248 citations · 2.3k across the 78 of their papers we have counts for
54 papers · 1 filter
KROME-X: a GPU-ready library for chemistry and microphysics in astrophysical simulations
Alessandro Lupi, Tommaso Grassi, Stefano Bovino
KROME is a Python pre-processor that writes a complete Fortran solver of chemistry and microphysics for each chemical network, widely used in astrophysical simulations. We introduc…
Carbox: an end-to-end differentiable astrochemical simulation framework
Gijs Vermariën, Tommaso Grassi, Marie Van de Sande +6
Since the first observations of interstellar molecules, astrochemical simulations have been employed to model and understand its formation and destruction path- ways. With the adve…
Mapping Synthetic Observations to Prestellar Core Models: An Interpretable Machine Learning Approach
T. Grassi, M. Padovani, D. Galli +6
Observations of molecular lines are a key tool to determine the main physical properties of prestellar cores. However, not all the information is retained in the observational proc…
Testing analytical methods to derive the cosmic-ray ionisation rate in cold regions via synthetic observations
E. Redaelli, S. Bovino, A. Lupi +4
Cosmic rays (CRs) heavily impact the chemistry and physics of cold and dense star-forming regions. However, characterising their ionisation rate is still challenging from an observ…
The Astrochemistry Low-energy Electron Cross-Section (ALeCS) database I. Semi-empirical electron-impact ionization cross-section calculations and ionization rates
Brandt A. L. Gaches, Tommaso Grassi, Stefan Vogt-Geisse +6
(Abridged) Electron-molecule interaction is a fundamental process in radiation-driven chemistry in space, from the interstellar medium to comets. Therefore, knowledge of interactio…
First ALMA maps of cosmic ray ionisation rate in high-mass star-forming regions
Giovanni Sabatini, Stefano Bovino, Elena Redaelli
Low-energy cosmic rays ( TeV) are a pivotal source of ionisation of the interstellar medium, where they play a central role in determining the gas chemical composition and dras…
Formation of metal-free binaries: Impact of H line cooling and CIE cooling
Rafeel Riaz, Dominik R. G. Schleicher, Stefano Bovino +2
During primordial star formation, the main cooling channel is provided by H and super-molecules, such as H or H, at sufficiently high densities. When the latter f…
The ALMA Survey of 70 Dark High-mass Clumps in Early Stages (ASHES). VII: Chemistry of Embedded Dense Cores
Shanghuo Li, Patricio Sanhueza, Xing Lu +15
We present a study of chemistry toward 294 dense cores in 12 molecular clumps using the data obtained from the ALMA Survey of 70 dark High-mass clumps in Early Stages (ASH…
The core population and kinematics of a massive clump at early stages: an ALMA view
E. Redaelli, S. Bovino, P. Sanhueza +5
High-mass star formation theories make distinct predictions on the properties of the prestellar seeds of high-mass stars. Observations of the early stages of high-mass star formati…
The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). VI. The core-scale CO-depletion
Giovanni Sabatini, Stefano Bovino, Patricio Sanhueza +11
Studying the physical and chemical properties of cold and dense molecular clouds is crucial for the understanding of how stars form. Under the typical conditions of infrared dark c…
Unusually high HCO+/CO ratios in and outside supernova remnant W49B
Ping Zhou, Gao-Yuan Zhang, Xin Zhou +10
Galactic supernova remnants (SNRs) and their environments provide the nearest laboratories to study SN feedback. We performed molecular observations toward SNR W49B, the most lumin…
Molecular gas properties of Q1700-MD94: a massive, main-sequence galaxy at
K. Henríquez-Brocal, R. Herrera-Camus, L. Tacconi +8
We use a combination of new NOrthern Extended Millimeter Array (NOEMA) observations of the pair of [CI] transitions, the CO(7-6) line, and the dust continuum, in addition to ancill…
On the low ortho-to-para H2 ratio in star-forming filaments
Alessandro Lupi, Stefano Bovino, Tommaso Grassi
The formation of stars and planetary systems is a complex phenomenon, which relies on the interplay of multiple physical processes. Nonetheless, it represents a crucial stage for o…
High-redshift quasars and their host galaxies II: multiphase gas and stellar kinematics
Alessandro Lupi, Marta Volonteri, Roberto Decarli +2
Observations of quasars provide information on the early phases of the most massive black holes (MBHs) and galaxies. Current observations at sub-mm wavelengths trace…
Chemical analysis of prestellar cores in Ophiuchus yields short timescales and rapid collapse
Stefano Bovino, Alessandro Lupi, Andrea Giannetti +4
Sun-like stars form from the contraction of cold and dense interstellar clouds. How the collapse proceeds and what are the main physical processes driving it, however, is still und…
Establishing the evolutionary timescales of the massive star formation process through chemistry
G. Sabatini, S. Bovino, A. Giannetti +6
(Abridged) Understanding the details of the formation process of massive (i.e. M<8-10M) stars is a long-standing problem in astrophysics. [...] We present a method to deriv…
Identification of prestellar cores in high-mass star forming clumps via observations with ALMA
E. Redaelli, S. Bovino, A. Giannetti +5
Context. The different theoretical models concerning the formation of high-mass stars make distinct predictions regarding their progenitors, i.e. the high-mass prestellar cores. Ho…
Modelling H and its effects on star formation using a joint implementation of GADGET-3 and KROME
Emanuel Sillero, Patricia B. Tissera, Diego G. Lambas +5
We present P-GADGET3-K, an updated version of GADGET3, that incorporates the chemistry package KROME. P-GADGET3-K follows the hydrodynamical and chemical evolution of cosmic struct…
High level ab initio binding energy distribution of molecules on interstellar ices: Hydrogen fluoride
Giulia Bovolenta, Stefano Bovino, Esteban Vöhringer-Martinez +3
The knowledge of the binding energy of molecules on astrophysically relevant ices can help to obtain an estimate of the desorption rate, i.e. the molecules residence time on the su…
Survey of ortho-HD in high-mass star-forming regions
G. Sabatini, S. Bovino, A. Giannetti +7
(Abridged) We present a large sample of o-HD observations in high-mass star-forming regions and discuss possible empirical correlations with relevant physical quantities to…
A novel framework to study the impact of binding energy distributions on the chemistry of dust grains
T. Grassi, S. Bovino, P. Caselli +3
The evaporation of molecules from dust grains is crucial to understand some key aspects of the star- and the planet-formation processes. During the warm-up phase the presence of yo…
Synthetic observations of deuterated molecules in massive prestellar cores
Joaquin Zamponi F., Andrea Giannetti, Stefano Bovino +5
Young massive stars are usually found embedded in dense massive molecular clumps and are known for being highly obscured and distant. During their formation process, deuteration is…
Predicting FIR lines from simulated galaxies
Alessandro Lupi, Andrea Pallottini, Andrea Ferrara +3
Far-infrared (FIR) emission lines are a powerful tool to investigate the properties of the interstellar medium, especially in high-redshift galaxies, where ALMA observations have p…
A new proxy to estimate the cosmic-ray ionisation rate in dense cores
Stefano Bovino, Simon Ferrada-Chamorro, Alessandro Lupi +2
Cosmic rays are a global source of ionisation, and the ionisation fraction represents a fundamental parameter in the interstellar medium. Ions couple to magnetic fields, affect the…