PG
Pierre Gratier
astro-ph.GAastro-ph.COastro-ph.EPastro-ph.IMISM: abundancesISM: moleculesAstrochemistryastro-ph.SRISM: cloudsstat.AP
On Valency
published · living versionsW_z9f6fyy9·v1 · currentpublished
Triggering the formation of the supergiant H II region NGC 604 in M33
with Kengo Tachihara, Hidetoshi Sano, Kisetsu Tsuge, Rie E. Miura +2
1 version
W_4cq98m4a·v1published
Preprints & journals
96 papers in the corpus · 2010–2026Chemical diversity of dense cores in Orion B: The role of the environment2607.07489v1 · Helena J. Mazurek, Maryvonne Gerin, Pierre Gratier et al.2026 · 0 citationsarXiv
Predicting CO and dust emission of star-forming galaxies2604.00708v1 · B. Vollmer, J. Braine, M. Soida et al.2026 · 0 citationsarXiv
Ice chemistry that can be unveiled with the JWST: SynthIceSpec, a synthetic spectrum generator to test spectral limits. Solid CO_2 as a dust thermometer and solid CH_3CN detectability in cold cores2603.25619v1 · A. Taillard, P. Gratier, J. A. Noble et al.2026 · 0 citationsarXiv
Spatial distribution of organics in the Horsehead nebula: Signposts of chemistry driven by atomic carbon2601.20146v3 · Claudio Hern'andez-Vera, Viviana V. Guzm'an, J'erome Pety et al.2026 · 0 citationsarXiv
Tracers of the ionization fraction in dense and translucent molecular gas: II. Using mm observations to constrain ionization fraction across Orion B2507.19480v1 · Ivana Besli'c, Maryvonne Gerin, Viviana V. Guzm'an et al.2025 · 2 citationsA&A 702, A205 (2025)
Chemical constraints on the dynamical evolution of the cold core L6942507.00843v1 · A. Taillard, V. Wakelam, P. Gratier et al.2025 · 2 citationsAstronomy & Astrophysics, Volume 698, id.A278, 17 pp (2025)
Estimating the dense gas mass of molecular clouds using spatially unresolved 3 mm line observations2504.10145v2 · Antoine Zakardjian, Annie Hughes, J'erome Pety et al.2025 · 1 citationA&A 703, A176 (2025)
Beetroots: spatially-regularized Bayesian inference of physical parameter maps -- Application to Orion2504.08387v1 · Pierre Palud, Emeric Bron, Pierre Chainais et al.2025 · 1 citationA&A 698, A311 (2025)
Predicting HCN, HCO, multi-transition CO, and dust emission of star-forming galaxies -- Extension to luminous infrared galaxies and the role of cosmic ray ionization2411.18420v1 · B. Vollmer, J. Freundlich, P. Gratier et al.2024 · 3 citationsA&A 693, A267 (2025)
Toward a robust physical and chemical characterization of heterogeneous lines of sight: The case of the Horsehead nebula2409.20074v2 · L'eontine S'egal, Antoine Roueff, J'erome Pety et al.2024 · 4 citationsA&A 692, A160 (2024)
Quantifying the informativity of emission lines to infer physical conditions in giant molecular clouds. I. Application to model predictions2408.08114v2 · Lucas Einig, Pierre Palud, Antoine Roueff et al.2024 · 8 citationsA&A 691, A109 (2024)
The 2024 KIDA network for interstellar chemistry2407.15958v1 · V. Wakelam, P. Gratier, J.-C. Loison et al.2024 · 78 citationsarXiv
Chemistry in the GG Tau A Disk: Constraints from H2D+, N2H+, and DCO+ High Angular Resolution ALMA Observations2407.07238v2 · Parashmoni Kashyap, Liton Majumdar, Anne Dutrey et al.2024 · 5 citationsarXiv
Bias versus variance when fitting multi-species molecular lines with a non-LTE radiative transfer model2403.20057v1 · Antoine Roueff (IM2NP), J'erome Pety (IRAM, LERMA (UMR_8112)) et al.2024 · 10 citationsarXiv
