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  • Exploration of Enceladus and titan: investigating ocean worlds’ evolution and habitability in the Saturn system
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-22
    Giuseppe Mitri, Jason Barnes, Athena Coustenis, Enrico Flamini, Alexander Hayes, Ralph D. Lorenz, Marco Mastrogiuseppe, Roberto Orosei, Frank Postberg, Kim Reh, Jason M. Soderblom, Christophe Sotin, Gabriel Tobie, Paolo Tortora, Veronique Vuitton, Peter Wurz

    We present a White Paper with a science theme concept of ocean world evolution and habitability proposed in response to ESA’s Voyage 2050 Call with a focus on Titan and Enceladus in the Saturn system. Ocean worlds in the outer Solar System that possess subsurface liquid water oceans are considered to be prime targets for extra-terrestrial life and offer windows into Solar System evolution and habitability

  • AMBITION – comet nucleus cryogenic sample return
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-21
    D. Bockelée-Morvan, Gianrico Filacchione, Kathrin Altwegg, Eleonora Bianchi, Martin Bizzarro, Jürgen Blum, Lydie Bonal, Fabrizio Capaccioni, Mathieu Choukroun, Claudio Codella, Hervé Cottin, Björn Davidsson, Maria Cristina De Sanctis, Maria N. Drozdovskaya, Cécile Engrand, Marina Galand, Carsten Güttler, Pierre Henri, Alain Herique, Stavro Ivanovski, Rosita Kokotanekova, Anny-Chantal Levasseur-Regourd

    We describe the AMBITION project, a mission to return the first-ever cryogenically-stored sample of a cometary nucleus, that has been proposed for the ESA Science Programme Voyage 2050. Comets are the leftover building blocks of giant planet cores and other planetary bodies, and fingerprints of Solar System’s formation processes. We summarise some of the most important questions still open in cometary

  • Space Project for Astrophysical and Cosmological Exploration (SPACE), an ESA stand-alone mission and a possible contribution to the Origins Space Telescope
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-18
    Denis Burgarella, Andrew Bunker, Rychard Bouwens, Laurent Pagani, Jose Afonso, Hakim Atek, Marc Audard, Sylvie Cabrit, Karina Caputi, Laure Ciesla, Christopher Conselice, Asantha Cooray, Giovanni Cresci, Mirko Curti, José Miguel Rodríguez Espinosa, Marc Ferrari, Chiaki Kobayashi, Nadège Lagarde, Jesus Gallego Maestro, Roberto Maiolino, Katarzyna Malek, Filippo Mannucci, Julien Montillaud, Pascal Oesch

    We propose a new mission called Space Project for Astrophysical and Cosmological Exploration (SPACE) as part of the ESA long term planning Voyage 2050 programme. SPACE will study galaxy evolution at the earliest times, with the key goals of charting the formation of the heavy elements, measuring the evolution of the galaxy luminosity function, tracing the build-up of stellar mass in galaxies over cosmic

  • Chronos: A NIR spectroscopic galaxy survey to probe the most fundamental stages of galaxy evolution
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-18
    I. Ferreras, M. Cropper, R. Sharples, J. Bland-Hawthorn, G. Bruzual, S. Charlot, C. J. Conselice, S. Driver, J. Dunlop, A. M. Hopkins, S. Kaviraj, T. Kitching, F. La Barbera, O. Lahav, A. Pasquali, S. Serjeant, J. Silk, R. Windhorst

    We propose a dedicated, ultra-deep spectroscopic survey in the near infrared (NIR), that will target a mass-limited sample of galaxies during two of the most fundamental epochs of cosmic evolution: the formation of the first galaxies (at z \(\gtrsim \) 6; comsmic dawn), and at the peak of galaxy formation activity (at redshift z\(\sim \)1–3; cosmic noon). By way of NIR observations (λ= 0.8–2μ m), it

  • Gamma-ray astrophysics in the MeV range
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-17
    Alessandro De Angelis, Vincent Tatischeff, Andrea Argan, Søren Brandt, Andrea Bulgarelli, Andrei Bykov, Elisa Costantini, Rui Curado da Silva, Isabelle A. Grenier, Lorraine Hanlon, Dieter Hartmann, Margarida Hernanz, Gottfried Kanbach, Irfan Kuvvetli, Philippe Laurent, Mario N. Mazziotta, Julie McEnery, Aldo Morselli, Kazuhiro Nakazawa, Uwe Oberlack, Mark Pearce, Javier Rico, Marco Tavani, Peter von

    The energy range between about 100 keV and 1 GeV is of interest for a vast class of astrophysical topics. In particular, (1) it is the missing ingredient for understanding extreme processes in the multi-messenger era; (2) it allows localizing cosmic-ray interactions with background material and radiation in the Universe, and spotting the reprocessing of these particles; (3) last but not least, gamma-ray

  • The homogeneous characterisation of Ariel host stars
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-13
    Camilla Danielski, Anna Brucalassi, Serena Benatti, Tiago Campante, Elisa Delgado-Mena, Monica Rainer, Germano Sacco, Vardan Adibekyan, Katia Biazzo, Diego Bossini, Giovanni Bruno, Giada Casali, Petr Kabath, Laura Magrini, Giusi Micela, Giuseppe Morello, Pietro Palladino, Nicoletta Sanna, Subhajit Sarkar, Sérgio Sousa, Maria Tsantaki, Diego Turrini, Mathieu Van der Swaelmen

    The Ariel mission will characterise the chemical and thermal properties of the atmospheres of about a thousand exoplanets transiting their host star(s). The observation of such a large sample of planets will allow to deepen our understanding of planetary and atmospheric formation at the early stages, providing a truly representative picture of the chemical nature of exoplanets, and relating this directly

  • Measuring the impact of Indonesian antennas on global geodetic VLBI network
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-13
    Ibnu Nurul Huda, Taufiq Hidayat, Budi Dermawan, Sébastien Lambert, Niu Liu, Stéphane Leon, Kenta Fujisawa, Yoshinori Yonekura, Koichiro Sugiyama, Tomoya Hirota, Premana W. Premadi, Rene Breton, Young-Chol Minh, Phrudth Jaroenjittichai, Dudy Wijaya, Dhota Pradipta, Nabila S. E. Putri, Sahlan Ramadhan, Lucky Puspitarini, Hesti R. T. Wulandari, Mohammad Hafieduddin

