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19972009
most citedThe Kormendy relation of massive elliptical galaxies at z~1.5. Evidence for size evolution ?

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astro-ph1997

A Hard Medium Survey with the ASCA GIS: the (2-10 keV) Number Counts Relationship

Ilaria Cagnoni, Roberto Della Ceca, Tommaso Maccacaro

In this paper we report the first results on a medium survey program conducted in the 2-10 keV energy band using data from the GIS2 instrument onboard the ASCA satellite. We have s…