395 citations · 813 across the 33 of their papers we have counts for
34 papers
Twenty-five years of XMM-Newton EPIC-MOS2 Unfocused Particle Background: Solar Cycle Modulation, Galactic Cosmic-Ray Correlation, and Implications for NewAthena
B. Vaia, F. Gastaldello, S. Molendi +13
We present a study of the unfocused particle-induced background measured by the XMM-Newton EPIC-MOS2 detector, extending previous analyses to the end of 2025 and covering approxima…
Ground calibration plan for the Athena/X-IFU microcalorimeter spectrometer
Alexeï Molin, François Pajot, Marc Audard +24
The X-ray Integral Field Unit is the X-ray imaging spectrometer on-board one of ESA's next large missions, Athena. Athena is set to investigate the theme of the Hot and Energetic U…
The X-ray Integral Field Unit at the end of the Athena reformulation phase
Philippe Peille, Didier Barret, Edoardo Cucchetti +279
The Athena mission entered a redefinition phase in July 2022, driven by the imperative to reduce the mission cost at completion for the European Space Agency below an acceptable ta…
Unveiling the origin of XMM-Newton soft proton flares II. Systematics in the proton spectral analysis
T. Mineo, V. Fioretti, S. Lotti +7
Low-energy protons entering the field of view of the XMM-Newton telescope scatter with the X-ray mirror surface and might reach the X-ray detectors on the focal plane. They manifes…
The TES-based Cryogenic AntiCoincidence Detector of ATHENA X-IFU: Validation of the thermal end-to-end simulator towards the updated Demonstration Model (DM 1.1)
Matteo D'Andrea, Claudio Macculi, Simone Lotti +13
The Cryogenic AntiCoincidence Detector (CryoAC) is a key element of the X-ray Integral Field Unit (X-IFU) on board the future ATHENA X-ray observatory. It is a TES-based detector d…
Unveiling the origin of XMM-Newton soft proton flares: I. Design and validation of a response matrix for proton spectral analysis
Valentina Fioretti, Teresa Mineo, Simone Lotti +8
Low-energy (<300 keV) protons entering the field of view of XMM-Newton are observed in the form of a sudden increase in the background level, the so-called soft proton flares, affe…
The end-to-end simulator of the ATHENA X-IFU Cryogenic AntiCoincidence detector (CryoAC)
Matteo D'Andrea, Claudio Macculi, Simone Lotti +8
The X-IFU is one of the two instruments of ATHENA, the next ESA large X-ray observatory. It is a cryogenic spectrometer based on an array of TES microcalorimeters. To reduce the pa…
The TES-based Cryogenic AntiCoincidence Detector (CryoAC) of ATHENA X-IFU: a large area silicon microcalorimeter for background particles detection
M. D'Andrea, C. Macculi, S. Lotti +14
We are developing the Cryogenic AntiCoincidence detector (CryoAC) of the ATHENA X-IFU spectrometer. It is a TES-based particle detector aimed to reduce the background of the instru…
The Athena X-ray Integral Field Unit: a consolidated design for the system requirement review of the preliminary definition phase
Didier Barret, Vincent Albouys, Jan-Willem den Herder +296
The Athena X-ray Integral Unit (X-IFU) is the high resolution X-ray spectrometer, studied since 2015 for flying in the mid-30s on the Athena space X-ray Observatory, a versatile ob…
Geant4 simulation of the residual background in the ATHENA Wide Field Imager from protons deflected by the Charged Particle Diverter
Gábor Galgóczi, Jean-Paul Breuer, Valentina Fioretti +11
X-ray telescopes opened up a new window into the high-energy universe. However, the last generation of these telescopes encountered an unexpected problem: their optics focused not…
Athena charged particle diverter simulations: effects of micro-roughness on proton scattering using Geant4
Jean-Paul Breuer, Gábor Galgóczi, Valentina Fioretti +12
The last generation of X-ray focusing telescopes operating outside the Earth's radiation belt discovered that optics were able to focus not only astrophysical X-ray photons, but al…
ATHENA X-IFU Demonstration Model: First joint operation of the main TES Array and its Cryogenic AntiCoincidence Detector (CryoAC)
M. D'Andrea, K. Ravensberg, A. Argan +28