HCN emission from translucent gas and UV-illuminated cloud edges revealed by wide-field IRAM 30m maps of Orion B GMC: Revisiting its role as tracer of the dense gas reservoir for star formation2309.03186v2 · M. G. Santa-Maria, J. R. Goicoechea, J. Pety et al.2023 · 21 citationsA&A 679, A4 (2023)
Neural network-based emulation of interstellar medium models2309.01724v1 · Pierre Palud, Lucas Einig, Franck Le Petit et al.2023 · 10 citationsA&A 678, A198 (2023)
Deep learning denoising by dimension reduction: Application to the ORION-B line cubes2307.13009v1 · Lucas Einig (IRAM), J'erome Pety (IRAM, LERMA (UMR_8112)) et al.2023 · 19 citationsA&A 677, A158 (2023)
The extremely sharp transition between molecular and ionized gas in the Horsehead nebula2307.09540v1 · C. Hern'andez-Vera, V. V. Guzm'an, J. R. Goicoechea et al.2023 · 17 citationsA&A 677, A152 (2023)
Astrochemical models of interstellar ices: History matters2306.08346v1 · A. Cl'ement, A. Taillard, V. Wakelam et al.2023 · 17 citationsarXiv
Constraints on the non-thermal desorption of methanol in the cold core LDN 429-C2301.01288v1 · A. Taillard, V. WakelaM, P. Gratier et al.2023 · 7 citationsarXiv
Gas kinematics around filamentary structures in the Orion B cloud2211.14350v1 · Mathilde Gaudel, Jan H. Orkisz, Maryvonne Gerin et al.2022 · 12 citationsA&A 670, A59 (2023)
Confirmation of the outflow in L1451-mm: SiO line and CHOH maser detections2208.13606v1 · V. Wakelam, A. Coutens, P. Gratier et al.2022 · 6 citationsarXiv
From the Circumnuclear Disk in the Galactic Center to thick, obscuring tori of AGNs -- Modelling the molecular emission of a parsec-scale torus as found in NGC10682206.14513v1 · B. Vollmer, R.I. Davies, P. Gratier et al.2022 · 9 citationsA&A 665, A102 (2022)
Predicting HCN, HCO + , multi-transition CO, and dust emission of star-forming galaxies: Constraining the properties of resolved gas and dust disks of local spiral galaxies2205.07365v1 · T. Liz'ee, B. Vollmer, J. Braine et al.2022 · 5 citationsA&A 663, A152 (2022)
Chemical compositions of five Planck cold clumps2103.09526v1 · V. Wakelam, P. Gratier, M. Ruaud et al.2021 · 11 citationsarXiv
Chemical nitrogen fractionation in dense molecular clouds2012.07713v1 · Jean-Christophe Loison, Valentine Wakelam, Pierre Gratier et al.2020 · 40 citationsarXiv
Gas-grain model of carbon fractionation in dense molecular clouds2008.13411v1 · Jean-Christophe Loison, Valentine Wakelam, Pierre Gratier et al.2020 · 37 citationsarXiv
Quantitative inference of the column densities from 3 mm molecular emission: A case study towards Orion B2008.13417v1 · Pierre Gratier, J'erome Pety, Emeric Bron et al.2020 · 21 citationsA&A 645, A27 (2021)
Tracers of the ionization fraction in dense and translucent gas: I. Automated exploitation of massive astrochemical model grids2007.13593v1 · Emeric Bron, Evelyne Roueff, Maryvonne Gerin et al.2020 · 24 citationsA&A 645, A28 (2021)
Influence of galactic arm scale dynamics on the molecular composition of the cold and dense ISM III. Elemental depletion and shortcomings of the current physico-chemical models2007.11788v1 · V. Wakelam, W. Iqbal, J.-P. Melisse et al.2020 · 6 citationsarXiv
C18O, 13CO, and 12CO abundances and excitation temperatures in the Orion B molecular cloud: An analysis of the precision achievable when modeling spectral line within the Local Thermodynamic Equilibrium approximation2005.08317v1 · Antoine Roueff, Maryvonne Gerin, Pierre Gratier et al.2020 · 40 citationsA&A 645, A26 (2021)
Revised mass-radius relationships for water-rich rocky planets more irradiated than the runaway greenhouse limit1911.08878v3 · Martin Turbet, Emeline Bolmont, David Ehrenreich et al.2019 · 108 citationsA&A 638, A41 (2020)
