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Komossa, S.; Burwitz, V.; Hasinger, G.; Predehl, P.; Kaastra, J. S.; Ikebe, Y.: Discovery of a binary active galactic nucleus in the ultraluminous infrared galaxy NGC 6240 using Chandra. The Astrophysical Journal 582 (1), S. L15 - L19 (2003)

Kretschmer, K.; Diehl, R.; Hartmann, D. H.: Line shape diagnostics of Galactic ²⁶Al. Astronomy & Astrophysics 412, S. L47 - L51 (2003)

Malzac, J.; Belloni, T.; Spruit, H. C.; Kanbach, G.: The optical and X-ray flickering of XTE J1118+480. Astronomy & Astrophysics 407, DOI: 10.1051/0004-6361:20030859, S. 335 - 345 (2003)

Martinez Núñez, S.; Reig, P.; Blay, P.; Kretschmar, P.; Lund, N.; Reglero, V.: JEM-X observations of the Be/X-ray binary EXO 2030+375. Astronomy & Astrophysics 411, S. L411 - L414 (2003)

Matsushita, K.; Finoguenov, A.; Böhringer, H.: XMM observations of M 87. II. Abundance structure of the interstellar and intergalactic medium. Astronomy & Astrophysics 401, S. 443 - 461 (2003)

Mereghetti, S.; Götz, D.; Beckmann, V.; Kienlin, A. v.; Ubertini, P.; Bazzano, A.; Foschini, L.; Malaguti, G.: GRB 021219: the first gamma-ray burst localized in real time with IBAS. Astronomy & Astrophysics 411, S. L311 - L314 (2003)

Motch, C.; Zavlin, V. E.; Haberl, F.: The proper motion and energy distribution of the isolated neutron star RX J0720.4-3125. Astronomy & Astrophysics 408, DOI: 10.1051/0004-6361:20030802, S. 323 - 330 (2003)

Pfeffermann, E.; Briel, U. G.; Freyberg, M. J.: Design and in-orbit-performance of the position sensitive proportional counter onboard the X-ray astronomy satellite ROSAT. Nuclear Instruments and Methods in Physics Research Section A 515, S. 65 - 69 (2003)

Pierini, D.; Leech, K. J.; Völk, H. J.: [C II] emission and star formation in late-type galaxies. II. A model. Astronomy & Astrophysics 397, DOI: 10.1051/0004-6361:20021572, S. 871 - 881 (2003)

Pierini, D.; Möller, C. S.: Dust emission in the far-infrared as a star formation tracer at z = 0: systematic trends with luminosity. Monthly Notices of the Royal Astronomical Society 346, S. 818 - 824 (2003)

Pierini, D.; Popescu, C. C.; Tuffs, R. J.; Völk, H. J.: The far-infrared/radio correlation in the ISO era: The warm and cold far-infrared/radio correlations. Astronomy & Astrophysics 409, S. 907 - 916 (2003)

Pietsch, W.; Haberl, F.; Vogler, A.: RX J004717.4-251811: The first eclipsing X-ray binary outside the Local Group. Astronomy & Astrophysics 402, S. 457 - 464 (2003)

Porquet, D.; Predehl, P.; Aschenbach, B.; Grosso, N.; Goldwurm, A.; Goldoni, P.; Warwick, R. S.; Decourchelle, A.: XMM-Newton observation of the brightest X-ray flare detected so far from Sgr A. Astronomy & Astrophysics 407, DOI: 10.1051/0004-6361:20030983, S. L17 - L20 (2003)

Porquet, D.; Reeves, J. N.: An intense and broad Fe Kα line observed in the X-ray luminous quasar Q 0056-363 with XMM-Newton. Astronomy & Astrophysics 408, S. 119 - 125 (2003)

Pottschmidt, K.; Wilms, J.; Nowak, M. A.; Pooley, G. G.; Gleissner, T.; Heindl, W. A.; Smith, D. M.; Remillard, R.; Staubert, R.: Long term variability of Cygnus X-1. I. X-ray spectral-temporal correlations in the hard state. Astronomy & Astrophysics 407, S. 1039 - 1058 (2003)

Raassen, A. J. J.; Ness, J.-U.; Mewe, R.; van der Meer, R. L. J.; Burwitz, V.; Kaastra, J. S.: Chandra-LETGS X-ray observation of α Centauri: A nearby (G2V + K1V) binary system. Astronomy & Astrophysics 400, DOI: 10.1051/0004-6361:20021899, S. 671 - 678 (2003)

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), S. 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, S. 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, S. 989 - 1010 (2003)