The BeppoSAX HELLAS survey: the nature o
โ
F. Fiore; F. La Franca; HELLAS Collaboration
๐
Article
๐
1999
๐
John Wiley and Sons
๐
English
โ 74 KB
๐ 1 views
The BeppoSAX High Energy Large Area Survey (HELLAS) has found so far 200 sources with a 5-10 flux higher than 5 ร 10 -14 erg cm -2 s -1 in โผ 80 deg 2 of sky. A summary on the optical identifications of a subsample of these sources is presented here. Most of the identified sources are AGN at 0.04<z<3