    In the near future, two radio telescopes will be installed in the Indonesian region. These telescopes are proposed to be integrated into the existing Very Long Baseline Interferometry (VLBI) network both for astronomical and geodetical purposes. Here we simulate the impact of the inclusion of the future Indonesian antennas to the estimates of Earth Orientation Parameters and the station position. The

  • Design and test of a portable Gamma-Ray Burst simulator for GECAM
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-09
    Can Chen, Shuo Xiao, Shaolin Xiong, Nian Yu, Xiangyang Wen, Ke Gong, Xinqiao Li, Chaoyang Li, Dongjie Hou, Xiongtao Yang, Zijian Zhao, Yuxuan Zhu, Dali Zhang, Zhenghua An, Xiaoyun Zhao, Yupeng Xu, Yusa Wang

    The main scientific goal of the Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) is to monitor various types of Gamma-Ray Bursts (GRB) originated from merger of binary compact stars, which could also produce gravitational wave, and collapse of massive stars. In order to study the response of GECAM Gamma-Ray Detectors (GRDs) to high-energy bursts and test the in-flight

  • Synergies of THESEUS with the large facilities of the 2030s and guest observer opportunities
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-07
    P. Rosati, S. Basa, A. W. Blain, E. Bozzo, M. Branchesi, L. Christensen, A. Ferrara, A. Gomboc, P. T. O’Brien, J. P. Osborne, A. Rossi, F. Schüssler, M. Spurio, N. Stergioulas, G. Stratta, L. Amati, S. Casewell, R. Ciolfi, G. Ghirlanda, S. Grimm, D. Guetta, J. Harms, E. Le Floc’h, F. Longo, M. Maggiore, S. Mereghetti, G. Oganesyan, R. Salvaterra, N. R. Tanvir, S. Turriziani, S. D. Vergani, S. Balman

    The proposed THESEUS mission will vastly expand the capabilities to monitor the high-energy sky. It will specifically exploit large samples of gamma-ray bursts to probe the early universe back to the first generation of stars, and to advance multi-messenger astrophysics by detecting and localizing the counterparts of gravitational waves and cosmic neutrino sources. The combination and coordination

  • Mapping large-scale-structure evolution over cosmic times
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-07
    Marta B. Silva, Ely D. Kovetz, Garrett K. Keating, Azadeh Moradinezhad Dizgah, Matthieu Bethermin, Patrick C. Breysse, Kirit Karkare, José L. Bernal, Jacques Delabrouille

    This paper outlines the science case for line-intensity mapping with a space-borne instrument targeting the sub-millimeter (microwaves) to the far-infrared (FIR) wavelength range. Our goal is to observe and characterize the large-scale structure in the Universe from present times to the high redshift Epoch of Reionization. This is essential to constrain the cosmology of our Universe and form a better

  • A comprehensive investigation of the Galilean moon, Io, by tracing mass and energy flows
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-05
    N. Thomas

    Io is the most volcanically-active object in the solar system. The moon ejects a tonne per second of sulphur-rich gases that fill the vast magnetosphere of Jupiter and drives million-amp electrical currents that excite strong auroral emissions. We present the case for including a detailed study of Io within Voyage 2050 either as a standalone mission or as a contribution to a NASA New Frontiers mission

  • Microwave spectro-polarimetry of matter and radiation across space and time
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-03
    Jacques Delabrouille, Maximilian H. Abitbol, Nabila Aghanim, Yacine Ali-Haïmoud, David Alonso, Marcelo Alvarez, Anthony J. Banday, James G. Bartlett, Jochem Baselmans, Kaustuv Basu, Nicholas Battaglia, José Ramón Bermejo Climent, José L. Bernal, Matthieu Béthermin, Boris Bolliet, Matteo Bonato, François R. Bouchet, Patrick C. Breysse, Carlo Burigana, Zhen-Yi Cai, Jens Chluba, Eugene Churazov, Helmut

    This paper discusses the science case for a sensitive spectro-polarimetric survey of the microwave sky. Such a survey would provide a tomographic and dynamic census of the three-dimensional distribution of hot gas, velocity flows, early metals, dust, and mass distribution in the entire Hubble volume, exploit CMB temperature and polarisation anisotropies down to fundamental limits, and track energy

  • Ice giant system exploration within ESA’s Voyage 2050
    Exp. Astron. (IF 2.012) Pub Date : 2021-07-01
    Leigh N. Fletcher, Ravit Helled, Elias Roussos, Geraint Jones, Sébastien Charnoz, Nicolas André, David Andrews, Michele Bannister, Emma Bunce, Thibault Cavalié, Francesca Ferri, Jonathan Fortney, Davide Grassi, Léa Griton, Paul Hartogh, Ricardo Hueso, Yohai Kaspi, Laurent Lamy, Adam Masters, Henrik Melin, Julianne Moses, Oliver Mousis, Nadine Nettleman, Christina Plainaki, Jürgen Schmidt, Amy Simon

    Of all the myriad environments in our Solar System, the least explored are the distant Ice Giants Uranus and Neptune, and their diverse satellite and ring systems. These ‘intermediate-sized’ worlds are the last remaining class of Solar System planet to be characterised by a dedicated robotic mission, and may shape the paradigm for the most common outcome of planetary formation throughout our galaxy

  • Gamma ray burst studies with THESEUS
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-30
    G. Ghirlanda, R. Salvaterra, M. Toffano, S. Ronchini, C. Guidorzi, G. Oganesyan, S. Ascenzi, M. G. Bernardini, A. E. Camisasca, S. Mereghetti, L. Nava, M. E. Ravasio, M. Branchesi, A. Castro-Tirado, L. Amati, A. Blain, E. Bozzo, P. O’Brien, D. Götz, E. Le Floch, J. P. Osborne, P. Rosati, G. Stratta, N. Tanvir, A. I. Bogomazov, P. D’Avanzo, M. Hafizi, S. Mandhai, A. Melandri, A. Peer, M. Topinka, S

