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Related papers: ELT requirements for future observations of the In…

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We present for the first time predictions for UV line emission of intergalactic and circumgalactic gas from Adaptive Mesh Resolution (AMR) Large Scale Structure (LSS) simulations at redshifts 0.3<z<1.2, with specific emphasis on…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 S. Frank , Y. Rasera , D. Vibert , B. Milliard , A. Popping , J. Blaizot , S. Courty , J. M. Deharveng , C. Peroux , R. Teyssier , C. D. Martin

Prospects for future supernova surveys are discussed, focusing on the ESA Euclid mission and the European Extremely Large Telescope(E-ELT), both expected to be in operation around the turn of the decade. Euclid is a 1.2m space survey…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 I. M. Hook

Gas giants are the most readily detectable exoplanets but fundamental questions about their system architectures, formation, migration, and atmospheres have been unanswerable with the current generation of ground- and space-based…

The Transient High Energy Sky and Early Universe Surveyor (THESEUS) is a space mission concept aimed at exploiting Gamma-Ray Bursts for investigating the early Universe and at providing a substantial advancement of multi-messenger and…

High Energy Astrophysical Phenomena · Physics 2018-02-07 E. Maiorano , L. Amati , A. Rossi , G. Stratta , E. Palazzi , L. Nicastro

Recent years have witnessed rapid progress in observations of the Epoch of Reionization (EoR). These have enabled high-dimensional inference of galaxy and intergalactic medium (IGM) properties during the first billion years of our Universe.…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-09 Daniela Breitman , Andrei Mesinger , Steven Murray , David Prelogovic , Yuxiang Qin , Roberto Trotta

We perform a systematic study of how the inhomogeneities in the Inter-Galactic Medium (IGM) affect the observability of Lyman Alpha Emitters (LAEs) around the Epoch of Reionization. We focus on the IGM close to the galaxies as the detailed…

Cosmology and Nongalactic Astrophysics · Physics 2012-07-30 Akila Jeeson-Daniel , Benedetta Ciardi , Umberto Maio , Marco Pierleoni , Mark Dijkstra , Antonella Maselli

VLT-Interferometry will allow imaging of the Galactic Center (GC) and the nuclei of extragalactic sources at an angular resolution of a few milliarcseconds. VLTI will be a prime instrument to study the immediate environment of the massive…

Astrophysics · Physics 2015-06-24 J. -U. Pott , A. Glindemann , A. Eckart , M. Schoeller , C. Leinert , T. Viehmann , M. Robberto

Ionization balance in the intergalactic medium (IGM) is central to the interpretation of quasar absorption spectra, linking observed ionic columns to the underlying gas density, temperature, metallicity, and ionizing radiation field.…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-17 Bhaskar Arya , Kartick C. Sarkar , Shiv K. Sethi

We calculate the impact of the intergalactic medium (IGM) on the observed Lyman alpha lines (hereafter Lya) emitted by galaxies in an ionised IGM at z>4. Our model accounts for gas clumping in the IGM and for the fact that high-redshift…

Astrophysics · Physics 2008-11-26 Mark Dijkstra , Adam Lidz , Stuart Wyithe

The powerful combination of the cutting-edge multi-object spectrograph MOSAIC with the world largest telescope, the ELT, will allow us to probe deeper into the Universe than was possible. MOSAIC is an extremely efficient instrument in…

Since 2005 ESO has been working with its community and industry to develop an extremely large optical/infrared telescope. ESO's Extremely Large Telescope, or ELT for short, is a revolutionary ground-based telescope that will have a 39-metre…

