4 papers · 1 filter
The ASCA HSS: Looking for Type 2 AGN
R. Della Ceca, V. Braito, V. Beckmann +2
We will briefly discuss the X-ray spectral properties of the objects in the ASCA Hard Serendipitous Survey (HSS) sample and its present AGN contents. We also present X-ray spectros…
The ASCA Hard Serendipitous Survey
R. Della Ceca, V. Braito, I. Cagnoni +1
We summarize here some of the main results we have reached so far in the ASCA Hard Serendipitous Survey, a survey program conducted in the 2-10 keV energy band. In particular we wi…
SISSA Searching for blazars: the BLEIS project
Ilaria Cagnoni, Annalisa Celotti, Davide Poccecai
We present the aim and the status of the BLEIS project currently under development at SISSA. This project consists in selecting a complete Blazar sample from deep optical data, dow…
Blank Field X-Ray Sources
Ilaria Cagnoni, Annalisa Celotti, Martin Elvis +2
The X-ray sky is not as well known as is sometimes thought. We report on our search of minority populations (Kim & Elvis 1999). One of the most intriguing is that of `blank field s…