Böhringer, H.; Matsushita, K.; Churazov, E.; Finoguenov, A.; Ikebe, Y.: Implications of the central metal abundance peak in cooling core clusters of galaxies. Astronomy & Astrophysics 416 (3), pp. L21 - L25 (2004)

Churazov, E.; Forman, W.; Jones, C.; Sunyaev, R.; Böhringer, H.: XMM-Newton observations of the Perseus cluster- II. evidence for gas motions in the core. Monthly Notices of the Royal Astronomical Society 347 (1), pp. 29 - 35 (2004)

Fabian, A. C.; Miniutti, G.; Gallo, L.; Boller, T.; Tanaka, Y.; Vaughan, S.; Ross, R. R.: X-ray reflection in the narrow-line Seyfert 1 galaxy 1H 0707-495. Monthly Notices of the Royal Astronomical Society 353 (4), pp. 1071 - 1077 (2004)

Fuhrmann, K.: Nearby stars of the Galactic disk and halo. III. Astronomische Nachrichten 325 (1), pp. 3 - 80 (2004)

Gallo, L. C.; Boller, T.; Brandt, W. N.; Fabian, A. C.; Vaughan, S.: I Zw 1 observed with XMM-Newton. Astronomy & Astrophysics 417 (1), pp. 29 - 38 (2004)

Gallo, L. C.; Boller, T.; Brandt, W. N.; Fabian, A. C.; Vaughan, S.: The narrow-line quasar NAB 0205+024 observed with XMM-Newton. Monthly Notices of the Royal Astronomical Society 355 (2), pp. 330 - 335 (2004)

Gallo, L. C.; Boller, T.; Tanaka, Y.; Fabian, A. C.; Brandt, W. N.; Welsh, W. F.; Anabuki, N.; Haba, Y.: The X-ray variability of the narrow-line type 1 Seyfert galaxy IRAS 13224-3809 from an XMM-Newton observation. Monthly Notices of the Royal Astronomical Society 347 (1), pp. 269 - 276 (2004)

Gleissner, T.; Wilms, J.; Pooley, G. G.; Nowak, M. A.; Pottschmidt, K.; Markoff, S.; Heinz, S.; Klein-Wolt, M.; Fender, R. P.; Staubert, R.: Long term variability of Cygnus X-1. III. Radio-X-ray correlations. Astronomy & Astrophysics 425 (3), pp. 1061 - 1068 (2004)

Haberl, F.; Zavlin, V. E.; Trümper, J.; Burwitz, V.: A phase-dependent absorption line in the spectrum of the X-ray pulsar RX J0720.4-3125. Astronomy & Astrophysics 419 (3), pp. 1077 - 1085 (2004)

Iyudin, A. F.; Böhringer, H.; Dogiel, V.; Morfill, G.: Gamma-ray line emission from galaxy clusters. Astronomy & Astrophysics 413 (3), pp. 817 - 825 (2004)

Kaastra, J. S.; Tamura, T.; Peterson, J. R.; Bleeker, J. A. M.; Ferrigno, C.; Kahn, S. M.; Paerels, F. B. S.; Piffaretti, R.; Branduardi-Raymont, G.; Böhringer, H.: Spatially resolved X-ray spectroscopy of cooling clusters of galaxies. Astronomy & Astrophysics 413 (2), pp. 415 - 439 (2004)

Nicastro, L.; Cusumano, G.; Löhmer, O.; Kramer, M.; Kuiper, L.; Hermsen, W.; Mineo, T.; Becker, W.: BeppoSAX observation of PSR B1937+21. Astronomy & Astrophysics 413 (3), pp. 1065 - 1072 (2004)

Pierini, D.; Maraston, C.; Bender, R.; Witt, A. N.: Extremely red galaxies: dust attenuation and classification. Monthly Notices of the Royal Astronomical Society 347 (1), pp. 1 - 16 (2004)

Pietsch, W.; Mochejska, B. J.; Misanovic, Z.; Haberl, F.; Ehle, M.; Trinchieri, G.: The eclipsing massive X-ray binary M 33 X-7: New X-ray observations and optical identification. Astronomy & Astrophysics 413, pp. 879 - 887 (2004)

Porquet, D.; Kaastra, J. S.; Page, K. L.; O'Brien, P. T.; Ward, M. J.; Dubau, J.: XMM-Newton observation of the Seyfert 1 ESO 198-G24. Astronomy & Astrophysics 413 (3), pp. 913 - 920 (2004)

Sakano, M.; Warwick, R. S.; Decourchelle, A.; Predehl, P.: XMM-Newton observations of Sagittarius A East. Monthly Notices of the Royal Astronomical Society 350 (1), pp. 129 - 139 (2004)

Salvato, M.; Greiner, J.; Kuhlbrodt, B.: Multiwavelength scaling relations for nuclei of Seyfert galaxies. The Astrophysical Journal 600, pp. L31 - L34 (2004)

Vignali, C.; Brandt, W. N.; Boller, T.; Fabian, A. C.; Vaughan, S.: Arakelian 564: an XMM-Newton view. Monthly Notices of the Royal Astronomical Society 347 (3), pp. 854 - 860 (2004)

Wermes, N.; Andricek, L.; Fischer, P.; Haerter, M.; Heinzinger, K.; Herrmann, S.; Karagounis, M.; Kohrs, R.; Krueger, H.; Lutz, G. et al.; Lechner, P.; Peric, I.; Porro, M.; Richter, R. H.; Schaller, G.; Schnecke-Radau, M.; Schopper, F.; Soltau, H.; Strueder, L.; Trimpl, M.; Ulrici, J.; Treis, J.: New results on DEPFET pixel detectors for radiation imaging and high energy particle detection. IEEE Transactions on Nuclear Science 51 (3), pp. 1121 - 1128 (2004)

Worsley, M. A.; Fabian, A. C.; Barcons, X.; Mateos, S.; Hasinger, G.; Brunner, H.: The (un)resolved X-ray background in the Lockman Hole. Monthly Notices of the Royal Astronomical Society 352 (3), pp. L28 - L33 (2004)