The X-IFU is the cryogenic spectrometer onboard the future ATHENA X-ray observatory. It is based on a large array of TES microcalorimeters, which works in combination with a Cryoge…
Review of the particle background of the Athena X-IFU instrument
Simone Lotti, Matteo D'Andrea, Silvano Molendi +6
X-ray observations are limited by the background, due to intrinsic faintness or diffuse nature of the sources. The future Athena X-ray observatory has among its goals the character…
Soft proton scattering at grazing incidence from X-ray mirrors: analysis of experimental data in the framework of the non-elastic approximation
R. Amato, T. Mineo, A. D'Aì +9
Astronomical X-ray observatories with grazing incidence optics face the problem of pseudo-focusing of low energy protons from the mirrors towards the focal plane. Those protons con…
Thermal simulations of temperature excursions on the Athena X-IFU detector wafer from impacts by cosmic rays
Samantha Lynn Stever, Philippe Peille, Marcel Bruijn +5
We present the design and implementation of a thermal model, developed in COMSOL, aiming to probe the wafer-scale thermal response arising from realistic rates and energies of cosm…
The Demonstration Model of the ATHENA X-IFU Cryogenic AntiCoincidence Detector
Matteo D'Andrea, Claudio Macculi, Guido Torrioli +11
The Cryogenic AntiCoincidence Detector (CryoAC) of ATHENA X-IFU is designed to reduce the particle background of the instrument and to enable the mission science goals. It is a 4 p…
Magnetic shielding of soft protons in future X-ray telescopes: the case of the ATHENA Wide Field Imager
Valentina Fioretti, Andrea Bulgarelli, Silvano Molendi +10
Both the interplanetary space and the Earth magnetosphere are populated by low energy ( keV) protons that are potentially able to scatter on the reflecting surface of Wolt…
The Cryogenic AntiCoincidence detector for ATHENA X-IFU: improvement of the test setup towards the Demonstration Model
Matteo D'Andrea, Claudio Macculi, Andrea Argan +8
The ATHENA X-IFU development program foresees to build and characterize an instrument Demonstration Model (DM), in order to probe the system critical technologies before the missio…
The Cryogenic AntiCoincidence detector for ATHENA X-IFU: assessing the role of the athermal phonons collectors in the AC-S8 prototype
Matteo D'Andrea, Claudio Macculi, Andrea Argan +7
The ATHENA X-ray Observatory is the second large-class mission in the ESA Cosmic Vision 2015-2025 science programme. One of the two on-board instruments is the X-IFU, an imaging sp…
The Athena X-ray Integral Field Unit
Didier Barret, Thien Lam Trong, Jan-Willem den Herder +100
The X-ray Integral Field Unit (X-IFU) is the high resolution X-ray spectrometer of the ESA Athena X-ray observatory. Over a field of view of 5' equivalent diameter, it will deliver…
The Cryogenic Anticoincidence Detector for ATHENA X-IFU: Preliminary test of AC-S9 towards the Demonstration Model
Matteo D'Andrea, Claudio Macculi, Andrea Argan +9
Our team is developing the Cryogenic Anticoincidence Detector (CryoAC) of the ATHENA X-ray Integral Field Unit (X-IFU). It is a 4-pixels TES-based detector, which will be placed le…
Reproducibility and monitoring of the instrumental particle background for the X-Ray Integral Field Unit
Edoardo Cucchetti, Etienne Pointecouteau, Didier Barret +7
The X-ray Integral Field Unit (X-IFU) is the cryogenic imaging spectrometer on board the future X-ray observatory \textsl{Athena}. With a hexagonal array of 3840 AC-biased Transiti…
The Geant4 mass model of the ATHENA Silicon Pore Optics and its effect on soft proton scattering
Valentina Fioretti, Andrea Bulgarelli, Simone Lotti +6
Given the unprecedented effective area, the new ATHENA Silicon Pore Optics (SPO) focusing technology, the dynamic and variable L2 environment, where no X-ray mission has flown up t…
Geant4 simulations of soft proton scattering in X-ray optics. A tentative validation using laboratory measurements
Valentina Fioretti, Teresa Mineo, Andrea Bulgarelli +6
Low energy protons (< 300 keV) can enter the field of view of X-ray space telescopes, scatter at small incident angles, and deposit energy on the detector, causing intense backgrou…