- Solar and Space Plasma Dynamics
- Astro and Planetary Science
- Solar Radiation and Photovoltaics
- Distributed and Parallel Computing Systems
- Planetary Science and Exploration
- Stellar, planetary, and galactic studies
- Particle Detector Development and Performance
- Advanced X-ray and CT Imaging
- Space exploration and regulation
- Advanced Semiconductor Detectors and Materials
- Atmospheric Ozone and Climate
- Gamma-ray bursts and supernovae
- Geomagnetism and Paleomagnetism Studies
- Big Data Technologies and Applications
- Astronomical Observations and Instrumentation
- Service-Oriented Architecture and Web Services
- Distributed systems and fault tolerance
- Economic and Technological Innovation
FHNW University of Applied Sciences and Arts
2012-2023
HES-SO University of Applied Sciences and Arts Western Switzerland
2021
Catholic University of America
2010
Goddard Space Flight Center
2010
Aims. The Spectrometer Telescope for Imaging X-rays (STIX) on Solar Orbiter is a hard X-ray imaging spectrometer, which covers the energy range from 4 to 150 keV. STIX observes bremsstrahlung emissions solar flares and therefore provides diagnostics of hottest (⪆10 MK) flare plasma while quantifying location, spectrum, content flare-accelerated nonthermal electrons. Methods. To accomplish this, applies an indirect bigrid Fourier technique using set tungsten grids (at pitches 0.038 1 mm) in...
Solar Orbiter is the first space mission observing solar plasma both in situ and remotely, from a close distance, out of ecliptic. The ultimate goal to understand how Sun produces controls heliosphere, filling System driving planetary environments. With six remote-sensing four in-situ instrument suites, coordination planning operations are essential address following top-level science questions: (1) What drives wind where does coronal magnetic field originate? (2) How do transients drive...
Context. The Solar Orbiter spacecraft will be equipped with a wide range of remote-sensing (RS) and in situ (IS) instruments to record novel unprecedented measurements the solar atmosphere inner heliosphere. To take full advantage these new datasets, tools techniques must developed ease multi-instrument multi-spacecraft studies. In particular currently inaccessible low corona below two radii can only observed remotely. Furthermore used retrieve coronal plasma properties time three...
The Spectrometer and Telescope for Imaging X-rays (STIX) on board Solar Orbiter observes solar X-ray emission in the range of 4 – 150 keV produces spectra images flares over a wide flare magnitudes. During nominal operation, STIX continuously generates data. A constant data flow requires fully automated data-processing pipelines to process analyze data, platform manage, visualize, distribute products scientific community. Data Center has been built fulfill these needs. In this paper,...
Context. To meet the scientific objectives of mission, Solar Orbiter spacecraft carries a suite in-situ (IS) and remote sensing (RS) instruments designed for joint operations with inter-instrument communication capabilities. Indeed, previous missions have shown that Sun (imaged by RS instruments) heliosphere (mainly sampled IS should be considered as an integrated system rather than separate entities. Many advances expected from rely on this synergistic approach between measurements. Aims....
Context. The Spectrometer/Telescope for Imaging X-rays (STIX) is the hard X-ray instrument onboard Solar Orbiter designed to observe solar flares over a broad range of flare sizes. Aims. We report first STIX observations microflares recorded during commissioning phase in order investigate performance at its detection limit. Methods. uses imaging spectroscopy between 4–150 keV diagnose hottest plasma and related nonthermal electrons. This result paper focuses on temporal spectral evolution...
The Spectrometer Telescope for Imaging X-rays (STIX) is one of 10 instruments on board Solar Orbiter, a confirmed Mclass mission the European Space Agency (ESA) within Cosmic Vision program scheduled to be launched in 2017. STIX applies Fourier-imaging technique using set tungsten grids (at pitches from 0.038 1 mm) front 32 pixelized CdTe detectors provide imaging spectroscopy solar thermal and non-thermal hard X-ray emissions 4 150 keV. status instrument reviewed this paper based design...
The Spectrometer Telescope for Imaging X-rays (STIX) is one of 10 instruments on-board Solar Orbiter mission the European Space Agency (ESA) scheduled to be launched in 2017. STIX aimed provide imaging spectroscopy solar thermal and non-thermal hard X-ray emissions from 4 keV 150 using a Fourier-imaging technique. instrument employs set tungsten grids front 32 pixelized CdTe detectors. These detectors are source data collected analyzed real time by Instrument Data Processing Unit (IDPU). In...
The Spectrometer/Telescope for Imaging X-rays (STIX) on-board the ESA Solar Orbiter mission retrieves coordinates of solar flare locations by means a specific sub-collimator, named Coarse Flare Locator (CFL). When occurs on Sun, emitted X-ray radiation casts shadow peculiar "H-shaped" tungsten grid over CFL detector. From measurements areas detector that are illuminated radiation, it is possible to retrieve $(x,y)$ location disk. In this paper, we train neural network dataset real...
Many software applications in astrophysics lack the capabilities to directly exchange data or share their functionality. The proposed framework utilizes a light-weight messaging technique based on Simple Application Messaging Protocol (SAMP) enable participate collaborative system by sharing and services between one another. A built-in mechanism allows users non-programmatically create shared application-internal components establish communication, handle service propagation discovery...