G. Morgante
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View article: First operation of the FAMU experiment at the RIKEN-RAL high intensity muon beam facility
First operation of the FAMU experiment at the RIKEN-RAL high intensity muon beam facility Open
The FAMU experiment, supported and funded by the Italian Institute of Nuclear Physics (INFN) and by the Science and Technology Facilities Council (STFC), aims to perform the first measurement of the ground-state hyperfine splitting ( 1S-hf…
View article: A simulation framework for the <i>LiteBIRD</i> instruments
A simulation framework for the <i>LiteBIRD</i> instruments Open
LiteBIRD , the Lite (Light) satellite for the study of B-mode polarization and Inflation from cosmic background Radiation Detection, is a space mission focused on primordial cosmology and fundamental physics. In this paper, we present the …
View article: On the computational feasibility of Bayesian end-to-end analysis of <i>LiteBIRD</i> simulations within Cosmoglobe
On the computational feasibility of Bayesian end-to-end analysis of <i>LiteBIRD</i> simulations within Cosmoglobe Open
We assess the computational feasibility of end-to-end Bayesian analysis of the JAXA-led LiteBIRD experiment by analysing simulated time ordered data (TOD) for a subset of detectors through the Cosmoglobe and Commander3 framework. The data …
View article: Requirements on bandpass resolution and measurement precision for LiteBIRD
Requirements on bandpass resolution and measurement precision for LiteBIRD Open
Systematic effects can hinder the sought-after detection of primordial gravitational waves, impacting the reconstruction of the B -mode polarization signal which they generate in the cosmic microwave background (CMB). In this work, we stud…
View article: First operation of the FAMU experiment at the RIKEN-RAL high intensity muon beam facility
First operation of the FAMU experiment at the RIKEN-RAL high intensity muon beam facility Open
The FAMU experiment, supported and funded by the Italian Institute of Nuclear Physics (INFN) and by the Science and Technology Facilities Council (STFC), aims to perform the first measurement of the ground-state hyperfine splitting (1S-hfs…
View article: Measurement of the muon transfer rate from muonic hydrogen to carbon in the FAMU experiment
Measurement of the muon transfer rate from muonic hydrogen to carbon in the FAMU experiment Open
In 2016, the FAMU collaboration performed an experiment to measure the temperature dependence of the muon transfer rate from muonic hydrogen to different atoms (carbon, oxygen and argon). The results obtained with oxygen have been already …
View article: First release of LiteBIRD simulations from an end-to-end pipeline
First release of LiteBIRD simulations from an end-to-end pipeline Open
The LiteBIRD satellite mission aims at detecting Cosmic Microwave Background $B$ modes with unprecedented precision, targeting a total error on the tensor-to-scalar ratio $r$ of $δr \sim 0.001$. Operating from the L2 Lagrangian point of th…
View article: On the computational feasibility of Bayesian end-to-end analysis of LiteBIRD simulations within Cosmoglobe
On the computational feasibility of Bayesian end-to-end analysis of LiteBIRD simulations within Cosmoglobe Open
We assess the computational feasibility of end-to-end Bayesian analysis of the JAXA-led LiteBIRD experiment by analysing simulated time ordered data (TOD) for a subset of detectors through the Cosmoglobe and Commander3 framework. The data …
View article: Euclid preparation: The NISP spectroscopy channel, on ground performance and calibration
Euclid preparation: The NISP spectroscopy channel, on ground performance and calibration Open
ESA's Euclid cosmology mission relies on the very sensitive and accurately calibrated spectroscopy channel of the Near-Infrared Spectrometer and Photometer (NISP). With three operational grisms in two wavelength intervals, NISP provides di…
View article: On beam characterization of ground-based CMB radio telescopes using UAV-mounted sources: application to the QUIJOTE TFGI and plans for LSPE-Strip
On beam characterization of ground-based CMB radio telescopes using UAV-mounted sources: application to the QUIJOTE TFGI and plans for LSPE-Strip Open
The Large Scale Polarization Explorer (LSPE) project, funded by the Italian Space Agency (ASI), includes the development of LSPE-Strip, a ground-based radio telescope for observing Cosmic Microwave Background (CMB) anisotropies. LSPE-Strip…
View article: Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation
Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation Open
The detection of primordial B modes of the cosmic microwave background (CMB) could provide information about the early stages of the Universe's evolution. The faintness of this signal requires exquisite calibration accuracy and control of …
View article: Multi-dimensional optimisation of the scanning strategy for the LiteBIRD space mission
Multi-dimensional optimisation of the scanning strategy for the LiteBIRD space mission Open
Large angular scale surveys in the absence of atmosphere are essential for measuring the primordial B-mode power spectrum of the Cosmic Microwave Background (CMB). Since this proposed measurement is about three to four orders of magnitude …
View article: Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation
Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation Open
Future cosmic microwave background (CMB) experiments are primarily targeting a detection of the primordial $B$-mode polarisation. The faintness of this signal requires exquisite control of systematic effects which may bias the measurements…
View article: Performance of the image persistence model for Euclid infrared detectors
Performance of the image persistence model for Euclid infrared detectors Open
Large-format infrared detectors are at the heart of major ground and space-based astronomical instruments, and the HgCdTe HxRG is the most widely used. The Near Infrared Spectrometer and Photometer (NISP) of the ESA’s Euclid mission launch…
View article: The Ariel payload design post-PDR
The Ariel payload design post-PDR Open
The Ariel space mission will characterize spectroscopically the atmospheres of a large and diverse sample of hundreds of exoplanets. Through the study of targets with a wide range of planetary parameters (mass, density, equilibrium tempera…
View article: Euclid near infrared spectrometer and photometer instrument NISP in space
Euclid near infrared spectrometer and photometer instrument NISP in space Open
International audience
View article: The LiteBIRD mission to explore cosmic inflation
The LiteBIRD mission to explore cosmic inflation Open
LiteBIRD, the next-generation cosmic microwave background (CMB) experiment, aims for a launch in Japan's fiscal year 2032, marking a major advancement in the exploration of primordial cosmology and fundamental physics. Orbiting the Sun-Ear…
View article: The HERMES (High Energy Rapid Modular Ensemble of Satellites) Pathfinder mission
The HERMES (High Energy Rapid Modular Ensemble of Satellites) Pathfinder mission Open
HERMES (High Energy Rapid Modular Ensemble of Satellites) Pathfinder is a\nspace-borne mission based on a constellation of six nano-satellites flying in a\nlow-Earth orbit (LEO). The 3U CubeSats, to be launched in early 2025, host\nminiatu…
View article: <i>Euclid</i>
<i>Euclid</i> Open
The Near-Infrared Spectrometer and Photometer (NISP) on board the Euclid satellite provides multiband photometry and R ≳ 450 slitless grism spectroscopy in the 950–2020 nm wavelength range. In this reference article, we illuminate the back…
View article: <i>Euclid</i>
<i>Euclid</i> Open
The near-infrared calibration unit (NI-CU) on board Euclid ’s Near-Infrared Spectrometer and Photometer (NISP) is the first astronomical calibration lamp based on light-emitting diodes (LEDs) to be operated in space. Euclid is a mission in…
View article: LiteBIRD Science Goals and Forecasts. Mapping the Hot Gas in the Universe
LiteBIRD Science Goals and Forecasts. Mapping the Hot Gas in the Universe Open
We assess the capabilities of the LiteBIRD mission to map the hot gas distribution in the Universe through the thermal Sunyaev-Zeldovich (SZ) effect. Our analysis relies on comprehensive simulations incorporating various sources of Galacti…
View article: Temperature mapping methods for thermoelastic analyses of the ARIEL spacecraft payload module
Temperature mapping methods for thermoelastic analyses of the ARIEL spacecraft payload module Open
The ARIEL mission is a European space project that aims to detect exoplanets with a spacecraft orbiting around the L2 point of the Sun-Earth system. The main payload consists of a Cassegrain telescope composed of mirrors that reflect and c…
View article: LiteBIRD science goals and forecasts: primordial magnetic fields
LiteBIRD science goals and forecasts: primordial magnetic fields Open
We present detailed forecasts for the constraints on the characteristics of primordial magnetic fields (PMFs) generated prior to recombination that will be obtained with the LiteBIRD satellite. The constraints are driven by some of the mai…
View article: Euclid commissioning results: the near infrared spectrometer and photometer (NISP) signal detection chain
Euclid commissioning results: the near infrared spectrometer and photometer (NISP) signal detection chain Open
Euclid, the M2 mission of the ESA’s Cosmic Vision 2015-2025 program, aims to explore the Dark Universe by conducting a survey of approximately 14 000 deg2 and creating a 3D map of the observable Universe of around 1.5 billion galaxies up t…
View article: Upgrading SPHERE with the second-stage adaptive optics system SAXO+: conceptual design of the opto-mechanical module
Upgrading SPHERE with the second-stage adaptive optics system SAXO+: conceptual design of the opto-mechanical module Open
International audience
View article: Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD
Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD Open
We present a study of the impact of a beam far side-lobe lack of knowledge on the measurement of the Cosmic Microwave Background B -mode signal at large scale. Beam far side-lobes induce a mismatch in the transfer function of Galactic fore…
View article: LSPE-Strip on-sky calibration strategy using bright celestial sources
LSPE-Strip on-sky calibration strategy using bright celestial sources Open
In this paper we describe the global on-sky calibration strategy of the LSPE-Strip instrument. Strip is a microwave telescope operating in the Q- and W-bands (central frequencies of 43 and 95 GHz respectively) from the Observatorio del Tei…