    Gamma-ray Bursts (GRBs) are the most powerful transients in the Universe, over–shining for a few seconds all other γ-ray sky sources. Their emission is produced within narrowly collimated relativistic jets launched after the core–collapse of massive stars or the merger of compact binaries. THESEUS will open a new window for the use of GRBs as cosmological tools by securing a statistically significant

  • Quantum technologies in space
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-25
    Rainer Kaltenbaek, Antonio Acin, Laszlo Bacsardi, Paolo Bianco, Philippe Bouyer, Eleni Diamanti, Christoph Marquardt, Yasser Omar, Valerio Pruneri, Ernst Rasel, Bernhard Sang, Stephan Seidel, Hendrik Ulbricht, Rupert Ursin, Paolo Villoresi, Mathias van den Bossche, Wolf von Klitzing, Hugo Zbinden, Mauro Paternostro, Angelo Bassi

    Recently, the European Commission supported by many European countries has announced large investments towards the commercialization of quantum technology (QT) to address and mitigate some of the biggest challenges facing today’s digital era – e.g. secure communication and computing power. For more than two decades the QT community has been working on the development of QTs, which promise landmark

  • Balloon flight test of a CeBr3 detector with silicon photomultiplier readout
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-25
    David Murphy, Joseph Mangan, Alexei Ulyanov, Sarah Walsh, Rachel Dunwoody, Lorraine Hanlon, Brian Shortt, Sheila McBreen

    Recent advances in silicon photomultiplier (SiPM) technology and new scintillator materials allow for the creation of compact high-performance gamma-ray detectors which can be deployed on small low-cost satellites. A small number of such satellites can provide full sky coverage and complement, or in some cases replace the existing gamma-ray missions in detection of transient gamma-ray events. The aim

  • Understanding the origin of the positron annihilation line and the physics of supernova explosions
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-22
    F. Frontera, E. Virgilli, C. Guidorzi, P. Rosati, R. Diehl, T. Siegert, C. Fryer, L. Amati, N. Auricchio, R. Campana, E. Caroli, F. Fuschino, C. Labanti, M. Orlandini, E. Pian, J. B. Stephen, S. Del Sordo, C. Budtz-Jorgensen, I. Kuvvetli, S. Brandt, R. M. Curado da Silva, P. Laurent, E. Bozzo, P. Mazzali, M. Della Valle

    Nuclear astrophysics, and particularly nuclear emission line diagnostics from a variety of cosmic sites, has remained one of the least developed fields in experimental astronomy, despite its central role in addressing a number of outstanding questions in modern astrophysics. Radioactive isotopes are co-produced with stable isotopes in the fusion reactions of nucleosynthesis in supernova explosions

  • Ancillary science with Ariel: feasibility and scientific potential of young stellar object observations
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-21
    B. Gyürüs, Cs. Kiss, J.C. Morales, N. Nakhjiri, G. Marton, P. Ábrahám, Á. Kóspál, A. Moór, Gy.M. Szabó, R. Szabó

    To investigate the feasibility of ancillary target observations with ESA’s Ariel mission, we compiled a list of potentially interesting young stars: FUors, systems harbouring extreme debris discs and a larger sample of young stellar objects showing strong near/mid-infrared excess. These objects can be observed as additional targets in the waiting times between the scheduled exoplanet transit and occultation

  • A Case for Electron-Astrophysics
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-11
    Daniel Verscharen, Robert T. Wicks, Olga Alexandrova, Roberto Bruno, David Burgess, Christopher H. K. Chen, Raffaella D’Amicis, Johan De Keyser, Thierry Dudok de Wit, Luca Franci, Jiansen He, Pierre Henri, Satoshi Kasahara, Yuri Khotyaintsev, Kristopher G. Klein, Benoit Lavraud, Bennett A. Maruca, Milan Maksimovic, Ferdinand Plaschke, Stefaan Poedts, Christopher S. Reynolds, Owen Roberts, Fouad Sahraoui

    The smallest characteristic scales, at which electron dynamics determines the plasma behaviour, are the next frontier in space and astrophysical plasma research. The analysis of astrophysical processes at these scales lies at the heart of the research theme of electron-astrophysics. Electron scales are the ultimate bottleneck for dissipation of plasma turbulence, which is a fundamental process not

  • Mars and the ESA Science Programme - the case for Mars polar science
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-09
    Nicolas Thomas, P. Becerra, I. B. Smith

    Current plans within the European Space Agency (ESA) for the future investigation of Mars (after the ExoMars programme) are centred around participation in the Mars Sample Return (MSR) programme led by NASA. This programme is housed within the Human and Robotic Exploration (HRE) Directorate of ESA. This White Paper, in response to the Voyage 2050 call, focuses on the important scientific objectives

  • Venus: key to understanding the evolution of terrestrial planets
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-08
    Colin F. Wilson, Thomas Widemann, Richard Ghail

    In this paper, originally submitted in answer to ESA’s “Voyage 2050” call to shape the agency’s space science missions in the 2035–2050 timeframe, we emphasize the importance of a Venus exploration programme for the wider goal of understanding the diversity and evolution of habitable planets. Comparing the interior, surface, and atmosphere evolution of Earth, Mars, and Venus is essential to understanding

  • Dynamic simulation and parameter fitting method of cometary dust based on machine learning
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-04
    Yuxian Yue, Zirui Cao, Haoran Gu, Xiaohui Wang

    Cometary dust is refractory particles lifted and ejected by sublimation of volatiles from the surface of comets with typical diameters from sub-micrometers to centimeters. These particles distribute around and recede from cometary nuclei and are illuminated by the Sun, forming the observable dust comae and tails. The fundamental characteristics of cometary dust, such as their size and size distribution

