Search Publications
GRIPS - Gamma-Ray Imaging, Polarimetry and Spectroscopy
Fransson, Claes; Leibundgut, Bruno; Wilms, Jörn +65 more
We propose to perform a continuously scanning all-sky survey from 200 keV to 80 MeV achieving a sensitivity which is better by a factor of 40 or more compared to the previous missions in this energy range (COMPTEL, INTEGRAL; see Fig. 1). These gamma-ray observations will be complemented by observations in the soft X-ray and (near-)infrared region …
LEMUR: Large European module for solar Ultraviolet Research. European contribution to JAXA's Solar-C mission
Fineschi, Silvano; Andretta, Vincenzo; Spadaro, Daniele +39 more
The solar outer atmosphere is an extremely dynamic environment characterized by the continuous interplay between the plasma and the magnetic field that generates and permeates it. Such interactions play a fundamental role in hugely diverse astrophysical systems, but occur at scales that cannot be studied outside the solar system. Understanding thi…
Alfvén: magnetosphere—ionosphere connection explorers
Koskinen, H.; Lundin, R.; Yamauchi, M. +60 more
The aurorae are dynamic, luminous displays that grace the night skies of Earth's high latitude regions. The solar wind emanating from the Sun is their ultimate energy source, but the chain of plasma physical processes leading to auroral displays is complex. The special conditions at the interface between the solar wind-driven magnetosphere and the…
SARIM PLUS—sample return of comet 67P/CG and of interstellar matter
Altwegg, K.; Dikarev, V.; Kempf, S. +58 more
The Stardust mission returned cometary, interplanetary and (probably) interstellar dust in 2006 to Earth that have been analysed in Earth laboratories worldwide. Results of this mission have changed our view and knowledge on the early solar nebula. The Rosetta mission is on its way to land on comet 67P/Churyumov-Gerasimenko and will investigate fo…
AVES: A high performance computer cluster array for the INTEGRAL satellite scientific data analysis
Ubertini, Pietro; Federici, Memmo; Martino, Bruno Luigi
In this paper we describe a new computing system array, designed, built and now used at the Space Astrophysics and Planetary Institute (IAPS) in Rome, Italy, for the INTEGRAL Space Observatory scientific data analysis. This new system has become necessary in order to reduce the processing time of the INTEGRAL data accumulated during the more than …
Connection among spacecrafts and ground level observations of small solar transient events. An overview of small solar transient events observed at ground
Augusto, Carlos Roberto A.; Fauth, Anderson C.; Navia, Carlos E. +2 more
An overview of the results of the search for small solar transient events, in association with muon enhancements (deficits) registered at ground-level by the Tupi muon telescopes, is presented. Among the events, there are three interplanetary shocks and two solar flares of small scale whose X-ray emission flux is much smaller than 10 - 5
GRI: focusing on the evolving violent universe
Knödlseder, Jürgen; Christensen, Finn; Bazzano, Angela +4 more
The gamma-ray imager (GRI) is a novel mission concept that will provide an unprecedented sensitivity leap in the soft gamma-ray domain by using for the first time a focusing lens built of Laue diffracting crystals. The lens will cover an energy band from 200-1,300 keV with an effective area reaching 600 cm2. It will be complemented by a…
LAPLACE: A mission to Europa and the Jupiter System for ESA's Cosmic Vision Programme
Drossart, Pierre; Hartogh, Paul; Sotin, Christophe +40 more
The exploration of the Jovian System and its fascinating satellite Europa is one of the priorities presented in ESA’s “Cosmic Vision” strategic document. The Jovian System indeed displays many facets. It is a small planetary system in its own right, built-up out of the mixture of gas and icy material that was present in the external region of the …
Cross-scale: multi-scale coupling in space plasmas
Sahraoui, Fouad; Horbury, Timothy; Sauvaud, Jean-André +17 more
Most of the visible universe is in the highly ionised plasma state, and most of that plasma is collision-free. Three physical phenomena are responsible for nearly all of the processes that accelerate particles, transport material and energy, and mediate flows in systems as diverse as radio galaxy jets and supernovae explosions through to solar fla…
Realization of X-ray telescopes-from design to performance
Aschenbach, Bernd
For more than 45 years the building of X-ray telescopes for solar and astronomical observations has been practised with significant performance improvement. The various techniques applied are reviewed emphazising the impact of proper mirror material choice, grinding and polishing improvements and the role of metrology.