Publications of D.-W. Xu

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), pp. 487 - 496 (2004)

Xu, D. W.; Komossa, S.; Wei, J. Y.; Zheng, X. Z.: An active galactic nucleus sample with high X-ray-to-optical flux ratio from RASS. II. Optical emission line properties of Seyfert 1-type active galactic nuclei. The Astrophysical Journal 590, pp. 73 - 85 (2003)

Xu, D.; Komossa, S.; Burwitz, V.; Predehl, P.: Absorption components in the nucleus of NGC 3227. In: Recycling Intergalactic and Interstellar Matter, pp. 362 - 363 (Eds. Duc, P.-A.; Braine, J.; Brinks, E.). Recycling Intergalactic and Interstellar Matter, Sydney, Australia, July 14, 2003 - July 17, 2003. International Astronomical Union, Ann Arbor, MI, USA (2004)

Xu, D.-W.; Komossa, S.; Wei, J.-y.; Qian, Y.; Zheng, X.-z.: A spectral analysis of 155 Seyfert 1 type AGN. The Multiwavelength View on AGN, Lijiang, China, July 30, 2002 - August 04, 2002. China-Germany workshop on The Multiwavelength View on AGN, pp. 42 - 45 (2003)

Xu, D. W.; Komossa, S.; Wei, J. Y.; Zheng, X. Z.; Qian, Y.: Emission line properties of Seyfert 1 type AGN from RASS. In: High Energy Processes and Phenomena in Astrophysics, pp. 273 - 274 (Eds. Li, X. D.; Trimble, V.; Wang, Z. R.). High Energy Processes and Phenomena in Astrophysics, Suzhou, China, August 06, 2002 - August 10, 2002. Astronomical Society of the Pacific, San Francisco (2003)