  • MeerCRAB: MeerLICHT classification of real and bogus transients using deep learning
    Exp. Astron. (IF 2.012) Pub Date : 2021-06-02
    Zafiirah Hosenie, Steven Bloemen, Paul Groot, Robert Lyon, Bart Scheers, Benjamin Stappers, Fiorenzo Stoppa, Paul Vreeswijk, Simon De Wet, Marc Klein Wolt, Elmar Körding, Vanessa McBride, Rudolf Le Poole, Kerry Paterson, Daniëlle L. A. Pieterse, Patrick Woudt

    Astronomers require efficient automated detection and classification pipelines when conducting large-scale surveys of the (optical) sky for variable and transient sources. Such pipelines are fundamentally important, as they permit rapid follow-up and analysis of those detections most likely to be of scientific value. We therefore present a deep learning pipeline based on the convolutional neural network

  • THEZA: TeraHertz Exploration and Zooming-in for Astrophysics
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-27
    Leonid I. Gurvits, Zsolt Paragi, Viviana Casasola, John Conway, Jordy Davelaar, Heino Falcke, Rob Fender, Sándor Frey, Christian M. Fromm, Cristina García Miró, Michael A. Garrett, Marcello Giroletti, Ciriaco Goddi, José-Luis Gómez, Jeffrey van der Gucht, José Carlos Guirado, Zoltán Haiman, Frank Helmich, Elizabeth Humphreys, Violette Impellizzeri, Michael Kramer, Michael Lindqvist, Hendrik Linz, Elisabetta

    This paper presents the ESA Voyage 2050 White Paper for a concept of TeraHertz Exploration and Zooming-in for Astrophysics (THEZA). It addresses the science case and some implementation issues of a space-borne radio interferometric system for ultra-sharp imaging of celestial radio sources at the level of angular resolution down to (sub-) microarcseconds. THEZA focuses at millimetre and sub-millimetre

  • Exoplanet mass estimation for a sample of targets for the Ariel mission
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-26
    J. R. Barnes, C. A. Haswell

    Ariel’s ambitious goal to survey a quarter of known exoplanets will transform our knowledge of planetary atmospheres. Masses measured directly with the radial velocity technique are essential for well determined planetary bulk properties. Radial velocity masses will provide important checks of masses derived from atmospheric fits or alternatively can be treated as a fixed input parameter to reduce

  • The far-infrared spectroscopic surveyor (FIRSS)
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-26
    D. Rigopoulou, C. Pearson, B. Ellison, M. Wiedner, V. Ossenkopf Okada, B. K. Tan, I. Garcia-Bernete, M. Gerin, G. Yassin, E. Caux, S. Molinari, J. R. Goicoechea, G. Savini, L. K. Hunt, D. C. Lis, P. F. Goldsmith, S. Aalto, G. Magdis, C. Kramer

    We are standing at the crossroads of powerful new facilities emerging in the next decade on the ground and in space like ELT, SKA, JWST, and Athena. Turning the narrative of the star formation potential of galaxies into a quantitative theory will provide answers to many outstanding questions in astrophysics, from the formation of planets to the evolution of galaxies and the origin of heavy elements

  • Bringing high spatial resolution to the far-infrared
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-26
    Hendrik Linz, Henrik Beuther, Maryvonne Gerin, Javier R. Goicoechea, Frank Helmich, Oliver Krause, Yao Liu, Sergio Molinari, Volker Ossenkopf-Okada, Jorge Pineda, Marc Sauvage, Eva Schinnerer, Floris van der Tak, Martina Wiedner, Jerome Amiaux, Divya Bhatia, Luisa Buinhas, Gilles Durand, Roger Förstner, Urs Graf, Matthias Lezius

    The far-infrared (FIR) regime is one of the wavelength ranges where no astronomical data with sub-arcsecond spatial resolution exist. None of the medium-term satellite projects like SPICA, Millimetron, or the Origins Space Telescope will resolve this malady. For many research areas, however, information at high spatial and spectral resolution in the FIR, taken from atomic fine-structure lines, from

  • Gravitation and the Universe from large scale-structures
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-21
    Alain Blanchard, Éric Aubourg, Philippe Brax, Francisco J. Castander, Sandrine Codis, Stéphanie Escoffier, Fabien Dournac, Agnès Ferté, Fabio Finelli, Pablo Fosalba, Emmanuel Gangler, Satya Gontcho A Gontcho, Adam Hawken, Stéphane Ilić, Jean-Paul Kneib, Martin Kunz, Guilhem Lavaux, Olivier Le Fèvre, Julien Lesgourgues, Yannick Mellier, Jérémy Neveu, Yann Rasera, Cécile Renault, Marina Ricci, Ziad Sakr

    Today, thanks in particular to the results of the ESA Planck mission, the concordance cosmological model appears to be the most robust to describe the evolution and content of the Universe from its early to late times. It summarizes the evolution of matter, made mainly of dark matter, from the primordial fluctuations generated by inflation around 10− 30 second after the Big Bang to galaxies and clusters

  • Ariel planetary interiors White Paper
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-21
    Ravit Helled, Stephanie Werner, Caroline Dorn, Tristan Guillot, Masahiro Ikoma, Yuichi Ito, Mihkel Kama, Tim Lichtenberg, Yamila Miguel, Oliver Shorttle, Paul J. Tackley, Diana Valencia, Allona Vazan

    The recently adopted Ariel ESA mission will measure the atmospheric composition of a large number of exoplanets. This information will then be used to better constrain planetary bulk compositions. While the connection between the composition of a planetary atmosphere and the bulk interior is still being investigated, the combination of the atmospheric composition with the measured mass and radius of

  • High precision particle astrophysics as a new window on the universe with an Antimatter Large Acceptance Detector In Orbit (ALADInO)
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-19
    R. Battiston, B. Bertucci, O. Adriani, G. Ambrosi, B. Baoudoy, P. Blasi, M. Boezio, D. Campana, L. Derome, I. De Mitri, V. Di Felice, F. Donato, M. Duranti, V. Formato, D. Grasso, I. Gebauer, R. Iuppa, N. Masi, D. Maurin, M. N. Mazziotta, R. Musenich, F. Nozzoli, P. Papini, P. Picozza, M. Pearce, S. Pospíšil, L. Rossi, N. Tomassetti, V. Vagelli, X. Wu

