Publications of S. Zhang

Journal Article (4)

1.
Journal Article
Zhang, S.; Collmar, W.; Schönfelder, V.: COMPTEL observations of the γ-ray blazars 3C 454.3 and CTA 102 during the CGRO mission. Astronomy & Astrophysics 444 (3), pp. 767 - 775 (2005)
2.
Journal Article
Zhang, S.; Collmar, W.; Hermsen, W.; Schönfelder, V.: Spectral constraints on unidentified EGRET gamma-ray sources from COMPTEL MeV observations. Astronomy & Astrophysics 421 (3), pp. 983 - 990 (2004)
3.
Journal Article
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)
4.
Journal Article
Zhang, S.; Collmar, W.; Bennett, K.; Bloemen, H.; Hermsen, W.; McConnell, M.; Reimer, O.; Schönfelder, V.; Wagner, S. J.; Williams, O. R.: COMPTEL observations of the gamma-ray blazar PKS 1622-297. Astronomy & Astrophysics 386 (3), pp. 843 - 853 (2002)

Conference Paper (3)

5.
Conference Paper
Zhang, S.; Collmar, W.; Schönfelder, V.: Comptel constraints on unidentified EGRET sources. Conference on multiwavelenght approach to undentified gamma-ray sources, Hong Kong, June 01, 2004 - June 04, 2004. multiwavelenght approach to unidentified gamma-ray sources, pp. 283 - 290 (2005)
6.
Conference Paper
Zhang, S.; Collmar, W.; Schönfelder, V.: MeV properties of the γ-ray blazars PKS1622-297, 3C 454.3 and CTA102. The Multiwavelength View on AGN, Lijiang, China, July 30, 2002 - August 04, 2002. China-Germany workshop on The Multiwavelength View on AGN, pp. 126 - 130 (2003)
7.
Conference Paper
Zhang, S.; Collmar, W.; Schönfelder, V.: High energy properties of the γ-ray blazars PKS 1622-297, 3C 454.3 andCTA 102. In: Lighthouses of the Universe: The Most Luminous Celestial Objects and Their Use for Cosmology, pp. 301 - 303 (Eds. Gilfanov, M.; Sunyaev, R.; Churazov, E.). Lighthouses of the Universe : The Most Luminous Celestial Objects and Their Use for Cosmology, Garching, Germany, August 06, 2001 - August 10, 2001. Springer, Berlin (2002)
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