue 6-7, p. 533-535.

Radio spectra of X-ray selected BL Lacs (the good old EMSS)

Wolter, A.

2003, Proceedings of the Second ENIGMA Meeting, held at Porto Venere, Italy, October 11-15, 2003, Eds.: C. M. Raiteri and M. Villata, Osservatorio Astronomico di Torino, Pino Torinese, Italy, p. 158-164.

Self consistent synchrotron self Compton emission

Tramacere, A., Ghisellini, G. , Mastichiadis, A., Tavecchio, F. , Tosti, G.

2003, Proceedings of the Second ENIGMA Meeting, held at Porto Venere, Italy, October 11-15, 2003, Eds.: C. M. Raiteri and M. Villata, Osservatorio Astronomico di Torino, Pino Torinese, Italy, p. 187-202.

The HELLAS2XMM 1dF survey: on the nature of high X-ray to optical flux ratio sources

Fiore, F., Brusa, M., Cocchia, F., Baldi, A., Carangelo, N., Ciliegi, P., Comastri, A., La Franca, F., Maiolino, R., Matt, G., Molendi, S., et al.

Fiore, F., Brusa, M., Cocchia, F., Baldi, A., Carangelo, N., Ciliegi, P., Comastri, A., La Franca, F., Maiolino, R., Matt, G., Molendi, S., Mignoli, M., Perola, G.C., Severgnini, P. , Vignali, C.

2003, Proc. of the "Multi-Wavelength Cosmology" Conference held in Mykonos, Greece, June 2003, ed.M. Plionis (Kluwer), [astro-ph/0310298]

The TESIS project: Are type 2 QSO hidden in X-ray emitting EROs?

Severgnini, P. , Della Ceca, R. , Braito, V. , Saracco, P. , Longhetti, M. , Bender, R., Drory, N., Feulner, G., Hopp, U., Mannucci, F., Maraston, C., et al.

2003, Multiwavelength mapping of galaxy formation and evolution, Proceedings of the ESO Workshop held at Venice, Italy, 13-16 October 2003. Edited by A. Renzini and R. Bender. Series Editor: Bruno Leibundgut, ESO, Garching, Germany. ESO astrophysics symposia. Library of Congress Catalog Card No. 2005925391. ISBN 10 3-540-25665-2; ISBN 13 978-540-25565-6; QB857.5.E96 E78 2003. Published by Springer, Berlin, 2005, p.459

The Ultra Luminous Infrared Galaxy MKN 231: New clues from BeppoSAX and XMM-Newton

Braito, V. , Della Ceca, R. , Piconcelli, E., Severgnini, P. , Bassani, L., Cappi, M., Franceschini, A., Iwasawa, K., Malaguti, G., Marziani, P., Palumbo, G.G.C., Salvati M.

Braito, V. , Della Ceca, R. , Piconcelli, E., Severgnini, P. , Bassani, L., Cappi, M., Franceschini, A., Iwasawa, K., Malaguti, G., Marziani, P., Palumbo, G.G.C., Persic, M., Risaliti, G., Salvati M.

2003, Proc. of the meeting: "The Restless High-Energy Universe" (Amsterdam, The Netherlands), E.P.J. van den Heuvel, J.J.M. in 't Zand, and R.A.M.J. Wijers Eds

XMM-Newton observations of ULIRGs: the AGN-starburst activity

Braito, V. , Della Ceca, R. , Severgnini, P. , Bassani, L., Cappi, M., Franceschini, A., Malaguti, G., Palumbo, G.G.C., Persic, M., Risaliti, G., Salvati M.

2003, "Multiwavelength Cosmology" Mykonos, June 2003, conference proceedings

XMM-Newton Survey of a Distance-limited Sample of Seyfert Galaxies: Preliminary Spectral Results

Cappi, M., Di Cocco, G., Panessa, F., Bassani, L., Caroli, E., Dadina, M., Comastri, A., Della Ceca, R. , Filippenko, A.V., Foschini, L. , Gianotti, F., G.

Cappi, M., Di Cocco, G., Panessa, F., Bassani, L., Caroli, E., Dadina, M., Comastri, A., Della Ceca, R. , Filippenko, A.V., Foschini, L. , Gianotti, F., Ho, L.C., Makishima, M., Malaguti, G., Mulchaey, J.S., Palumbo, G.G.C. Piconcelli, E., Sargent, W.L.W., Stephen, J., Trifoglio, M., Weaver, K., and Zamorani, G.

2003, To appear in "Carnegie Observatories Astrophysics Series, Vol. 1: Coevolution of Black Holes and Galaxies," ed. L. C. Ho (Pasadena: Carnegie Observatories), astro-ph/0303367.

Obscuration and reprocessing in the cosmic history of Active Galactic Nuclei

Matt, G., Braito, V. , Brusa, M., Bongardo, C., Caccianiga, A. , La Franca, F., Marconi, A., Marziani, P.

2003, in the Proc. of "XLVI Congresso Nazionale Societa` Astronomica Italiana", Padova (Italy), April 2003, Mem. Soc. Ast. It., Vol. 74, 367