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Star Formation-Regulated Growth of Black Holes in Protogalactic Spheroids
Andreas Burkert, Joseph Silk
The observed relation between central black hole mass and spheroid velocity dispersion is interpreted in terms of a self-regulation model that incorporates a viscous Keplerian accr…
The Formation of Galaxy Disks
Joseph Silk
Galaxy disk formation must incorporate the multiphase nature of the interstellar medium. The resulting two-phase structure is generated and maintained by gravitational instability…
The Impact of Galaxy Formation on the Diffuse Background Radiation
J. Silk, J. Devriendt
The far infrared background is a sink for the hidden aspects of galaxy formation. At optical wavelengths, ellipticals and spheroids are old, even at Neither the luminou…
Bumpy Power Spectra and dT/T
Louise M. Griffiths, Joseph Silk, Saleem Zaroubi
With the recent publication of the measurements of the radiation angular power spectrum from the BOOMERanG Antarctic flight (de Bernardis et al. 2000), it has become apparent that…
Deprojection Galaxy Cluster X-ray, Sunyaev-Zel'dovich Temperature Decrement and Weak Lensing Mass Maps
S. Zaroubi, G. Squires, G. de Gasperis +3
A general method of deprojecting two-dimensional images to reconstruct the three dimensional structure of the projected object --specifically X-ray, Sunyaev-Zel'dovich (SZ) and gra…
Constraining our Universe with X-ray & Optical Cluster Data
J. M. Diego, E. Martinez-Gonzalez, J. L. Sanz +2
We have used recent X-ray and optical data in order to impose some constraints on the cosmology and cluster scaling relations. Generically two kind of hypotheses define our model.…