    Multimessenger astrophysics is based on the detection, with the highest possible accuracy, of the cosmic radiation. During the last 20 years, the advent space-borne magnetic spectrometers in space (AMS-01, Pamela, AMS-02), able to measure the charged cosmic radiation separating matter from antimatter, and to provide accurate measurement of the rarest components of Cosmic Rays (CRs) to the highest possible

  • Lunar or space-based hypertelescope for direct high-resolution imaging
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-19
    Antoine Labeyrie, Denis Mourard, Jean Schneider

    Following the testing of a pathfinder hypertelescope in the southern Alps, versions usable on the Moon or in space are proposed. The large resolution gain expected for direct imaging in a narrow “Direct Imaging Field”, with a high limiting magnitude, is of interest for many astrophysical targets and for searching for exolife on nearby exoplanets. The much larger field-of-view obtainable with multi-field

  • Future perspectives in solar hot plasma observations in the soft X-rays
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-18
    Alain Jody Corso, Giulio Del Zanna, Vanessa Polito

    The soft X-rays (SXRs: 90–150 Å) are among the most interesting spectral ranges to be investigated in the next generation of solar missions due to their unique capability of diagnosing phenomena involving hot plasma with temperatures up to 15 MK. Multilayer (ML) coatings are crucial for developing SXR instrumentation, as so far they represent the only viable option for the development of high-efficiency

  • The local dark sector
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-17
    Joel Bergé, Laura Baudis, Philippe Brax, Sheng-Wey Chiow, Bruno Christophe, Olivier Doré, Pierre Fayet, Aurélien Hees, Philippe Jetzer, Claus Lämmerzahl, Meike List, Gilles Métris, Martin Pernot-Borràs, Justin Read, Serge Reynaud, Jason Rhodes, Benny Rievers, Manuel Rodrigues, Timothy Sumner, Jean-Philippe Uzan, Nan Yu

    We speculate on the development and availability of new innovative propulsion techniques in the 2040s, that will allow us to fly a spacecraft outside the Solar System (at 150 AU and more) in a reasonable amount of time, in order to directly probe our (gravitational) Solar System neighborhood and answer pressing questions regarding the dark sector (dark energy and dark matter). We identify two closely

  • The high energy Universe at ultra-high resolution: the power and promise of X-ray interferometry
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-17
    Phil Uttley, Roland den Hartog, Cosimo Bambi, Didier Barret, Stefano Bianchi, Michal Bursa, Massimo Cappi, Piergiorgio Casella, Webster Cash, Elisa Costantini, Thomas Dauser, Maria Diaz Trigo, Keith Gendreau, Victoria Grinberg, Jan-Willem den Herder, Adam Ingram, Erin Kara, Sera Markoff, Beatriz Mingo, Francesca Panessa, Katja Poppenhäger, Agata Różańska, Jiri Svoboda, Ralph Wijers, Richard Willingale

    We propose the development of X-ray interferometry (XRI), to reveal the Universe at high energies with ultra-high spatial resolution. With baselines which can be accommodated on a single spacecraft, XRI can reach 100 μ as resolution at 10 Å (1.2 keV) and 20 μ as at 2 Å (6 keV), enabling imaging and imaging-spectroscopy of (for example) X-ray coronae of nearby accreting supermassive black holes (SMBH)

  • MVN experiment – All sky monitor for measuring cosmic X-ray background of the universe onboard the ISS
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-13
    D. V. Serbinov, M. N. Pavlinsky, A. N. Semena, N. P. Semena, A. A. Lutovinov, S. V. Molkov, M. V. Buntov, V. A. Arefiev, I. Y. Lapshov

    The article describes the MVN experiment (MVN – Monitor Vsego Neba in Russian transliteration) – All Sky Monitor onboard the ISS, which will start in 2021. The main scientific task of the experiment is to measure the cosmic X-ray background in energy range of 6 – 70 keV with unprecedented high absolute and spectral accuracy (about 1%). To reach this goal, Space Research Institute of the Russian Academy

  • A polarized view of the hot and violent universe
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-10
    Paolo Soffitta, Niccolo’ Bucciantini, Eugene Churazov, Enrico Costa, Michal Dovciak, Hua Feng, Jeremy Heyl, Adam Ingram, Keith Jahoda, Philip Kaaret, Timothy Kallman, Vladimir Karas, Ildar Khabibullin, Henric Krawczynski, Julien Malzac, Frédéric Marin, Herman Marshall, Giorgio Matt, Fabio Muleri, Carole Mundell, Mark Pearce, Pierre-Olivier Petrucci, Juri Poutanen, Roger Romani, Andrea Santangelo, Gianpiero

    X-ray polarimetry has long been considered the ‘holy grail’ of X-ray astronomy. Fortunately, after a silence of more than 40 years, the field is now rejuvenating. In fact, an X-ray polarimeter onboard a Cube-sat nano-satellite has been recently successfully operated. IXPE, the Imaging X-ray Polarimetry Explorer, will be launched in 2021 while eXTP, containing a larger version of IXPE, is expected to

  • Chemical variation with altitude and longitude on exo-Neptunes: Predictions for Ariel phase-curve observations
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-10
    Julianne I. Moses, Pascal Tremblin, Olivia Venot, Yamila Miguel

    Using two-dimensional (2D) thermal structure models and pseudo-2D chemical kinetics models, we explore how atmospheric temperatures and composition change as a function of altitude and longitude within the equatorial regions of close-in transiting Neptune-class exoplanets at different distances from their host stars. Our models predict that the day-night stratospheric temperature contrasts increase

  • Design and development of Mt.Abu faint object spectrograph and camera – Pathfinder (MFOSC-P) for PRL 1.2m Mt. Abu Telescope
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-08
    Mudit K. Srivastava, Vipin Kumar, Vaibhav Dixit, Ankita Patel, Mohanlal Jangra, A. S. Rajpurohit, S. N. Mathur

