A5053643500- Astronomy and Astrophysical Research
- Adaptive optics and wavefront sensing
- Calibration and Measurement Techniques
- Stellar, planetary, and galactic studies
- Infrared Target Detection Methodologies
- Spacecraft Design and Technology
- Planetary Science and Exploration
- Astronomical Observations and Instrumentation
- Distributed and Parallel Computing Systems
- Scientific Computing and Data Management
- Superconducting and THz Device Technology
- Advanced optical system design
- Solar and Space Plasma Dynamics
- Reservoir Engineering and Simulation Methods
- Geophysics and Gravity Measurements
- Advanced Surface Polishing Techniques
- Gamma-ray bursts and supernovae
- Particle accelerators and beam dynamics
- Optical measurement and interference techniques
- Astrophysics and Star Formation Studies
- Spacecraft and Cryogenic Technologies
- Atmospheric Ozone and Climate
- Cloud Computing and Resource Management
- Space Satellite Systems and Control
- Optical Systems and Laser Technology
Institute for Space Astrophysics and Planetology
2022-2024
Leibniz Institute for Astrophysics Potsdam
2008-2020
Instituto de Astrofísica de Canarias
2020
University of Florence
2018
Istituto Nazionale di Fisica Nucleare
2016
Arcetri Astrophysical Observatory
2016
Observatoire Cantonal de Neuchâtel
2014
National Institute for Astrophysics
2004-2007
Collurania Teramo Observatory
2004-2006
The first generation of E-ELT instruments will include an optic-infrared High Resolution Spectrograph, conventionally indicated as EELT-HIRES, which be capable providing unique breakthroughs in the fields exoplanets, star and planet formation, physics evolution stars galaxies, cosmology fundamental physics. A 2-year long phase study for EELT-HIRES has just started performed by a consortium composed institutes organisations from Brazil, Chile, Denmark, France, Germany, Italy, Poland,...
The current instrumentation plan for the E-ELT foresees a High Resolution Spectrograph conventionally indicated as HIRES. Shaped on study of extra-solar planet atmospheres, Pop-III stars and fundamental physical constants, HIRES is intended to embed observing modes at high-resolution (up R=150000) large spectral range (from blue limit K band) useful suite science cases that can exclusively be tackled by E-ELT. We present in this paper solution envisaged "HIRES initiative", international...
We present the results from phase A study of ELT-HIRES, an optical-infrared High Resolution Spectrograph for ELT, which has just been completed by a consortium 30 institutes 12 countries forming team about 200 scientists and engineers. The top science cases ELT-HIRES will be detection life signatures exoplanet atmospheres, tests on stability Nature's fundamental couplings, direct cosmic acceleration. However, requirements these enable many other groundbreaking cases. baseline design, allows...
Thanks to exceptional coldness, low sky brightness and content of water vapour the above atmosphere Dome C, one three highest peaks large Antarctic plateau, is likely be best site on Earth for thermal infrared observations (2.3-300 μm) as well far range (30 μm-1mm). IRAIT (International Robotic Infrared Telescope) will first European telescope operating at C. It delivered Antarctica end 2006, reach C 2007 winter-over operation start in spring 2008. offer a unique opportunity astronomers test...
Abstract We present the design concept of spectropolarimeter for high‐resolution echelle spectrograph PEPSI tobe installed at 2 × 8.4 m Large Binocular Telescope (LBT) in Arizona. discuss optical key elements, principles operations instrument and its instrumental polarization effects (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
HIRES will be the high-resolution spectrograph of European Extremely Large Telescope at optical and near-infrared wavelengths. It consists three fibre-fed spectrographs providing a wavelength coverage 0.4-1.8 mic (goal 0.35-1.8 mic) spectral resolution ~100,000. The fibre-feeding allows to have several, interchangeable observing modes including SCAO module small diffraction-limited IFU in NIR. Therefore, it able operate both seeing modes. ELT-HIRES has wide range science cases spanning...
We present the design, architecture and results of End-to-End simulator model high resolution spectrograph HIRES for European Extremely Large Telescope (E-ELT). This system can be used as a tool to characterize both by engineers scientists. The allows simulate behavior photons starting from scientific object (modeled bearing in mind main science drivers) detector, considering also calibration light sources, allowing perform evaluation different parameters design. In this paper, we will...
For every astronomical instrument, the operating conditions are undoubtedly different from those defined in a setup experiment. Besides environmental conditions, drives, electronic cabinets containing heaters and fans introduce disturbances that must be taken into account already preliminary design phase. Such can identified as being mostly of two types: heat sources/sinks or cooling systems responsible for transfer via conduction, radiation, free forced convection on one side random...
AMICA (Antarctic Multiband Infrared CAmera) is an instrument designed to perform astronomical imaging in the near- (1-5 μm) and mid- (5–27 infrared wavelength regions. Equipped with two detectors, InSb 2562 a Si:As 1282 IBC, cooled at 35 7 K respectively, it will be first investigate potential of Italian-French base Concordia for IR astronomy. The main technical challenge represented by extreme conditions Dome C (T ~ -90 °C, p 640 mbar). An environmental control system ensures correct...
We present the optical design of ELT polarimeter in context Phase-A study for HIRES. It is well known that order to reduce instrumental polarization and cross-talk, optimal position a along path telescope rotationally symmetric focus. In particular case this represented by intermediate focus (IF) below M4 which not directly accessible needs therefore reimaging safety distance at least 500 mm. The transfer optics unit such location challenging due constraint having an allowed vignetting area...