Instrumentation and Methods for Astrophysics · Physics 2023-03-01 Paolo Padovani , Michele Cirasuolo , Remco van der Burg , Faustine Cantalloube , Elizabeth George , Markus Kasper , Kieran Leschinski , Carlos Martins , Julien Milli , Sabine Möhler , Mark Neeser , Benoit Neichel , Angel Otarola , Rubén Sánchez-Janssen , Benoit Serra , Alain Smette , Elena Valenti , Christophe Verinaud , Joël Vernet , Olivier Absil , Guido Agapito , Morten Andersen , Carmelo Arcidiacono , Matej Arko , Pierre Baudoz , Olivier Beltramo-Martin , Enrico Biancalani , Thomas Bierwirth , Leonard Burtscher , Giulia Carlà , Julio A. Castro-Almazán , Anne-Laure Cheffot , Lodovico Coccato , Carlos Correia , Romain Fetick , Giuliana Fiorentino , Thierry Fusco , Begoña García-Lorenzo , Nicola Gentile Fusillo , Oscar Gonzalez , Andrea Grazian , Marco Gullieuszik , Olivier Hainaut , Valentin Ivanov , Melanie Kaasinen , Darshan Kaddad , Tomasz Kamiński , Wolfgang Kausch , Florian Kerber , Stefan Kimeswenger , Rosita Kokotanekova , Arseniy Kuznetsov , Alexis Lau , Miska Le Louarn , Frédéric Lemmel , Jochen Liske , Gaspare Lo Curto , David Lucsanyi , Lars Lundin , Stefan Noll , Sylvain Oberti , James Osborn , Elena Masciadri , Dinko Milaković , Michael T. Murphy , Fernando Pedichini , Miguel Pereira Santaella , Roberto Piazzesi , Javier Piqueras López , Cédric Plantet , Thibaut Prod'homme , Norbert Przybilla , Mathieu Puech , Derryck T. Reid , Ansgar Reiners , Rutger Rijnenberg , Myriam Rodrigues , Fabio Rossi , Laurence Routledge , Hans Smit , Mathias Tecza , Niranjan Thatte , Roy van Boekel , Aprajita Verma , Arthur Vigan

We present a new investigation of the thermal history of the intergalactic medium (IGM) during and after reionization using the Lyman-$\alpha$ forest flux power spectrum at $4.0\lesssim z\lesssim5.2$. Using a sample of 15 high-resolution…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-27 Elisa Boera , George D. Becker , James S. Bolton , Fahad Nasir

In this paper, we describe the capabilities and constraints of Large Language Models (LLMs) within disparate academic disciplines, aiming to delineate their strengths and limitations with precision. We examine how LLMs augment scientific…

One of the highlights of the European ELT Science Case book is the study of resolved stellar populations, potentially out to the Virgo Cluster of galaxies. A European ELT would enable such studies in a wide range of unexplored distant…

This article outlines a method to interpret the extragalactic background light in terms of the large-scale, average properties of galaxies, including the comoving densities of stars and interstellar gas, metals, and dust. These quantities…

Astrophysics · Physics 2007-05-23 S. Michael Fall

The recent availability of wideband receivers and high sensitivity instruments in the mm and submm wavelengths has opened the possibility of studying in detail the chemistry of the interstellar medium in extragalactic objects. Within the…

Cosmology and Nongalactic Astrophysics · Physics 2009-08-24 Sergio Martin

We investigate the 21-cm signature that may arise from the intergalactic medium (IGM) prior to the epoch of full reionization (z>5). In scenarios in which the IGM is reionized by discrete sources of photoionizing radiation, the neutral gas…

Astrophysics · Physics 2009-10-28 Piero Madau , Avery Meiksin , Martin J. Rees

(Abridged) We consider the scientific case for a large aperture (10-12m class) optical spectroscopic survey telescope with a field of view comparable to that of LSST. Such a facility could enable transformational progress in several areas…

Instrumentation and Methods for Astrophysics · Physics 2017-01-10 Richard S. Ellis , Joss Bland-Hawthorn , Malcolm Bremer , Jarle Brinchmann , Luigi Guzzo , Johan Richard , Hans-Walter Rix , Eline Tolstoy , Darach Watson

The Large Synoptic Survey Telescope (LSST) will open a discovery frontier for faint and fast transients with its ability to detect variable flux components down to $\sim$24.5 mag in a $\sim$30 second exposure. Spectroscopic follow-up of…

We investigate the constraints on the Inert Doublet Model (IDM), a minimal extension of the Standard Model of Particle Physics featuring a scalar dark matter candidate, using data from recent and future gamma-ray observatories. The…

High Energy Physics - Phenomenology · Physics 2026-03-19 Lucca Radicce Justino , Clarissa Siqueira , Aion Viana