Accès ouvert déclaré
2026
preprint
HRMOS: A High-Resolution Multi-Object Spectrograph for the VLT
Laura Magrini, T. Bensby, Sofia Randich, Andrea Bianco, Oscar Gonzalez, Emma Fernández-Alvar, S A Sousa, Letizia Caito, Marco Riva, Vardan Adibekyan, Anish M. Amarsi, María Teresa Belmonte, María Benito, Christian P. Clear, Camilla Danielski, Valentina D'Orazi, Riano Giribaldi, Camilla J. Hansen, Vanessa Hill, Robin D. Jeffries, G. Kordopatis, Andrea Miglio, Dinko Milaković, Germano Sacco, J. Schiappacasse-Ulloa, Á. Skúladóttir, R. Smiljanić, Maria Tsantaki, Almudena Arcones, José María Arroyo-Polonio, M. Baratella, Beatriz Barbuy, John R. Barnes, Giuseppina Battaglia, Holger Baumgardt, K. Biazzo, Manuela Bischetti, A. Bragaglia, Tobias Buck, Sven Buder, Sema Caliskan, Gabriele Cescutti, A J Cameron, Ryan Cooke, Sergio Cristallo, F. Damiani, A. Drazdauskas, Heitor Ernandes, Antonio Frasca, Mark Gieles, V. Grisoni, Moira Jardine, Evan N. Kirby, J. Klevas, Andreas J. Korn, Ioanna Koutsouridou, Cis Lagae, N. Lagarde, Romain Lucchesi, Francesca Lucertini, Luca Malavolta, Fabiola Marino, Tadafumi Matsuno, Thibault Merle, Sapna Mishra, Marta Molero, Mario Montalto, Michele Moresco, Alessio Mucciarelli, Domenico Nardiello, Valerio Nascimbeni, Brunella Nisini, J. C. R. E. Oliveira, E. Pacetti, Marco Palla, Marco Pignatari, Danae Polychroni, F. Rizzuti, D. Romano, Stefania Salvadori, L. Sbordone, E. Spitoni, Matthew R. Standing, G. Tautvaivsiene, Yuan-Sen Ting, A. Travascio, D. Turrini, Sophie Van Eck, Kim Venn, D. Vescovi, C. Clare Worley, Nick Wright, R. Yates, Alice Zocchi, Laura Affer, Carlos Allende, Paul Barklem, M. Bellazzini, S. Benatti, L.A. Berni, Francesco Borsa, Maurizio Busso, Tiago Campante, R. Carini, B D Carter, G. Casali, Mario Damasso, Elisa Delgado Mena, Ignacio del Moral Castro, Silvano Desidera, Maria Pia Di Mauro, Ana Escorza, Sergio Fonte, E. Franciosini, Xiaoting Fu, P. Giacobbe, Terese Thidemann Hansen, H. Hartman, Keith Hawkins, N. Heidari, Krzysztof Helminiak, H. Jens Hoeijmakers, Stavro Lambrov Ivanovski, Pascale Jablonka, Chiaki Kobayashi, A. Kučinskas, Carmela Lardo, Sebastiano Ledda, Alesandra Lehtmets, Karin Lind, João J. G. Lima, Sara Lucatello, F. Z. Majidi, Sarah Martell, Anna McLeod, Sergio Molinari, Stephanie Monty, Benjamin Montet, Michael T. Murphy, Henryka Netzel-Iłkiewicz, Belinda Nicholson, P. Palmeri, Luca Pasquini, Lorenzo Pino, R. Politi, F. Primas, Pascal Quinet, Monica Rainer, Heleri Ramler, Y. R. Khalil, M. Rossi, Eugenio Schisano, Federico Sestito, Paolo Simonetti, A. Vasini, Sílvia Vicente, C. Viscasillas Vázquez, Manuela Zocchi, M. Zusi, Andrea Baruffolo, Martin Black, Anna Brucalassi, Simone D’Auria, Vincenzo De Caprio, Michele Frangiamore, Enrico Giro, Robert J. Harris, A. Khanbekyan, Enrique Joven, Tom Louth, Matteo Munari, Graham J. Murray, Luis Fernando Rodríguez Ramos, Bernardo Salasnich, William Taylor, Andrea Tozzi, Steven Watson
0Citations signalées, ce qui n’est pas une note de qualité
0Institutions déclarées
0Pays d’affiliation déclarés
Le résumé fourni par la source
This White Paper presents the scientific rationale and instrument concept for HRMOS (High-Resolution Multi-Object Spectrograph), a next-generation instrument proposed for the ESO Very Large Telescope within the VLT 2030 roadmap. Current and planned facilities offer either multi-object spectroscopy or ultra-high spectral resolution, but not both. HRMOS fills this gap by combining very high spectral resolution, multi-object capability, and radial-velocity stability, enabling transformative studies in Galactic and extragalactic astrophysics. The baseline design provides a resolving power of R = 80000, radial-velocity precision of 10 m s-1 (goal: 5 m s-1), simultaneous observations of 50-60 targets, and broad optical coverage down to 385 nm. These capabilities enable precise measurements of elemental abundances, isotopic ratios, line profiles, and radial velocities for large stellar samples, including crowded fields, star clusters, the Galactic bulge, and nearby dwarf galaxies. HRMOS will address key questions on the age of the oldest stellar populations through nucleocosmochronology, the formation and survival of planetary systems, the assembly history of the Milky Way and satellites, the origin of the heaviest elements, stellar evolution, and the chemical and dynamical properties of the interstellar and circumgalactic medium. It will bridge large spectroscopic surveys and the next generation of extremely large telescopes, with strong synergies with 4MOST, Gaia, TESS, PLATO, the proposed Haydn mission, and future ELT instruments. Building on VLT/FLAMES heritage, HRMOS represents a strategic investment for European astronomy in the 2030s.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
Aucun DOI disponible pour le contrôle Crossref.
Les sujets associés
Astronomy and Astrophysical ResearchStellar, planetary, and galactic studiesGalaxies: Formation, Evolution, Phenomena