Mid-Infrared Spectroscopic Properties of Ultra-Luminous Infrared Quasars (2008)
Cao, Chen, Xia, X. Y., Wu, Hong, Mao, S., Hao, C. N., Deng, Z. G.
We analyse mid-infrared (MIR) spectroscopic properties for 19 ultra-luminous infrared quasars (IR QSOs) in the local universe based on the spectra from the Infrared Spectrograph on board the Spitzer...
Photometric Properties and Scaling Relations of Early Type Brightest Cluster Galaxies (2007)
Liu, F. S., Xia, X. Y., Mao, Shude, Wu, Hong, Deng, Z. G.
We investigate the photometric properties of the early type Brightest Cluster Galaxies (BCGs) using a carefully selected sample of 85 BCGs from the C4 cluster catalogue with redshift less than 0.1....
The Growth of Black Holes and Their Host Spheroids in (Sub)mm-loud QSOs at High Redshift (2007)
Hao, C. N., Xia, X. Y., Mao, S., Deng, Z. G., Wu, Hong
We study the growth of black holes and stellar population in spheroids at high redshift using several (sub)mm-loud QSO samples. Applying the same criteria established in an earlier work, we find...
Isophotal Shapes of Elliptical/S0 Galaxies from the Sloan Digital Sky Survey (2006)
Hao, C. N., Mao, S., Deng, Z. G., Xia, X. Y., Wu, Hong
We revisit the shapes of isophotes for elliptical (E) and lenticular (S0) galaxies by studying 847 nearby early-type galaxies selected from the Sloan Digital Sky Survey Data Release 4 with velocity...
Luminous Infrared Galaxies in the Local Universe (2006)
Wang, J. L., Xia, X. Y., Mao, S., Cao, C., Wu, Hong, Deng, Z. G.
We study the morphology and star formation properties of 159 local luminous infrared galaxy (LIRG) using multi-color images from Data Release 2 (DR2) of the Sloan Digital Sky Survey (SDSS). The LIRGs...
The Physical Connections Among IR QSOs, PG QSOs and Narrow-Line Seyfert 1 Galaxies (2005)
Hao, C. N., Xia, X. Y., Mao, Shude, Wu, Hong, Deng, Z. G.
We study the properties of infrared-selected QSOs (IR QSOs), optically-selected QSOs (PG QSOs) and Narrow Line Seyfert 1 galaxies (NLS1s). We compare their properties from the infrared to the optical...
Chandra Observations of ULIRGs: Extended Hot Gas Halos in Merging Galaxies (2003)
Huo, Z. Y., Xia, X. Y., Xue, S. J., Mao, S., Deng, Z. G.
We study the properties of hot gaseous halos in 10 nearby ultraluminous IRAS galaxies observed with the ACIS instrument on board Chandra. For all sample galaxies, diffuse soft X-ray emissions are...
Formation of bulges in very late-type galaxies from SSCs (2002)
Fu, Y. N., Huang, J. H., Deng, Z. G.
The dynamical evolution of super star clusters (SSCs) moving in the background of a dark matter halo has been investigated as a possible event responsible for the formation of bulges in late-type...
The nature of ultra-luminous X-ray sources in NGC4565 (2002)
Wu, H., Xue, S. J., Xia, X. Y., Deng, Z. G., Mao, S.
We report the optical identifications of two X-ray luminous point sources in the spiral galaxy NGC4565 based on archive data of Chandra and the Hubble Space Telescope. The central X-ray point source,...
Spectroscopic Properties of QSOs Selected from Ultraluminous Infrared Galaxy Samples (2002)
Zheng, X. Z., Xia, X. Y., Mao, S., Wu, H., Deng, Z. G.
We performed spectroscopic observations for a large infrared QSO sample with a total of 25 objects. The sample was compiled from the QDOT redshift survey, the 1 Jy ULIRGs survey and a sample obtained...
Xia, X. Y., Xue, S. J., Mao, S., Boller, T., Deng, Z. G., Wu, H.
We report X-ray observations of the field containing the ultraluminous IRAS galaxy Mrk 273. The data were obtained using the Advanced CCD Imaging Spectrometer S3 instrument on board Chandra. The...
Intermediate-band surface photometry of the edge-on galaxy NGC 4565 (2002)
Wu, H., Burstein, D., Deng, Z. G., Zhou, X., Shang, Z. H., Zheng, Z. Y., ...
We present a deep, 42.79 hr image of the nearby, edge-on galaxy NGC 4565 in the Beijing-Arizona-Taipei-Connecticut 6660 Angstrom band using the large-format CCD system on the 0.6 m Schmidt telescope...
Relation between $M_{BH}$ and $M_{bulge}$: A simulation study (2001)
Fu, Y. N., Huang, J. H., Deng, Z. G.
The dynamical evolution of super star clusters (SSCs) moving in the background of dark matter halo has been investigated as a possible event causing the observed correlation between the mass of...
The Fundamental Plane of Spiral Galaxies: Search from Observational Data (2001)
Han, J. L., Deng, Z. G., Zou, Z. L., Wu, X. B., Jing, Y. P.
The fundamental plane of spiral galaxies was searched from observational data, which can be approximately represented in observational parameters by $ L \propto V^2 R $, where $L$, $R$, and $V$ are...
Chandra Observations of MRK 273: Unveiling the Central AGN and the Extended Hot Gas Halo (2001)
Xia, X. Y., Xue, S. J., Mao, S., Boller, Th., Deng, Z. G., Wu, H.
We report X-ray observations of the field containing the ultraluminous IRAS galaxy Mrk~273 Using the ACIS-S3 instrument on board Chandra. The high resolution X-ray image, for the first time, reveals...
Wu, H., Zou, Z. L., Xia, X. Y., Deng, Z. G.
Spectroscopic observations of a sample of 73 very luminous IRAS galaxies (log(LIR/Lsun)>=11.5 for H0=50km s^{-1} Mpc^{-1},q0=0.5) from the 2Jy red- shift survey catalogue were carried out using the...
A statistical study of the spectra of very luminous IRAS galaxies I: Data (1997)
Wu, H., Zou, Z. L., Xia, X. Y., Deng, Z. G.
This paper presents the results of spectral observations for the largest complete sample of very luminous IRAS galaxies obtained to date. The sample consists of those 73 objects for which log...