    Mt. Abu Faint Object Spectrograph and Camera – Pathfinder (MFOSC-P) is an imager-spectrograph developed for the Physical Research Laboratory (PRL) 1.2m telescope at Gurushikhar, Mt. Abu, India. MFOSC-P is based on a focal reducer concept and provides seeing limited imaging (with a sampling of 3.3 pixels per arc-second) in Bessell’s B, V, R, I and narrow-band H-α filters. The instrument uses three plane

  • New horizons in cosmology with spectral distortions of the cosmic microwave background
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-06
    J. Chluba, M. H. Abitbol, N. Aghanim, Y. Ali-Haïmoud, M. Alvarez, K. Basu, B. Bolliet, C. Burigana, P. de Bernardis, J. Delabrouille, E. Dimastrogiovanni, F. Finelli, D. Fixsen, L. Hart, C. Hernández-Monteagudo, J. C. Hill, A. Kogut, K. Kohri, J. Lesgourgues, B. Maffei, J. Mather, S. Mukherjee, S. P. Patil, A. Ravenni, M. Remazeilles, A. Rotti, J. A. Rubiño-Martin, J. Silk, R. A. Sunyaev, E. R. Switzer

    This Voyage 2050 paper highlights the unique science opportunities using spectral distortions of the cosmic microwave background (CMB). CMB spectral distortions probe many processes throughout the history of the Universe, delivering novel information that complements past, present and future efforts with CMB anisotropy and large-scale structure studies. Precision spectroscopy, possible with existing

  • Grazing, non-transiting disintegrating exoplanets observed with the planned Ariel space observatory
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-06
    Zoltán Garai

    Disintegrating/evaporating rocky exoplanets can be observed not only as transiting planets, but also in a grazing, non-transiting regime, where the solid body of the planet does not transit, but part of the comet-like tail can transit. In this case the forward scattering on the escaping particles is the dominant process, which amplifies the photometric signal of the parent star detected by the observer

  • High angular resolution gravitational wave astronomy
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-04
    John Baker, Tessa Baker, Carmelita Carbone, Giuseppe Congedo, Carlo Contaldi, Irina Dvorkin, Jonathan Gair, Zoltan Haiman, David F. Mota, Arianna Renzini, Ernst-Jan Buis, Giulia Cusin, Jose Maria Ezquiaga, Guido Mueller, Mauro Pieroni, John Quenby, Angelo Ricciardone, Ippocratis D. Saltas, Lijing Shao, Nicola Tamanini, Gianmassimo Tasinato, Miguel Zumalacárregui

    Since the very beginning of astronomy the location of objects on the sky has been a fundamental observational quantity that has been taken for granted. While precise two dimensional positional information is easy to obtain for observations in the electromagnetic spectrum, the positional accuracy of current and near future gravitational wave detectors is limited to between tens and hundreds of square

  • Voyage through the hidden physics of the cosmic web
    Exp. Astron. (IF 2.012) Pub Date : 2021-05-03
    Aurora Simionescu, Stefano Ettori, Norbert Werner, Daisuke Nagai, Franco Vazza, Hiroki Akamatsu, Ciro Pinto, Jelle de Plaa, Nastasha Wijers, Dylan Nelson, Etienne Pointecouteau, Gabriel W. Pratt, Daniele Spiga, Giuseppe Vacanti, Erwin Lau, Mariachiara Rossetti, Fabio Gastaldello, Veronica Biffi, Esra Bulbul, Maximilien J. Collon, Jan-Willem den Herder, Dominique Eckert, Filippo Fraternali, Beatriz

    The majority of the ordinary matter in the local Universe has been heated by strong structure formation shocks and resides in a largely unexplored hot, diffuse, X-ray emitting plasma that permeates the halos of galaxies, galaxy groups and clusters, and the cosmic web. We propose a next-generation “Cosmic Web Explorer” that will permit a complete and exhaustive understanding of these unseen baryons

  • The missing link in gravitational-wave astronomy
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-29
    Manuel Arca Sedda, Christopher P. L. Berry, Karan Jani, Pau Amaro-Seoane, Pierre Auclair, Jonathon Baird, Tessa Baker, Emanuele Berti, Katelyn Breivik, Chiara Caprini, Xian Chen, Daniela Doneva, Jose M. Ezquiaga, K. E. Saavik Ford, Michael L. Katz, Shimon Kolkowitz, Barry McKernan, Guido Mueller, Germano Nardini, Igor Pikovski, Surjeet Rajendran, Alberto Sesana, Lijing Shao, Nicola Tamanini, Niels

    Since 2015 the gravitational-wave observations of LIGO and Virgo have transformed our understanding of compact-object binaries. In the years to come, ground-based gravitational-wave observatories such as LIGO, Virgo, and their successors will increase in sensitivity, discovering thousands of stellar-mass binaries. In the 2030s, the space-based LISA will provide gravitational-wave observations of massive

  • PHEMTO: the polarimetric high energy modular telescope observatory
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-27
    P. Laurent, F. Acero, V. Beckmann, S. Brandt, F. Cangemi, M. Civitani, M. Clavel, A. Coleiro, R. Curado, P. Ferrando, C. Ferrigno, F. Frontera, F. Gastaldello, D. Götz, C. Gouiffès, V. Grinberg, L. Hanlon, D. Hartmann, P. Maggi, F. Marin, A. Meuris, T. Okajima, G. Pareschi, G. W. Pratt, N. Rea, J. Rodriguez, M. Rossetti, D. Spiga, E. Virgilli, S. Zane

    Based upon dual focusing techniques, the Polarimetric High-Energy Modular Telescope Observatory (PHEMTO) is designed to have performance several orders of magnitude better than the present hard X-ray instruments, in the 1–600 keV energy range. This, together with its angular resolution of around one arcsecond, and its sensitive polarimetry measurement capability, will give PHEMTO the improvements in

