Forbrich, J.; Schreyer, K.; Posselt, B.; Klein, R.; Henning, T.: An extremely young massive stellar object near IRAS 07029-1215. The Astrophysical Journal 602, S. 843 - 849 (2004)

Finoguenov, A.; Pietsch, W.; Aschenbach, B.; Miniati, F.: XMM-Newton witness of M 86 X-ray metamorphosis. Astronomy & Astrophysics 415 (2), S. 415 - 424 (2004)

Gleissner, T.; Wilms, J.; Pottschmidt, K.; Uttley, P.; Nowak, M. A.; Staubert, R.: Long term variability of Cyg X-1. II. The rms-flux relation. Astronomy & Astrophysics 414 (3), S. 1091 - 1104 (2004)

Haberl, F.; Pietsch, W.: X-ray observations of Be/X-ray binaries in the SMC. Astronomy & Astrophysics 414 (2), S. 667 - 676 (2004)

Harlaftis, E. T.; Greiner, J.: The rotational broadening and the mass of the donor star of GRS 1915+105. Astronomy & Astrophysics 414 (2), S. L13 - L16 (2004)

Hunt, L. K.; Pierini, D.; Giovanardi, C.: Near-infrared observations of galaxies in Pisces-Perseus. V. On the origin of bulges. Astronomy & Astrophysics 414 (3), S. 905 - 918 (2004)

Katayama, H.; Takahashi, I.; Ikebe, Y.; Matsushita, K.; Freyberg, M. J.: Properties of the background of EPIC-pn onboard XMM-Newton. Astronomy & Astrophysics 414 (2), S. 767 - 776 (2004)

Ortiz-Gil, A.; Guzzo, L.; Schuecker, P.; Böhringer, H.; Collins, C. A.: The X-ray luminosity-velocity relation in the REFLEX cluster survey. Monthly Notices of the Royal Astronomical Society 348 (1), S. 325 - 332 (2004)

Véron-Cetty, M.-P.; Balayan, S. K.; Mickaelian, A. M.; Mujica, R.; Chavushyan, V.; Hakopian, S. A.; Engels, D.; Véron, P.; Zickgraf, F.-J.; Voges, W. et al.; Xu, D.-W.: Optically bright active galactic nuclei in the ROSAT-Faint source catalogue. Astronomy & Astrophysics 414 (2), S. 487 - 496 (2004)

Weisskopf, M. C.; O'Dell, S.; Paerels, F.; Elsner, R. F.; Becker, W.; Tennant, A. F.; Swartz, D. A.: Chandra phase-resolved X-ray spectoscopy of the Crab pulsar. The Astrophysical Journal 601, S. 1050 - 1057 (2004)

Alcalá, J. M.; Wachter, S.; Covino, E.; Sterzik, M. F.; Durisen, R. H.; Freyberg, M. J.; Hoard, D. W.; Cooksey, K.: Multi-wavelength observations of the star forming region in L1616. Astronomy & Astrophysics 416, S. 677 - 697 (2004)

Aschenbach, B.; Grosso, N.; Porquet, D.; Predehl, P.: X-ray flares reveal mass and angular momentum of the Galactic Center black hole. Astronomy & Astrophysics 417 (1), S. 71 - 78 (2004)

Bardelli, S.; Giacintucci, S.; Zucca, E.; Venturi, T.; Brunetti, G.; Ettori, S.; Dallacasa, D.; Finoguenov, A.; Rao, P.: Multiwavelength view of merging clusters. Memorie della Societa Astronomica Italiana Supplement 5, S. 331 - 334 (2004)

Beckmann, V.; Borkowski, J.; Courvoisier, T. J.-L.; Götz, D.; Favre, P.; Hudec, R.; Mereghetti, S.; Shaw, S. E.; Kienlin, A. v.; Wigger, C.: Time resolved spectroscopy of GRB030501 using INTEGRAL. Proceedings of the 2nd BeppoSAX Conference: The Restless High-Energy Universe, S. 301 - 304 (2004)

Boese, F. G.: Bounds for the effective interest rate for constant, periodic annuities. Proceedings of Applied Mathematics and Mechanics 3 (1), S. 531 - 532 (2004)

Boese, F. G.; Luther, W. J.: Enclosure of the Zero set of multivariate exponential interval polynomials. Numerical Algorithms 37 (1-4), S. 35 - 44 (2004)

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), S. 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), S. 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), S. 1071 - 1077 (2004)

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