The high energy emission of compact objects with SPI/INTEGRAL

We have used the SPI telescope data accumulated during about 4 years to study the emission coming from individual sources and we show here that many of them emit well above 100 keV, more or less permanently. A crude comparison of spectra obtained from AGN, Neutrons Stars X-rays Binaries and Black Hole Candidates X-ray binaries in this energy range suggests the presence of 2 components in all classes, making it obvious that similar mecanisms are at work. The global spectral shapes in hard X-rays are thus determined by the relative luminosities of these 2 components, which can present important time variation.