F. D’Alessio
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View article: Surface Changes on Io Observed by Large Binocular Telescope/SHARK in Early 2025
Surface Changes on Io Observed by Large Binocular Telescope/SHARK in Early 2025 Open
High spatial resolution images of the volcanic moon Io at visible and near-infrared wavelengths were obtained by the SHARK-VIS and SHARK-NIR instruments on the Large Binocular Telescope on UT 2025 February 18 and 23. Large-scale changes on…
View article: End-to-End simulation framework for astronomical spectrographs: SOXS, CUBES and ANDES
End-to-End simulation framework for astronomical spectrographs: SOXS, CUBES and ANDES Open
We present our numerical simulation approach for the End-to-End (E2E) model applied to various astronomical spectrographs, such as SOXS (ESO-NTT), CUBES (ESO-VLT), and ANDES (ESO-ELT), covering multiple wavelength regions. The E2E model ai…
View article: Walking with SOXS towards the transient sky
Walking with SOXS towards the transient sky Open
SOXS (Son Of X-Shooter) is the new ESO instrument that is going to be\ninstalled on the 3.58-m New Technology Telescope at the La Silla Observatory.\nSOXS is a single object spectrograph offering a wide simultaneous spectral\ncoverage from…
View article: Turbulent flame speed of thermodiffusively unstable flames: experimental investigation and scaling
Turbulent flame speed of thermodiffusively unstable flames: experimental investigation and scaling Open
This work presents an experimental set of Bunsen flames characterized by a moderate Reynolds number and a variable turbulence intensity. Ten lean hydrogen-enriched methane-air mixtures at three levels of turbulence are investigated, rangin…
View article: Intrinsic instability of lean hydrogen/ammonia premixed flames: Influence of Soret effect and pressure
Intrinsic instability of lean hydrogen/ammonia premixed flames: Influence of Soret effect and pressure Open
The addition of hydrogen in ammonia/air mixtures can lead to the onset of intrinsic flame instabilities at conditions of technical relevance. The length and time scales of intrinsic instabilities can be estimated by means of linear stabili…
View article: Crescent MOONS: an update on the ongoing construction of the new VLT's multi-object spectrograph
Crescent MOONS: an update on the ongoing construction of the new VLT's multi-object spectrograph Open
The Multi Object Optical and Near-infrared Spectrograph (MOONS) instrument is the next generation multi-object spectrograph for the VLT. This powerful instrument will combine for the first time: the large collecting power of the VLT with a…
View article: Development status of the SOXS spectrograph for the ESO-NTT telescope
Development status of the SOXS spectrograph for the ESO-NTT telescope Open
SOXS (Son Of X-Shooter) is a single object spectrograph, characterized by\noffering a wide simultaneous spectral coverage from U- to H-band, built by an\ninternational consortium for the 3.6-m ESO New Technology Telescope at the La\nSilla …
View article: MOONS : the new Multi-Object Spectrograph for the VLT
MOONS : the new Multi-Object Spectrograph for the VLT Open
MOONS is the new Multi-Object Optical and Near-infrared Spectrograph currently under construction for the Very Large Telescope (VLT) at ESO. This remarkable instrument combines, for the first time, the collecting power of an 8-m telescope,…
View article: Son of X--Shooter: a multi--band instrument for a multi--band universe
Son of X--Shooter: a multi--band instrument for a multi--band universe Open
Son Of X-Shooter (SOXS) will be a new instrument designed to be mounted at the Nasmyth--A focus of the ESO 3.5 m New Technology Telescope in La Silla site (Chile). SOXS is composed of two high-efficiency spectrographs with a resolution sli…
View article: SOXS Control Electronics Design
SOXS Control Electronics Design Open
SOXS (Son Of X-Shooter) is a unique spectroscopic facility that will operate at the ESO New Technology Telescope (NTT) in La Silla from 2020 onward. The spectrograph will be able to cover simultaneously the UV-VIS and NIR bands exploiting …
View article: The assembly integration and test activities for the new SOXS instrument at NTT
The assembly integration and test activities for the new SOXS instrument at NTT Open
Son Of X-Shooter (SOXS) is the new instrument for the ESO 3.5 m New Technology Telescope (NTT) in La Silla site (Chile) devised for the spectroscopic follow-up of transient sources. SOXS is composed by two medium resolution spectrographs a…
View article: The Acquisition Camera System for SOXS at NTT
The Acquisition Camera System for SOXS at NTT Open
SOXS (Son of X-Shooter) will be the new medium resolution (R$\sim$4500 for a 1 arcsec slit), high-efficiency, wide band spectrograph for the ESO-NTT telescope on La Silla. It will be able to cover simultaneously optical and NIR bands (350-…
View article: The mechanical design of SOXS for the NTT
The mechanical design of SOXS for the NTT Open
SOXS (Son of X-shooter) is a wide band, medium resolution spectrograph for the ESO NTT with a first light expected in 2021. The instrument will be composed by five semi-independent subsystems: a pre-slit Common Path, an Acquisition Camera,…
View article: The VIS detector system of SOXS
The VIS detector system of SOXS Open
SOXS will be a unique spectroscopic facility for the ESO NTT telescope able to cover the optical and NIR bands thanks to two different arms: the UV-VIS (350-850 nm), and the NIR (800-1800 nm). In this article, we describe the design of the…
View article: The NIR Spectrograph for the new SOXS instrument at the NTT
The NIR Spectrograph for the new SOXS instrument at the NTT Open
We present the NIR spectrograph of the Son Of XShooter (SOXS) instrument for the ESO-NTT telescope at La Silla (Chile). SOXS is a R~4,500 mean resolution spectrograph, with a simultaneously coverage from about 0.35 to 2.00 μm. It will be m…
View article: The Common Path of SOXS (Son of X-Shooter)
The Common Path of SOXS (Son of X-Shooter) Open
Son of X-Shooter (SOXS) will be a high-efficiency spectrograph with a mean Resolution-Slit product of $\sim 4500$ (goal 5000) over the entire band capable of simultaneously observing the complete spectral range 350-2000 nm. It consists of …
View article: Architecture of the SOXS instrument control software
Architecture of the SOXS instrument control software Open
SOXS (Son Of X-Shooter) is a new spectrograph for the ESO NTT telescope,\ncurrently in the final design phase.\n The main instrument goal is to allow the characterization of transient\nsources based on alerts. It will cover from near-infra…