The Phase A study for the high-resolution spectrograph Extremely Large Telescope (ELT-HIRES) has been concluded in late 2017. We present main outcome a polarimetric light feed from intermediate focus (IF) and Nasmyth of telescope. conclude that use IF is mandatory high-precision spectropolarimetry. Among description product tree, we phase-A level opto-mechanical designs subunits, describe observational calibration modes, PSF error budget, preliminary FEM structural earthquake analysis. An...
The Antarctica Plateau has recently turned out to be the best place on Earth perform astronomical infrared observations in 2-20 um atmospheric windows and beyond, thanks extremely low sky background emission, excellent transparency stability, virtual absence of winds possibility passively cooling telescope its focal plane instruments down very temperatures. Dome C, a site jointly exploited by Italian French scientific teams framework Concordia project, lays at an altitude 3200m presents...
We introduce the opto-mechanical architecture of a high precision, full Stokes vector, dual-channel polarimeter for European Extremely Large Telescope's High Resolution spectrograph (E-ELT HIRES). It is foreseen to feed two modules simultaneously through standard Front End subunit located on Nasmyth platform via fiber bundles; one optimized optical (BVRI), other infrared (zYJH) bands. The below M4 in f/4.4 intermediate focus, representing only rotationally symmetric focus available, and...
The GTC (Gran Telescopio Canarias), with an equivalent aperture of 10.4 m, effective focal length 169.9 located at the Observatorio del Roque de los Muchachos , in La Palma, Canary Islands, will host on its Cassegrain focus GRAPE polarimeter (GRAntecan PolarimEter). At such plate scale is 1.21 arcsec/mm and unvignetted FOV 8 arcmin. instrument provide full Stokes polarimetry spectral range 380-1500 nm, feeding simultaneously up to two spectrographs. moment interface HORS (High Optical...
A full Stokes dual channel polarimeter for the E-ELT HIRES spectrograph has been envisioned intermediate focus f/4.4, operating within a spectral range of 0.4-1.6 μ. It will feed EELT- instrument located on Nasmyth platform via two pairs dedicated fibers: one fibre pair optimized BVRI, other JH band or any feasible combination. The must be retractable workspace in fulfillment with ESO requirements allocated volume and dynamic response AO tower. For such purpose swinging arm designed rotation...
The Antarctic Plateau offers unique opportunities for ground-based Infrared Astronomy. AMICA (Antarctic Multiband CAmera) is an instrument designed to perform astronomical imaging from Dome-C in the near- (1 - 5 μm) and mid- (5 27 infrared wavelength regions. camera consists of two channels, equipped with a Raytheon InSb 256 array detector DRS MF-128 Si:As IBC detector, cryocooled at 35 7 K respectively. Cryogenic devices will move filter wheel sliding mirror, used feed alternatively...
The two spectropolarimeters for PEPSI (Potsdam Echelle Polarimetric and Spectroscopic Instrument) have been de¬signed in order to reconstruct the full Stokes vector measuring linear circular polarization simultaneously with a re¬solving power of 120,000. polarimeters will be attached Gregorian focus so far largest LBT 2x8.4m telescope feed together permanent stations spectrograph via 44m long fibers connection. located pressure-temperature controlled chamber within pier. We present hereafter...
In the current work we illustrate design of laboratory setup realized for optical alignment a deployable Cassegrain telescope space applications, in framework DORA (Deployable Optics Remote sensing Applications) project. After series trade-off analyses leading to five different layouts, best candidate terms compactness, reduced payload mass and volume, minimal obstruction secondary mirror structure has been selected [1]. The components have manufactured prototype is currently under...
The Concordia Station (Candidi 2003), on the Antarctica Plateau, will soon become one of best observatories to perform infrared observations in 2–20 μm atmospheric windows and beyond, thanks its low sky background, temperature high transparency. possibility passively cooling telescope is a further advantage. We describe here first permanent Antarctic telescope, under development for Dome C base. It International Robotic Infrared Telescope (IRAIT). briefly outline few scientific motivations...
High resolution spectroscopy has been considered of a primary importance to exploit the main scientific cases foreseen for ESO ELT, Extremely Large Telescope, future largest optical-infrared telescope in world. In this context commissioned Phase-A feasibility study construction high spectrograph tentatively named HIRES. The study, which lasted 1.5 years, started on March 2016 and was completed with review phase held at Garching headquarters aim assess technical proposed instrument. One tasks...
ICE-T (International Concordia Explorer Telescope) is a double 60 cm f/1.1 photometric robotic telescope, on parallactic mount, which will operate at Dome C, in the long Antarctic night, aiming to investigate exoplanets and activity of hosting stars. Plateau site well known be one best world for observations because sky transparency all wavelengths low scintillation noise. Due extremely harsh environmental conditions (the lowest average temperature –80°C) criteria adopted an optimal design...
We present the updated design and architecture of End-to-End simulator model high resolution spectrograph HIRES for future Extremely Large Telescope (ELT). The allows to simulate propagation photons starting from scientific object interest up detector, allowing evaluate performance impact different parameters in design. also includes a calibration light module, suitable data reduction requirements. In this paper, we will detail computational which are strongly characterized by modularity...
ELT-HIRES (High Resolution Spectrograph for the Extremely Large Telescope) is a multifold fiber-fed spectrograph planned Nasmyth B focal station on ELT, with large spectral coverage, ranging from 0.4 to 1.8 μ. It's our intention equip it full Stokes polarimetric facility, feeding UBVRI and zYJH bands. Among most relevant scientific targets there detection of life signature in extrasolar atmospheres Earth-like planets. The instrument will consist two subunits: main one intended be...