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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