activity
20212026
most citedFundamental physics with ESPRESSO: Precise limit on variations in the fine-structure constant towards the bright quasar HE 05154414

54 citations · 77 across the 14 of their papers we have counts for

collaborators

15 papers

astro-ph.IM2026

Toward the Italian Astronomical Community's Contribution to HWO: Science, Technology, and Instrument Concepts

A. Fontana, F. Annibali, N. Antonietti +101

This paper summarizes the interest of the Italian astronomical community in the possible participation in the development of the Habitable Worlds Observatory (HWO). It is largely b…

astro-ph.IM2026

WST -- Wide-field Spectroscopic Telescope: The Next Leap in Wide-field Spectroscopy

Roland Bacon, Olga Bellido, Philippe Dierickx +52

The Wide-field Spectroscopic Telescope (WST) is a concept for a dedicated 12-m spectroscopic survey facility designed to address some of the most important questions in astrophysic…

astro-ph.IM2026

"Perfect" spectra for ESO's HARPS spectrograph

Dinko Milaković, Guido Cupani, Bruce A. Bassett +2

HARPERFECT is the first application of "spectral perfectionism" to a high-resolution echelle spectrograph, reconstructing 1D spectra from 2D detector data via a forward model built…

astro-ph.IM2024★ 2 cited

ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments

A. Marconi, M. Abreu, V. Adibekyan +286

The first generation of ELT instruments includes an optical-infrared high-resolution spectrograph, indicated as ELT-HIRES and recently christened ANDES (ArmazoNes high Dispersion E…

astro-ph.IM2024★ 1 cited

Review of detector requirements: some challenges for the present

Luca Pasquini, Dinko Milaković

Astrophysics demands higher precision in measurements across photometry, spectroscopy, and astrometry. Several science cases necessitate not only precision but also a high level of…

astro-ph.CO2024

Probing the small scale structure of the Inter-Galactic Medium with ESPRESSO: spectroscopy of the lensed QSO UM673

Stefano Cristiani, Guido Cupani, Andrea Trost +20

The gravitationally lensed quasar J014516.6-094517 at z=2.719 has been observed with the ESPRESSO instrument at the ESO VLT to obtain high-fidelity spectra of the two images A and…

astro-ph.CO2024

Fundamental physics with ESPRESSO: a new determination of the D/H ratio towards PKS1937-101

Francesco Guarneri, Luca Pasquini, Valentina D'Odorico +19

Primordial abundances of light elements are sensitive to the physics of the early Universe and can directly constrain cosmological quantities, such as the baryon-to-photon ratio $η…

astro-ph.IM2023★ 1 cited

A new method for instrumental profile reconstruction of high resolution spectrographs

Dinko Milaković, Prashin Jethwa

Knowledge of the spectrograph's instrumental profile (IP) provides important information needed for wavelength calibration and for the use in scientific analyses. This work develop…

astro-ph.CO2023

Fine structure constant measurements in quasar absorption systems

Dinko Milaković

Detecting any evolution of dimensionless in the ratios of physical quantities, such as the fine structure constant, would prove that the Weak Equivalence Principle is violated and…

astro-ph.IM2023

The ESO's Extremely Large Telescope Working Groups

Paolo Padovani, Michele Cirasuolo, Remco van der Burg +82

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 re…

astro-ph.CO2023★ 3 cited

Methods for quasar absorption system measurements of the fine structure constant in the 2020s and beyond

Dinko Milaković, Chung-Chi Lee, Paolo Molaro +1

This article reviews the two major recent developments that significantly improved cosmological measurements of fundamental constants derived from high resolution quasar spectrosco…

astro-ph.CO2022★ 11 cited

Fundamental Physics with ESPRESSO, Constraining a simple parametrisation for varying

Vitor da Fonseca, Tiago Barreiro, Nelson J. Nunes +24

The spectrograph ESPRESSO recently obtained a limit on the variation of the fine-structure constant, , through measurements along the line of sight of a bright quasar with a pre…

astro-ph.CO2022

Avoiding bias in measurements of fundamental constants from high resolution quasar spectra

John K. Webb, Chung-Chi Lee, Dinko Milaković

Recent advances in spectroscopic instrumentation and calibration methods dramatically improve the quality of quasar spectra. Supercomputer calculations show that, at high spectral…

astro-ph.CO2021★ 54 cited

Fundamental physics with ESPRESSO: Precise limit on variations in the fine-structure constant towards the bright quasar HE 05154414

Michael T. Murphy, Paolo Molaro, Ana C. O. Leite +40

The strong intervening absorption system at redshift 1.15 towards the very bright quasar HE 05154414 is the most studied absorber for measuring possible cosmological variations…

astro-ph.IM2021★ 5 cited

Spectral shape corrections for SDSS BOSS quasars

Dinko Milaković, John K. Webb, Chung-Chi Lee +1

Modifications were made to the Sloan Digital Sky Survey's Baryonic Oscillations Spectroscopic Survey (SDSS/BOSS) optical fibres assigned to quasar targets in order to improve the s…