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astro-ph2006
The luminosity function of high-redshift QSOs
Fabio Fontanot, Stefano Cristiani, Pierluigi Monaco +5
We measure the luminosity function of QSOs in the redshift range 3.5 < z < 5.2 for the absolute magnitude interval -21 < M_{145} < -28. Suitable criteria are defined to select fain…
astro-ph1997
The Kormendy Relation of HDF Ellipticals
Giovanni Fasano, Stefano Cristiani, Stephane Arnouts
We present the results of the detailed surface photometry of a sample of elliptical galaxies in the Hubble Deep Field. In the (surface_brightness-effective_radius) plane, the ellip…