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Rau, A.; Greiner, J.: Comptonization and reflection of X-ray radiation and the X-ray- radio correlation in the chi-states of GRS 1915+105. Astronomy & Astrophysics 397 (2), pp. 711 - 722 (2003)

Sakano, M.; Warwick, R. S.; Decourchelle, A.; Predehl, P.: The discovery of a new non-thermal X-ray filament near the Galactic Centre. Monthly Notices of the Royal Astronomical Society 340, pp. 747 - 751 (2003)

Sanderson, A. J. R.; Ponman, T. J.; Finoguenov, A.; Lloyd-Davies, E. J.; Markevitch, M.: The Birmingham-CfA cluster scaling Project – I. Gas fraction and the M-Tx relation. Monthly Notices of the Royal Astronomical Society 340, pp. 989 - 1010 (2003)

Sasaki, M.; Pietsch, W.; Haberl, F.: XMM-Newton observations of High Mass X-ray Binaries in the SMC. Astronomy & Astrophysics 403, pp. 901 - 916 (2003)

Sato, Y.; Kawara, K.; Cowie, L. L.; Taniguchi, Y.; Sanders, D. B.; Matsuhara, H.; Okuda, H.; Wakamatsu, K.; Sofue, Y.; Joseph, R. D. et al.; Matsumoto, T.: A deep 6.7 μm survey in the SSA13 field with ISO. Astronomy & Astrophysics 405, pp. 833 - 849 (2003)

Schuecker, P.; Caldwell, R. R.; Böhringer, H.; Collins, C. A.; Guzzo, L.; Weinberg, N. N.: Observational constraints on general relativistic energy conditions, cosmic matter density and dark energy from X-ray clusters of galaxies and type-Ia supernovae. Astronomy & Astrophysics 402, pp. 53 - 63 (2003)

Severgnini, P.; Caccianiga, A.; Braito, V.; Della Ceca, R.; Maccacaro, T.; Wolter, A.; Sekiguchi, K.; Sasaki, T.; Yoshida, M.; Akiyama, M. et al.; Watson, M. G.; Barcons, X.; Carrera, F. J.; Pietsch, W.; Webb, N. A.: XMM-Newton observations reveal AGN in apparently normal galaxies. Astrophysics & Astronomy 406, DOI: 10.1051/0004-6361:20030625, pp. 483 - 492 (2003)

Staubert, R.; Friedrich, S.; Pottschmidt, K.; Benlloch, S.; Schuh, S. L.; Kroll, P.; Splittgerber, E.; Rothschild, P.: The near-synchronous polar V1432 Apl (RX J1940.1-1025): accretion geometry and synchronization time scale. Astronomy & Astrophysics 407, pp. 987 - 998 (2003)

Stelzer, B.; Burwitz, V.: Castor A and Castor B resolved in a simultaneous Chandra and XMM-Newton observation. Astronomy & Astrophysics 402, pp. 719 - 728 (2003)

Stelzer, B.; Fernández, M.; Costa, V. M.; Gameiro, J. F.; Grankin, K.; Henden, A.; Guenther, E.; Mohanty, S.; Flaccomio, E.; Burwitz, V. et al.; Jayawardhana, R.; Predehl, P.; Durisen, R. H.: The weak-line T Tauri star V419Tau. I. A multli-wavelength study of variability. Astronomy & Astrophysics 411, pp. 517 - 531 (2003)

Tanaka, Y.; Ueda, Y.; Boller, T.: ASCA observation of a dip of GRO J1655-40: evidence for partial covering and its implication. Monthly Notices of the Royal Astronomical Society 338 (1), pp. L1 - L4 (2003)

Trinchieri, G.; Sulentic, J.; Breitschwerdt, D.; Pietsch, W.: Stephan’s Quintet: The X-ray anatomy of a multiple galaxy collision. Astronomy & Astrophysics 401, pp. 173 - 183 (2003)

Wu, J.-H.; He, X.-T.; Chen, Y.; Voges, W.: Discovery of five Narrow-Line Seyfert 1 galaxies and implications on the NLS1 model. Chinese Journal of Astronomy and Astrophysics 3 (5), pp. 423 - 430 (2003)

Zickgraf, F.-J.; Engels, D.; Hagen, H.-J.; Reimers, D.; Voges, W.: The Hamburg/RASS Catalogue of optical identifications. Northern high-galactic latitude ROSAT Bright Source Catalogue X-ray sources. Astrophysics & Astronomy 406, DOI: 10.1051/0004-6361:20030679, pp. 535 - 553 (2003)

Zimmermann, H.-U.; Aschenbach, B.: XMM-Newton observation of SN 1993J in M81. Astrophysics & Astronomy 406, DOI: 10.1051/0004-6361:20030687, pp. 969 - 974 (2003)

Ezoe, Y.-i.; Iyomoto, N.; Makishima, K.; Hasinger, G.: Long-term X-ray variability of quasars in the Lockman Hole field observed with ROSAT. Publication of the Astronomical Society of Japan 54 (6), pp. 981 - 986 (2002)

Dogiel, V. A.; Inoue, H.; Masai, K.; Schönfelder, V.; Strong, A. W.: The origin of diffuse X-ray emission from the galactic ridge. I. Energy output of particle sources. The Astrophysical Journal 581 (2), pp. 1061 - 1070 (2002)

Le Floc'h, E.; Duc, P. A.; Mirabel, I. F.; Sanders, D. B.; Bosch, G.; Rodrigues, I.; Courvoisier, T. J. L.; Mereghetti, S.; Melnick, J.: Very large telescope and Hubble Space Telescope observations of the host galaxy of GRB 990705. The Astrophysical Journal 581 (2), pp. L81 - L84 (2002)

Masai, K.; Dogiel, V. A.; Inoue, H.; Schonfelder, V.; Strong, A. W.: The origin of diffuse X-ray emission from the Galactic ridge. II. Nonequilibrium emission due to in situ accelerated electrons. The Astrophysical Journal 581 (2), pp. 1071 - 1079 (2002)