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Related papers: The CODEX-ESPRESSO experiment: cosmic dynamics, fu…

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High performance computing numerical simulations are today one of the more effective instruments to implement and study new theoretical models, and they are mandatory during the preparatory phase and operational phase of any scientific…

Instrumentation and Methods for Astrophysics · Physics 2019-04-29 Giuliano Taffoni , Giuseppe Murante , Luca Tornatore , David Goz , Stefano Borgani , Manolis Katevenis , Nikolaos Chrysos , Manolis Marazakis

ESO is in the process of upgrading one of the two FORS (FOcal Reducer/low dispersion Spectrograph) instruments - a multi-mode (imaging, polarimetry, long-slit, and multi-object spectroscopy) optical instrument mounted on the Cassegrain…

In previous work [Amendola {\it et al.}, Phys. Rev. D86 (2012) 063515], Principal Component Analysis based methods to constrain the dark energy equation of state using Type Ia supernovae and other low redshift probes were extended to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-22 A. C. O. Leite , C. J. A. P. Martins

We present recent work undertaken by the Evolution and Seismic Tools Activity (ESTA) team of the CoRoT Seismology Working Group. The new ESTA-Task 3 aims at testing, comparing and optimising stellar evolution codes which include microscopic…

Direct detection and detailed characterization of exoplanets using extreme adaptive optics (ExAO) is a key science goal of future extremely large telescopes (ELTs). However, wavefront errors will limit the sensitivity of this endeavor.…

Instrumentation and Methods for Astrophysics · Physics 2019-10-11 Benjamin L. Gerard , Christian Marois , Raphaël Galicher , Pierre Baudoz , Polychronis Patapis , Jonas Kühn

We present a mission designed for the study of transient phenomena in the high energy sky, through a wide field X-ray/hard X-ray monitor, and fast (< 1 min) follow up observations with Narrow Field Instrumentation. This is based on an X-ray…

Astrophysics · Physics 2010-11-11 Enrico Costa , Luigi Piro

The future extremely large telescopes (ELTs) are expected to be powerful tools to probe the atmospheres of extrasolar planets using high-dispersion spectroscopy, with the potential to detect molecular oxygen in Earth-like planets transiting…

Earth and Planetary Astrophysics · Physics 2019-01-30 Dilovan B. Serindag , Ignas A. G. Snellen

The experimental search for ultra high energy cosmic messengers, from $E\sim 10^{19}$ eV to beyond $E\sim 10^{20}$ eV, at the very end of the known energy spectrum, constitutes an extraordinary opportunity to explore a largely unknown…

High Energy Astrophysical Phenomena · Physics 2015-05-14 Andrea Santangelo , Alessandro Petrolini

We outline our plan to develop ProtoEXIST, a balloon-borne prototype experiment for the Energetic X-ray Imaging Survey Telescope (EXIST) for the Black Hole Finder Probe. EXIST will consist of multiple wide-field hard X-ray coded-aperture…

Astrophysics · Physics 2016-08-30 J. Hong , A. Copete , J. E. Grindlay , S. V. Vadawale , W. W. Craig , F. Harrison , W. R. Cook , N. Gehrels

A new generation of telescopes with mirror diameters of 20 m or more, called extremely large telescopes (ELTs) has the potential to provide unprecedented imaging and spectroscopy of exo-planetary systems, if the difficulties in achieving…

Instrumentation and Methods for Astrophysics · Physics 2016-04-20 Richard A. Frazin

TeV photons from extragalactic sources are absorbed in the intergalactic medium and initiate electromagnetic cascades. These cascades offer a unique tool to probe the properties of the universe at cosmological scales. We present a new Monte…

High Energy Astrophysical Phenomena · Physics 2017-01-04 T. Fitoussi , R. Belmont , J. Malzac , A. Marcowith , J. Cohen-Tanugi , P. Jean

The large aperture and sensitive optical and near infrared imager spectrographs will enable an ELT system to observe some supernovae at large distances, deep into cosmological history when supernovae first began to occur.

Instrumentation and Methods for Astrophysics · Physics 2019-03-06 J. Craig Wheeler , József Vinkó , Rafaella Margutti , Dan Milisavljevic , Maryam Modjaz , Sung-Chul Yoon

The present day observations favour a universe which is flat, accelerated and composed of $\sim 1/3$ matter (baryonic + dark) and $\sim 2/3$ of a negative pressure component, usually referred to as dark energy or quintessence. The Cosmic…

Astrophysics · Physics 2009-11-10 Abha Dev , Deepak Jain , Shobhit Mahajan

The second-generation interferometric gravitational wave detectors currently under construction are expected to make their first detections within this decade. This will firmly establish gravitational wave physics as an empirical science…

General Relativity and Quantum Cosmology · Physics 2015-06-15 Chris Van Den Broeck

Recent measurements of ultra-high energy cosmic rays and neutrinos are briefly reviewed. With several new large scale observatories nearing completion or becoming fully operational only very recently, a large body of high quality and high…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Karl-Heinz Kampert

We present FORECAST, a new flexible and adaptable software package that performs forward modeling of the output of any cosmological hydrodynamical simulations to create a wide range of realistic synthetic astronomical images. With…

Cool evolved stars are the main source of chemical enrichment of the interstellar medium. Understanding their mass loss offers a unique opportunity to study the cycle of matter. We discuss interferometric studies and their comparison to…

Solar and Stellar Astrophysics · Physics 2020-02-12 M. Wittkowski , A. Chiavassa , S. Höfner , J. B. Climent

We present an updated version of the {\it SimProp} Monte Carlo code to study the propagation of ultra high energy cosmic rays in astrophysical backgrounds computing the cosmogenic neutrino fluxes expected on earth. The study of secondary…

High Energy Astrophysical Phenomena · Physics 2015-08-11 R. Aloisio , D. Boncioli , A. di Matteo , A. F. Grillo , S. Petrera , F. Salamida

Atmospheric seeing arises from stochastic fluctuations in the refractive index of the Earth's atmosphere, producing random variations in the apparent direction of incoming light from astronomical sources. Scintillation refers to the…

Instrumentation and Methods for Astrophysics · Physics 2026-04-14 Bachar Wehbe , André Silva , Manuel Abreu , Alexandre Cabral , Nuno Santos , Pit Sütterlin

RISTRETTO is the evolution of the original idea of coupling the VLT instruments SPHERE and ESPRESSO \cite{lovis_2016a}, aiming at High Dispersion Coronagraphy. RISTRETTO is a visitor instrument that should enable the characterization of the…

Instrumentation and Methods for Astrophysics · Physics 2024-09-13 N. Blind , M. Shinde , I. Dinis , N. Restori , B. Chazelas , T. Fusco , O. Guyon , J. Kuehn , C. Lovis , P. Martinez , M. Motte , J. -F. Sauvage , A. Spang