activity
20202026
most citedLarge Metallicity Variations in the Galactic Interstellar Medium

65 citations · 208 across the 14 of their papers we have counts for

collaborators

14 papers

astro-ph.IM2026

The future of high-resolution UV spectroscopy: Science with a UV Échelle spectrograph on the Habitable Worlds Observatory, or a dedicated mission

Annalisa De Cia, David Cont, Kevin Heng +39

High-resolution UV spectroscopy serves a diversity of science cases, from small bodies to planets, stars, and galaxies, but is currently limited to the Hubble Space Telescope and b…

astro-ph.GA2025★ 1 cited

A large, chemically enriched, neutral gas reservoir in a galaxy at z = 6.782

A. Saccardi, S. D. Vergani, L. Izzo +23

The chemical characterization of galaxies in the first billion years after the Big Bang is one of the central goals of current astrophysics. Optical/near-infrared spectroscopy of l…

astro-ph.GA2024★ 2 cited

Investigating chemical variations between interstellar gas clouds in the Solar neighbourhood

T. Ramburuth-Hurt, A. De Cia, J. -K. Krogager +6

The interstellar medium (ISM) is a fundamental component of the Milky Way. Studying its chemical composition and the level of its chemical diversity gives us insight into the evolu…

astro-ph.GA2024

DUNE: Dust depletion UNified method across cosmic time and Environments

Christina Konstantopoulou, Annalisa De Cia, Jens-Kristian Krogager +5

We present a novel method to characterize dust depletion, namely, the depletion of metals into dust grains. We used observed correlations among relative abundances combining a tota…

astro-ph.GA2024★ 1 cited

The α-element enrichment of gas in distant galaxies

Anna Velichko, Annalisa De Cia, Christina Konstantopoulou +3

The chemical evolution of distant galaxies cannot be assessed from observations of individual stars, in contrast to the case of nearby galaxies. On the other hand, the study of the…

astro-ph.GA2024★ 2 cited

α-element enhancements in the Magellanic Interstellar Medium: evidence for recent star formation

Annalisa De Cia, Julia Roman-Duval, Christina Konstantopoulou +8

Important questions on the chemical composition of the neutral ISM in the Large Magellanic Cloud (LMC) and Small Magellanic Cloud (SMC) are still open. It is usually assumed that t…

astro-ph.GA2023★ 27 cited

Dust depletion of of metals from local to distant galaxies II: Cosmic dust-to-metal ratio and dust composition

Christina Konstantopoulou, Annalisa De Cia, Cédric Ledoux +10

The evolution of the cosmic dust content and the cycle between metals and dust in the interstellar medium (ISM) play a fundamental role in galaxy evolution. The chemical enrichment…

astro-ph.GA2023★ 23 cited

The cosmic build-up of dust and metals. Accurate abundances from GRB-selected star-forming galaxies at

K. E. Heintz, A. De Cia, C. C. Thöne +38

The chemical enrichment of dust and metals in the interstellar medium (ISM) of galaxies throughout cosmic time is one of the key driving processes of galaxy evolution. Here we stud…

astro-ph.EP2023

Implications for the Formation of 2005 UD from a New Convex Shape Model

Jay K. Kueny, Colin Orion Chandler, Maxime Devogèle +15

(155140) 2005 UD has a similar orbit to (3200) Phaethon, an active asteroid in a highly eccentric orbit thought to be the source of the Geminid meteor shower. Evidence points to a…

astro-ph.GA2023★ 7 cited

Chemical diversity of gas in distant galaxies: The metal and dust enrichment and variations within absorbing galaxies

T. Ramburuth-Hurt, A. De Cia, J. -K. Krogager +9

The chemical composition of gas in galaxies can be measured in detail from absorption spectroscopy. By studying gas in galaxies in this way, it is possible to investigate the small…

astro-ph.GA2022★ 33 cited

Dissecting the interstellar medium of a z=6.3 galaxy: X-shooter spectroscopy and HST imaging of the afterglow and environment of the Swift GRB 210905A

A. Saccardi, S. D. Vergani, A. De Cia +35

The study of the properties of galaxies in the first billion years after the Big Bang is one of the major topic of current astrophysics. Optical/near-infrared spectroscopy of the a…

astro-ph.GA2022★ 36 cited

Dust depletion of metals from local to distant galaxies I: Peculiar nucleosynthesis effects and grain growth in the ISM

Christina Konstantopoulou, Annalisa De Cia, Jens-Kristian Krogager +8

Large fractions of metals are missing from the observable gas-phase in the interstellar medium (ISM) because they are incorporated into dust grains, a phenomenon called dust deplet…

astro-ph.GA2021★ 65 cited

Large Metallicity Variations in the Galactic Interstellar Medium

Annalisa De Cia, Edward B. Jenkins, Andrew J. Fox +5

The Interstellar Medium (ISM) comprises gases at different temperatures and densities, including ionized, atomic, molecular species, and dust particles. The neutral ISM is dominate…

astro-ph.GA2020★ 11 cited

Spectroscopic classification of a complete sample of astrometrically-selected quasar candidates using Gaia DR2

K. E. Heintz, J. P. U. Fynbo, S. J. Geier +20

Here we explore the efficiency and fidelity of a purely astrometric selection of quasars as point sources with zero proper motions in the {\it Gaia} data release 2 (DR2). We have b…