Search Publications

Highly significant detection of solar neutrons on 2005 September 7

Tanaka, Y. T.; Yoshikawa, I.; Mukai, T. +21 more

We have successfully detected solar neutrons at ground level in association with the X17.0 solar flare that occurred on 2005 September 7. Observations were made with the solar neutron telescopes and neutron monitors located in Bolivia and Mexico. In this flare, large fluxes of hard X-rays and γ-rays were observed by the GEOTAIL and the INTEGRAL sa…

Development of a modular CdTe detector plane for gamma-ray burst detection below 100 keV

Barret, D.; Ehanno, M.; Amoros, C. +8 more

We report on the development of an innovative CdTe detector plane (DPIX) optimized for the detection and localization of gamma-ray bursts in the X-ray band (below 100 keV). DPIX is part of an R&D program funded by the French Space Agency (CNES). DPIX builds upon the heritage of the ISGRI instrument, currently operating with great success on th…

Hard X-ray colours of neutron star and black hole low mass X-ray binaries with INTEGRAL

Paltani, Stéphane; Courvoisier, Thierry J. -L.; Mowlavi, Nami +3 more

The X-ray spectra of low mass X-ray binaries (LMXB) can change on short time-scales, making it difficult to follow their spectral characteristics in detail through model fitting. Colour-colour (C-C) diagrams are therefore often used as alternative, model independent, tools to study the spectral variability of these sources. The INTEGRAL mission, w…