Professor | Youhong Zhang | Asia Growth Partners

Name	Youhong Zhang
Contact Information	youhong.zhang@mail.tsinghua.edu.cn
Language ability	Chinese, English, Italian
Province	Beijing

Name

Youhong Zhang

Contact Information

youhong.zhang@mail.tsinghua.edu.cn

Language ability

Chinese, English, Italian

Province

Beijing

University/Lab Affiliation and Title	Tsinghua University
Faculty	Physics
Academic Background & Achievements	1985-1989 Bachelor of Physics: Zhengzhou University 1989-1992 Master of Astrophysics: Chinese Academy of Sciences, Yunnan Observatory 1996-2000 PhD in Astrophysics: International School for Advanced Studies (SISSA), Trieste, Italy
Work Experience	1992-1995 - Chinese Academy of Sciences, Yunnan Observatory - Research Intern 1995-1996 - Chinese Academy of Sciences, Yunnan Observatory - Assistant Researcher 2000.11-2000.12 - International School for Advanced Studies (SISSA), Trieste - Visiting Scholar 2001.1-2001.3 - Brera Astronomical Observatory, Milan, Italy - Visiting Scholar 2001.4-2002.11 - University of Insubria, Milan, Italy - Postdoctoral Researcher 2002.12-2003.5 - Tsinghua University, Center for Astrophysics - Visiting Scholar
Awards	1999: Second Prize, Chinese Academy of Sciences Natural Science Award for Multi-wavelength Observations and Theoretical Studies of Active Galactic Nuclei (Ranked 5th) 2007: New Century Excellent Talents Support Plan by the Ministry of Education

University/Lab Affiliation and Title

Tsinghua University

Faculty

Physics

Academic Background & Achievements

1985-1989 Bachelor of Physics: Zhengzhou University
1989-1992 Master of Astrophysics: Chinese Academy of Sciences, Yunnan Observatory
1996-2000 PhD in Astrophysics: International School for Advanced Studies (SISSA), Trieste, Italy

Work Experience

1992-1995 - Chinese Academy of Sciences, Yunnan Observatory - Research Intern
1995-1996 - Chinese Academy of Sciences, Yunnan Observatory - Assistant Researcher
2000.11-2000.12 - International School for Advanced Studies (SISSA), Trieste - Visiting Scholar
2001.1-2001.3 - Brera Astronomical Observatory, Milan, Italy - Visiting Scholar
2001.4-2002.11 - University of Insubria, Milan, Italy - Postdoctoral Researcher
2002.12-2003.5 - Tsinghua University, Center for Astrophysics - Visiting Scholar

Awards

1999: Second Prize, Chinese Academy of Sciences Natural Science Award for Multi-wavelength Observations and Theoretical Studies of Active Galactic Nuclei (Ranked 5th)
2007: New Century Excellent Talents Support Plan by the Ministry of Education

Areas of Focus	Astrophysical Optical Observations High Energy Astrophysics
Publications	XMM-Newton Observations of the TeV BL Lacertae Object PKS 2155-304 in 2006: Signature of Inverse Compton X-Ray Emission?, Zhang, Y. H., 2008 Multi-wavelength Observations of the BL Lacertae Object PKS 2155-304 with XMM-Newton, Zhang, Y. H., Bai, J. M., Zhang, S. N., Treves, A., Maraschi, L., Celotti, A., 2006 XMM-Newton View of PKS 2155-304: Hardness Ratio and Cross-Correlation Analysis of EPIC pn Observations, Zhang, Y. H.; Treves, A.; Maraschi, L.; Bai, J. M.; Liu, F. K., 2006 XMM-Newton view of PKS2155-304: characterizing the X-ray variability properties with EPIC pn, Zhang, Y.H., Treves, A., Celotti, A., Qin, Y.P., Bai, J.M., 2005 Phenomenological analogies in TeV blazars and black hole X-ray binaries in low state, Zhang, Y.H., 2005 The effects of periodically gapped time series on cross-correlation lag determinations, Zhang, Y. H., Cagnoni, I., Treves, A., Celotti, A., Maraschi, L., 2004 Cross-spectral analysis of the X-ray variability of Markarian 421, Zhang, Y. H., 2002 Four Years of Monitoring Blazar PKS 2155-304 with BeppoSAX: Probing the Dynamics of the Jet, Zhang, Y. H., Treves, A., Celotti, A., Chiappetti, L., Fossati, G., Ghisellini, G., Maraschi, L., Pian, E., Tagliaferri, G., Tavecchio, F., 2002 A new list of extra-galactic radio jets, Liu, F.K., Zhang, Y.H., 2002 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 X-ray emission of Markarian 421: new clues from its spectral evolution. I. Temporal analysis, Fossati, G., Celotti, A., Chiaberge, M., Zhang, Y. H., Chiappetti, L., Ghisellini, G., Maraschi, L., Tavecchio, F., Pian, E., Treves, A., 2000 ROSAT/ASCA observations of a serendipitous BL Lac Object PKS 2316-423: the variable high-energy tail of synchrotron radiation, Xue, S.J., Zhang, Y. H., Chen, J.S., 2000 Rapid X-ray variability of the BL Lacertae object PKS 2155-304, Zhang, Y.H., Celotti, A., Treves, A., Chiappetti, L., Ghisellini, G., Maraschi, L., Pian, E., Tagliaferri., G., Tavecchio, F., Urry, C.M., 1999 Spectral evolution of PKS 2155-304 observed with BeppoSAX during an active gamma-ray phase, 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 The relation between gamma-Ray and near-infrared radiation in gamma-ray--loud blazars, Xie, G., Zhang, Y.H., Fan, J.H., 1997 Correlation between gamma-ray and far-infrared luminosity for EGRET-detected sources, Zhang, Y.H., Xie, G.Z., 1997 Infrared properties of OJ 287, Zhang, Y.H., Xie, G. Z., 1996 CCD photometry and long-term optical variability of PKS 2155-304, Zhang, Y.H., Xie, G. Z., 1996 CCD photometry of 12 BL Lacertae Objects, Xie, G. Z., Zhang, Y. H., Li, K. H., Liu, F. K., Wang, J. C., Wang, X. M, 1996 The optical variability of the Seyfert galaxies NGC 4051 and NGC 1068, Zhang, Y.H., Xie, G.Z., Cao, S.L., Li, K.H., Wang, J.C., Ye, B.X., 1996 Simultaneous multirange observations and detection of rapid variability of BL Lacertae objects, Xie, G.Z., Li, K.H., Zhang, Y.H., Liu, F.K., Fan, J.H., Wang, J.C, 1994 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, Xie, G.Z., Zhang, Y.H., Fan, J.H., Liu, F.K., 1993

