Simultaneous Planck , Swift , and Fermi observations of X-ray and \gamma -ray selected blazars
Giommi, P. ; Polenta, G. ; Lahteenmaki, A. ; ...Cavazzuti, E. ; ...Colafrancesco, S. ; ...Mandolesi, N. ; et al.
May - 2012
ISSN : 0004-6361 ;
journal : Astronomy \& Astrophysics
type: Article Journal

Abstract

keywords : BL Lacertae objects: general,galaxies: active,quasars: general,relativistic processes