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

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

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

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

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

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 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 TNG EROs Spectroscopic Identification Survey (TESIS)

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

2003, Conference proceedings "Multiwavelength Cosmology" Mykonos, June 2003 [astro-ph/0309289]

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

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