  • A space mission to map the entire observable universe using the CMB as a backlight
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-26
    Kaustuv Basu, Mathieu Remazeilles, Jean-Baptiste Melin, David Alonso, James G. Bartlett, Nicholas Battaglia, Jens Chluba, Eugene Churazov, Jacques Delabrouille, Jens Erler, Simone Ferraro, Carlos Hernández-Monteagudo, J. Colin Hill, Selim C. Hotinli, Ildar Khabibullin, Mathew Madhavacheril, Tony Mroczkowski, Daisuke Nagai, Srinivasan Raghunathan, Jose Alberto Rubino Martin, Jack Sayers, Douglas Scott

    This Science White Paper, prepared in response to the ESA Voyage 2050 call for long-term mission planning, aims to describe the various science possibilities that can be realized with an L-class space observatory that is dedicated to the study of the interactions of cosmic microwave background (CMB) photons with the cosmic web. Our aim is specifically to use the CMB as a backlight – and survey the

  • Algorithm for calculating anastigmatic three-mirror telescopes. II. Spherical primary mirror case
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-25
    V. Yu. Terebizh

    A version of the general algorithm (Terebizh 2019; 2020) for calculating anastigmatic three-mirror telescopes is presented, assuming a spherical shape of the primary mirror. This case is of particular interest in connection with the creation of large telescopes. The input parameters are the natural characteristics of the telescope: equivalent focal length and relative diameters of mirrors; the result

  • The Ariel ground segment and instrument operations science data centre
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-23
    Chris Pearson, Giuseppe Malaguti, Subhajit Sarkar, Andreas Papageorgiou, Matthijs Krijger, Enzo Pascale, Jean-Philippe Beaulieu, Josep Colomé, Emiliano Diolaiti, Vanessa Doublier, Paul Eccleston, Giusi Micela, Andrea Moneti, Juan Carlos Morales, Nariman Nakhjiri, Gianluca Polenta, Ignasi Ribas, Giovanna Tinetti, Ralf Kohley, Göran Pilbratt, Stephan Birkmann, Catarina Alves de Oliveira, Theresa Rank-Lüftinger

    The ground segment for the ESA M4 Ariel exoplanet space mission is introduced. The ground segment encompasses the framework necessary to support the development of the Ariel mission to launch, in-flight operations and calibration, data processing pipeline and data handling, including user support. The structure of the ground segment and assumed responsibilities between ESA and the Ariel mission consortium

  • A deep study of the high–energy transient sky
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-23
    C. Guidorzi, F. Frontera, G. Ghirlanda, G. Stratta, C. G. Mundell, E. Virgilli, P. Rosati, E. Caroli, L. Amati, E. Pian, S. Kobayashi, G. Ghisellini, C. Fryer, M. Della Valle, R. Margutti, M. Marongiu, R. Martone, R. Campana, F. Fuschino, C. Labanti, M. Orlandini, J. B. Stephen, S. Brandt, R. Curado da Silva, P. Laurent, R. Mochkovitch, E. Bozzo, R. Ciolfi, L. Burderi, T. Di Salvo

    The coming decades will establish the exploration of the gravitational wave (GW) Universe over a broad frequency range by ground and space interferometers. Meanwhile, wide-field, high-cadence and sensitive surveys will span the electromagnetic spectrum from radio all the way up to TeV, as well as the high-energy neutrino window. Among the numerous classes of transients, γ–ray bursts (GRBs) have direct

  • Attitude determination for nano-satellites – I. Spherical projections for large field of view infrasensors
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-23
    Kornél Kapás, Tamás Bozóki, Gergely Dálya, János Takátsy, László Mészáros, András Pál

    Due to the advancement of nano-satellite technology, CubeSats and fleets of CubeSats can form an alternative to high-cost large-size satellite missions with the advantage of extended spatial coverage. One of these initiatives is the Cubesats Applied for MEasuring and LOcalising Transients (CAMELOT) mission concept, aimed at detecting and localizing gamma-ray bursts with an efficiency and accuracy comparable

  • Exploiting the transit timing capabilities of Ariel
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-21
    Luca Borsato, Valerio Nascimbeni, Giampaolo Piotto, Gyula Szabó

    The Transit Timing Variation (TTV) technique is a powerful dynamical tool to measure exoplanetary masses by analysing transit light curves. We assessed the transit timing performances of the Ariel Fine Guidance Sensors (FGS1/2) based on the simulated light curve of a bright, 55 Cnc, and faint, K2-24, planet-hosting star. We estimated through a Markov-Chain Monte-Carlo analysis the transit time uncertainty

  • Unveiling the faint ultraviolet Universe
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-20
    A. Zanella, C. Zanoni, F. Arrigoni-Battaia, A. Rubin, A. F. Pala, C. Peroux, R. Augustin, C. Circosta, E. Emsellem, E. George, D. Milaković, R. van der Burg, T. Kupfer

    With this paper we participate to the call for ideas issued by the European Space Agency to define the Science Program and plan for space missions from 2035 to 2050. In particular we present five science cases where major advancements can be achieved thanks to space-based spectroscopic observations at ultraviolet (UV) wavelengths. We discuss the possibility to (1) unveil the large-scale structures

  • The need for a multi-purpose, optical–NIR space facility after HST and JWST
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-18
    Knud Jahnke, Oliver Krause, Hans-Walter Rix, Frédéric Courbin, Adriano Fontana, Catherine Heymans, Nicolas Martin, Pascal Oesch, Andy Taylor, B. Scott Gaudi, Alina Kiessling, Bertrand Mennesson, Sara Seager, Daniel Stern, Keith Warfield

    In the early 2030s, after the end of operations for the epochal Hubble Space Telescope and the long-anticipated James Webb Space Telescope, astrophysics will lose access to a general purpose high-spatial resolution space observatory to cover the UV–optical–NIR wavelength range with a variety of imaging bandpasses and high-multiplexing mid-resolution spectroscopy. This will greatly impact astrophysical

  • A low-cost chopping system and uncooled microbolometer array for ground-based astronomy
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-16
    M. F. Rashman, I. A. Steele, S. D. Bates, J. H. Knapen