Rotation of molecular clouds in M~511911.08977v1 · J. Braine, A. Hughes, E. Rosolowsky et al.2019 · 31 citationsA&A 633, A17 (2020)
Abundances of sulphur molecules in the Horsehead nebula First NS+ detection in a photodissociation region.31511745 · Rivière-Marichalar, P, Fuente, A, Goicoechea, J R et al.2026 · 58 citationsAstronomy and astrophysics. 2019;628
New constraints on the initial parameters of low-mass star formation from chemical modeling1905.05592v1 · Thomas H. G. Vidal, Pierre Gratier, Neil Vaytet et al.2019 · 2 citationsarXiv
Influence of galactic arm scale dynamics on the molecular composition of the cold and dense ISM II. Molecular oxygen abundance1905.00800v2 · V. Wakelam, M. Ruaud, P. Gratier et al.2019 · 17 citationsarXiv
Gas phase Elemental abundances in Molecular cloudS (GEMS): I. The prototypical dark cloud TMC 1.31156252 · Fuente, A, Navarro, D G, Caselli, P et al.2025 · 130 citationsAstronomy and astrophysics. 2019;624
Oxygen fractionation in dense molecular clouds.31427830 · Loison, Jean-Christophe, Wakelam, Valentine, Gratier, Pierre et al.2025 · 45 citationsMonthly notices of the Royal Astronomical Society. 2019;485(4):5777-5789
A dynamically young, gravitationally stable network of filaments in Orion B1902.02077v2 · Jan H. Orkisz, Nicolas Peretto, J'erome Pety et al.2019 · 40 citationsA&A 624, A113 (2019)
Small-scale physical and chemical structure of diffuse and translucent molecular clouds along the line of sight to Sgr B21901.03231v1 · V. Thiel, A. Belloche, K. M. Menten et al.2019 · 22 citationsA&A 623, A68 (2019)
Methyl cyanide (CH3CN) and propyne (CH3CCH) in the low mass protostar IRAS 16293-24221812.05416v1 · Ines Andron, Pierre Gratier, Liton Majumdar et al.2018 · 30 citationsMonthly Notices of the Royal Astronomical Society, 2018, Volume 481, Issue 4, p.5651-5659
Statistical study of uncertainties in the diffusion rate of species on interstellar ice and its impact on chemical model predictions1811.03488v1 · Wasim Iqbal, Valentine Wakelam, Pierre Gratier2018 · 15 citationsA&A 620, A109 (2018)
Detection of HOCO+ in the protostar IRAS 16293-24221803.05442v1 · Liton Majumdar, Pierre Gratier, Valentine Wakelam et al.2018 · 15 citationsarXiv
Triggering the formation of the supergiant H II region NGC 604 in M331802.02310v1 · Kengo Tachihara, Pierre Gratier, Hidetoshi Sano et al.2018 · 21 citationsPublications of the Astronomical Society of Japan, 2018on Valency
Clustering the Orion B giant molecular cloud based on its molecular emission.29456256 · Bron, Emeric, Daudon, Chloé, Pety, Jérôme et al.2025 · 37 citationsAstronomy and astrophysics. 2018;610
Spatially resolving the dust properties and submillimetre excess in M 331801.04806v1 · M. Relano, I. De Looze, R. C. Kennicutt et al.2018 · 30 citationsA&A 613, A43 (2018)
Properties and rotation of molecular clouds in M 331801.04171v1 · Jonathan Braine, Erik Rosolowsky, Pierre Gratier et al.2018 · 48 citationsarXiv
First Detection of Interstellar S2H.29862006 · Fuente, Asunción, Goicoechea, Javier R, Pety, Jerome et al.2025 · 81 citationsThe astrophysical journal. Letters. 2017;851
Influence of galactic arm scale dynamics on the molecular composition of the cold and dense ISM I. Observed abundance gradients in dense clouds1712.06696v1 · M. Ruaud, V. Wakelam, P. Gratier et al.2017 · 16 citationsA&A 611, A96 (2018)
The interstellar chemistry of C3H and C3H2 isomers.29142332 · Loison, Jean-Christophe, