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)

Mereghetti, S.; De Luca, A.; Caraveo, P. A.; Becker, W.; Mignani, R.; Bignami, G. F.: Pulse phase variations of the X-ray spectral features in the radio-quiet neutron star 1E 1207-5209. The Astrophysical Journal 581 (2), pp. 1280 - 1285 (2002)

Boese, F. G.: Asymptotical stability of partial difference equations with variable coefficients. Journal of Mathematical Analysis and Applications 276 (2), pp. 709 - 722 (2002)

Boumis, P.; Mavromatakis, F.; Paleologou, E. V.; Becker, W.: New optical filamentary structures in Pegasus. Astronomy & Astrophysics 396 (1), pp. 225 - 234 (2002)

Evans, A. S.; Mazzarella, J. M.; Surace, J. A.; Sanders, D. B.: Molecular gas and nuclear activity in ultraluminous infrared galaxies with double nuclei. The Astrophysical Journal 580 (2), pp. 749 - 762 (2002)

Kim, D.-C.; Veilleux, S.; Sanders, D. B.: Optical and near-infrared imaging of the IRAS 1 Jy sample of ultraluminous infrared galaxies. I. The atlas. The Astrophysical Journal Supplement Series 143 (2), pp. 277 - 314 (2002)

Mayer-Hasselwander, H. A.: Gamma rays probing the 'high-energy' Universe. Nuclear Physics B-Proceedings Supplements 113, pp. 32 - 39 (2002)

Mignani, R. P.; De Luca, A.; Caraveo, P. A.; Becker, W.: Hubble Space Telescope proper motion confirms the optical identification of the nearby pulsar PSR 1929+10. The Astrophysical Journal 580 (2), pp. L147 - L150 (2002)

Neuhäuser, R.; Guenther, E.; Mugrauer, M.; Ott, T.; Eckart, A.: Infrared imaging and spectroscopy of companion candidates near the young stars HD 199143 and HD 358623 in Capricornius. Astronomy & Astrophysics 395 (3), pp. 877 - 883 (2002)

Schwope, A. D.; Brunner, H.; Buckley, D.; Greiner, J.; van der Heyden, K.; Neizvestny, S.; Potter, S.; Schwarz, R.: The census of cataclysmic variables in the ROSAT Bright Survey. Astronomy & Astrophysics 396 (3), pp. 895 - 910 (2002)

Veilleux, S.; Kim, D.-C.; Sanders, D. B.: Optical and near-infrared imaging of the IRAS 1 Jy sample of ultraluminous infrared galaxies. II. The analysis. The Astrophysical Journal Supplement Series 143 (2), pp. 315 - 376 (2002)

Wuchterl, G.: Die Ordnung der Planetenbahnen. Teil 2: Auf dem Weg zu einem neuen Verständnis. Sterne und Weltraum 41 (12), pp. 32 - 41 (2002)

Zhang, S.; Collmar, W.; Schonfelder, V.: An unidentified variable gamma-ray source near the galactic plane detected by COMPTEL. Astronomy & Astrophysics 396 (3), pp. 923 - 928 (2002)

Vaughan, S.; Boller, T.; Fabian, A. C.; Ballantyne, D. R.; Brandt, W. N.; Trümper, J.: An XMM-Newton observation of Ton S180: constraints on the continuum emission in ultrasoft Seyfert galaxies. Monthly Notices of the Royal Astronomical Society 337 (1), pp. 247 - 255 (2002)