    Mid-Infrared imaging is vital for the study of a wide variety of astronomical phenomena, including evolved stars, exoplanets, and dust enshrouded processes such as star formation in galaxies. However, infrared detectors have traditionally been expensive and it is difficult to achieve the sensitivity needed to see beyond the overwhelming mid-infrared background. Here we describe the upgrade and commissioning

  • The Ariel 0.6 - 7.8 μ m stellar limb-darkening coefficients
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-12
    Giuseppe Morello, Camilla Danielski, Subhajit Sarkar

    We provide here tables of stellar limb-darkening coefficients (LDCs) for the Ariel ESA M4 space mission. These tables include LDCs corresponding to different wavelength bins and white bands for the NIRSpec, AIRS-Ch0 and AIRS-Ch1 spectrographs, and those corresponding to the VISPhot, FGS1 and FGS2 photometers. The LDCs are calculated with the open-source software ExoTETHyS for three complete grids of

  • Quantum correlations at earth-moon distance
    Exp. Astron. (IF 2.012) Pub Date : 2021-04-10
    Jean Schneider

    Standard Quantum Physics states that the outcome of measurements for some distant entangled subsystems is instantaneously statistically correlated, whatever their mutual distance. This correlation presents itself as if there were a correlation at a distance with infinite speed. It is expressed by the Bell Theorem and has been experimentally verified over distances up to 1200 km (Yin et al. [14]) with

  • UVscope and its application aboard the ASTRI-Horn telescope
    Exp. Astron. (IF 2.012) Pub Date : 2021-03-31
    Maria Concetta Maccarone, Giovanni La Rosa, Osvaldo Catalano, Salvo Giarrusso, Alberto Segreto, Benedetto Biondo, Pietro Bruno, Carmelo Gargano, Alessandro Grillo, Domenico Impiombato, Francesco Russo, Giuseppe Sottile

    UVscope is an instrument, based on a multi-pixel photon detector, developed to support experimental activities for high-energy astrophysics and cosmic ray research. The instrument, working in single photon counting mode, is designed to directly measure light flux in the wavelengths range 300-650 nm. The instrument can be used in a wide field of applications where the knowledge of the nocturnal environmental

  • HAYDN
    Exp. Astron. (IF 2.012) Pub Date : 2021-03-26
    Andrea Miglio, Léo Girardi, Frank Grundahl, Benoit Mosser, Nate Bastian, Angela Bragaglia, Karsten Brogaard, Gaël Buldgen, William Chantereau, William Chaplin, Cristina Chiappini, Marc-Antoine Dupret, Patrick Eggenberger, Mark Gieles, Robert Izzard, Daisuke Kawata, Christoffer Karoff, Nadège Lagarde, Ted Mackereth, Demetrio Magrin, Georges Meynet, Eric Michel, Josefina Montalbán, Valerio Nascimbeni

    In the last decade, the Kepler and CoRoT space-photometry missions have demonstrated the potential of asteroseismology as a novel, versatile and powerful tool to perform exquisite tests of stellar physics, and to enable precise and accurate characterisations of stellar properties, with impact on both exoplanetary and Galactic astrophysics. Based on our improved understanding of the strengths and limitations

  • A survey of exoplanet phase curves with Ariel
    Exp. Astron. (IF 2.012) Pub Date : 2021-03-23
    Benjamin Charnay, João M. Mendonça, Laura Kreidberg, Nicolas B. Cowan, Jake Taylor, Taylor J. Bell, Olivier Demangeon, Billy Edwards, Carole A. Haswell, Giuseppe Morello, Lorenzo V. Mugnai, Enzo Pascale, Giovanna Tinetti, Pascal Tremblin, Robert T. Zellem

    The ESA-Ariel mission will include a tier dedicated to exoplanet phase curves corresponding to \(\sim 10\%\) of the science time. We present here the current observing strategy for studying exoplanet phase curves with Ariel. We define science questions, requirements and a list of potential targets. We also estimate the precision of phase curve reconstruction and atmospheric retrieval using simulated

  • The Voyage of Metals in the Universe from Cosmological to Planetary Scales: the need for a Very High-Resolution, High Throughput Soft X-ray Spectrometer
    Exp. Astron. (IF 2.012) Pub Date : 2021-03-16
    F. Nicastro, J. Kaastra, C. Argiroffi, E. Behar, S. Bianchi, F. Bocchino, S. Borgani, G. Branduardi-Raymont, J. Bregman, E. Churazov, M. Diaz-Trigo, C. Done, J. Drake, T. Fang, N. Grosso, A. Luminari, M. Mehdipour, F. Paerels, E. Piconcelli, C. Pinto, D. Porquet, J. Reeves, J. Schaye, S. Sciortino, R. Smith, D. Spiga, R. Tomaru, F. Tombesi, N. Wijers, L. Zappacosta

    Metals form an essential part of the Universe at all scales. Without metals we would not exist, and the Universe would look completely different. Metals are primarily produced via nuclear processes in stars, and spread out through winds or explosions, which pollute the surrounding space. The wanderings of metals in-and-out of astronomical objects are crucial in determining their own evolution and thus

  • AEDGE: Atomic experiment for dark matter and gravity exploration in space
    Exp. Astron. (IF 2.012) Pub Date : 2021-03-12
    Andrea Bertoldi, Kai Bongs, Philippe Bouyer, Oliver Buchmueller, Benjamin Canuel, Laurentiu-Ioan Caramete, Maria Luisa Chiofalo, Jonathon Coleman, Albert De Roeck, John Ellis, Peter W. Graham, Martin G. Haehnelt, Aurélien Hees, Jason Hogan, Wolf von Klitzing, Markus Krutzik, Marek Lewicki, Christopher McCabe, Achim Peters, Ernst Rasel, Albert Roura, Dylan Sabulsky, Stephan Schiller, Christian Schubert

    This article contains a summary of the White Paper submitted in 2019 to the ESA Voyage 2050 process, which was subsequently published in EPJ Quantum Technology (AEDGE Collaboration et al. EPJ Quant. Technol. 7,6 2020). We propose in this White Paper a concept for a space experiment using cold atoms to search for ultra-light dark matter, and to detect gravitational waves in the frequency range between

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