3 papers
astro-ph2001
Type 1 AGN and their Link to ULIRGS
Paola Andreani
Increasing observational evidence supports a picture for a close link among AGN phenomenum, star-formation processes and galaxy formation. Since the physical phenomena related to t…
astro-ph1999
Extremely Red Galaxies
Paola Andreani, Andrea Cimatti, Huub Roettgering +1
Preliminary results of a project aiming at unveiling the nature of the extremely red galaxies (ERGs) (objects with colours R-K>6 and I-K>5) found in deep optical-NIR surveys are pr…
astro-ph1998
Large-scale structures in the distribution of X-ray selected AGN
D. Engels, F. Tesch, C. Ledoux +5
We are searching for large-scale structures in the distribution of AGN discovered by the ROSAT All-Sky Survey. The RASS detected > 60000 X-ray objects, of which approximately 35% a…