Areas of Focus

Astrophysical Optical Observations
High Energy Astrophysics

Publications

XMM-Newton Observations of the TeV BL Lacertae Object PKS 2155-304 in 2006: Signature of Inverse Compton X-Ray Emission?, Zhang, Y. H., 2008
Multi-wavelength Observations of the BL Lacertae Object PKS 2155-304 with XMM-Newton, Zhang, Y. H., Bai, J. M., Zhang, S. N., Treves, A., Maraschi, L., Celotti, A., 2006
XMM-Newton View of PKS 2155-304: Hardness Ratio and Cross-Correlation Analysis of EPIC pn Observations, Zhang, Y. H.; Treves, A.; Maraschi, L.; Bai, J. M.; Liu, F. K., 2006
XMM-Newton view of PKS2155-304: characterizing the X-ray variability properties with EPIC pn, Zhang, Y.H., Treves, A., Celotti, A., Qin, Y.P., Bai, J.M., 2005
Phenomenological analogies in TeV blazars and black hole X-ray binaries in low state, Zhang, Y.H., 2005
The effects of periodically gapped time series on cross-correlation lag determinations, Zhang, Y. H., Cagnoni, I., Treves, A., Celotti, A., Maraschi, L., 2004
Cross-spectral analysis of the X-ray variability of Markarian 421, Zhang, Y. H., 2002
Four Years of Monitoring Blazar PKS 2155-304 with BeppoSAX: Probing the Dynamics of the Jet, Zhang, Y. H., Treves, A., Celotti, A., Chiappetti, L., Fossati, G., Ghisellini, G., Maraschi, L., Pian, E., Tagliaferri, G., Tavecchio, F., 2002
A new list of extra-galactic radio jets, Liu, F.K., Zhang, Y.H., 2002
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
X-ray emission of Markarian 421: new clues from its spectral evolution. I. Temporal analysis, Fossati, G., Celotti, A., Chiaberge, M., Zhang, Y. H., Chiappetti, L., Ghisellini, G., Maraschi, L., Tavecchio, F., Pian, E., Treves, A., 2000
ROSAT/ASCA observations of a serendipitous BL Lac Object PKS 2316-423: the variable high-energy tail of synchrotron radiation, Xue, S.J., Zhang, Y. H., Chen, J.S., 2000
Rapid X-ray variability of the BL Lacertae object PKS 2155-304, Zhang, Y.H., Celotti, A., Treves, A., Chiappetti, L., Ghisellini, G., Maraschi, L., Pian, E., Tagliaferri., G., Tavecchio, F., Urry, C.M., 1999
Spectral evolution of PKS 2155-304 observed with BeppoSAX during an active gamma-ray phase, 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
The relation between gamma-Ray and near-infrared radiation in gamma-ray--loud blazars, Xie, G., Zhang, Y.H., Fan, J.H., 1997
Correlation between gamma-ray and far-infrared luminosity for EGRET-detected sources, Zhang, Y.H., Xie, G.Z., 1997
Infrared properties of OJ 287, Zhang, Y.H., Xie, G. Z., 1996
CCD photometry and long-term optical variability of PKS 2155-304, Zhang, Y.H., Xie, G. Z., 1996
CCD photometry of 12 BL Lacertae Objects, Xie, G. Z., Zhang, Y. H., Li, K. H., Liu, F. K., Wang, J. C., Wang, X. M, 1996
The optical variability of the Seyfert galaxies NGC 4051 and NGC 1068, Zhang, Y.H., Xie, G.Z., Cao, S.L., Li, K.H., Wang, J.C., Ye, B.X., 1996
Simultaneous multirange observations and detection of rapid variability of BL Lacertae objects, Xie, G.Z., Li, K.H., Zhang, Y.H., Liu, F.K., Fan, J.H., Wang, J.C, 1994
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, Xie, G.Z., Zhang, Y.H., Fan, J.H., Liu, F.K., 1993

Active Galactic Nuclei Optical Variability Simultaneous Multi-Band Monitoring Supernovae Gamma-Ray Bursts Space-Based Telescopes Data Analysis Quasars Blazars X-Ray Emission

Personal Information

Academic Information

Research

Contact us

No account yet?

Personal Information

Academic Information

Research

Contact us