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个人简介

学习经历 1985-1989 郑州大学物理系 物理学学士学位 1989-1992 中国科学院云南天文台 天体物理学硕士学位 1996-2000 意大利国际高等研究学院(SISSA,Trieste) 天体物理学博士学位 国内工作经历 1992-1995 中国科学院云南天文台  研究实习员 1995-1996 中国科学院云南天文台 助理研究员 2002.12-2003.5 清华大学天体物理中心 访问学者 国外工作经历 2000.11-2000.12 意大利国际高等研究学院(SISSA,Trieste) 访问学者 2001.1-2001.3 意大利米兰Brera天文台   访问学者 2001.4-2002.11 意大利米兰Insubria大学 博士后

研究领域

1. 天体物理光学观测:         监测和分析活动星系核(AGNs)的光学光变         天体变源的同时性多波段联测         超新星的发现和光变监测         监测伽马射线爆(GRBs)的光学余辉 2. 高能天体物理:         空间高能天文望远镜的数据分析         活动星系核         微类星体和类星体         伽马射线爆

近期论文

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Zhang, Y. H. 2008, ApJ, 682, 789-797 XMM-Newton Observations of the TeV BL Lacertae Object PKS 2155-304 in 2006: Signature of Inverse Compton X-Ray Emission? Zhang, Y. H., Bai, J. M., Zhang, S. N., Treves, A., Maraschi, L., Celotti, A. 2006, ApJ, 651, 782-790 Multi-wavelength Observations of the BL Lacertae Object PKS 2155-304 with XMM-Newton Zhang, Y. H.; Treves, A.; Maraschi, L.; Bai, J. M.; Liu, F. K. 2006, ApJ, 699-710 XMM-Newton View of PKS 2155-304: Hardness Ratio and Cross-Correlation Analysis of EPIC pn Observations Zhang, Y.H., Treves, A., Celotti, A., Qin, Y.P., Bai, J.M. 2005, ApJ, 629, 686-699 XMM-Newton view of PKS2155-304: characterizing the X-ray variability properties with EPIC pn Zhang, Y.H. 2005, ChJAA, Vol.5 Supplement, 201-206 Phenomenological analogies in TeV blazars and black hole X-ray binaries in low state Zhang, Y. H., Cagnoni, I., Treves, A., Celotti, A.,Maraschi, L. 2004, ApJ, 605, 98-104 The effects of periodically gapped time series on cross-correlation lag determinations Zhang, Y. H. 2002, MNRAS, 337, 609-618 Cross-spectral analysis of the X-ray variability of Markarian 421 Zhang, Y. H., Treves, A., Celotti, A., Chiappetti, L., Fossati, G., Ghisellini, G., Maraschi, L., Pian, E., Tagliaferri, G., Tavecchio, F. 2002, ApJ, 572, 762-785 Four Years of Monitoring Blazar PKS 2155-304 with BeppoSAX: Probing the Dynamics of the Jet Liu, F.K., Zhang, Y.H. A&A, 2002, 381, 757-760 A new list of extra-galactic radio jets Fossati, G., Celotti, A., Chiaberge, M., Zhang, Y. H., Chiappetti, L., Ghisellini, G., Maraschi, L., Tavecchio, F., Pian, E., Treves, A. 2000, ApJ, 541, 166-179 X-ray emission of Markarian 421: new clues from its spectral evolution. II. Spectral analysis and physical constraints Fossati, G., Celotti, A., Chiaberge, M., Zhang, Y. H., Chiappetti, L., Ghisellini, G., Maraschi, L., Tavecchio, F., Pian, E., Treves, A. 2000, ApJ, 541, 153-165 X-ray emission of Markarian 421: new clues from its spectral evolution. I. Temporal analysis Xue, S.J., Zhang, Y. H., Chen, J.S. 2000, ApJ, 538, 121-126 ROSAT/ASCA observations of a serendipitous BL Lac Object PKS 2316-423: the variable high-energy tail of synchrotron radiation Zhang, Y.H., Celotti, A., Treves, A., Chiappetti, L., Ghisellini, G., Maraschi, L., Pian, E., Tagliaferri., G., Tavecchio, F., Urry, C.M. 1999, ApJ, 527, 719-732 Rapid X-ray variability of the BL Lacertae object PKS 2155-304 Chiappetti, L., Maraschi, L., Tavecchio, F., Celotti, A., Fossati, G., Ghisellini, G., Giommi, P., Pian, E., Tagliaferri, G., Treves, A., Urry, C. M., Zhang, Y. H. 1999, ApJ, 521, 552-560 Spectral evolution of PKS 2155-304 observed with BeppoSAX during an active gamma-ray phase Xie, G., Zhang, Y.H., Fan, J.H. ApJ, 1997, 477, 114-117 The relation between gamma-Ray and near-infrared radiation in gamma-ray--loud blazars Zhang, Y.H., Xie, G.Z. A&A, 1997, 317, 393-396 Correlation between gamma-ray and far-infrared luminosity for EGRET-detected sources Zhang, Y.H., Xie, G. Z. 1996, A&AS, 119, 199-203 Infrared properties of OJ 287 Zhang, Y.H., Xie, G. Z. 1996, A&AS, 116, 289-293 CCD photometry and long-term optical variability of PKS 2155-304 Xie, G. Z., Zhang, Y. H., Li, K. H., Liu, F. K., Wang, J. C., Wang, X. M 1996, AJ, 111, 1065-1072 CCD photometry of 12 BL Lacertae Objects Zhang, Y.H., Xie, G.Z., Cao, S.L., Li, K.H., Wang, J.C., Ye, B.X. 1996, Ap&SS, 235, 255-262 The optical variability of the Seyfert galaxies NGC 4051 and NGC 1068 Xie, G.Z., Li, K.H., Zhang, Y.H., Liu, F.K., Fan, J.H., Wang, J.C A&AS, 1994, 106, 361-372 Simultaneous multirange observations and detection of rapid variability of BL Lacertae objects Xie, G.Z., Zhang, Y.H., Fan, J.H., Liu, F.K. A&A, 1993, 278, 6-10 The relation between BL Lacertae objects and OVV quasars, and the unified model of BL Lacertae objects, FR-I and FR-II (G) radio galaxies

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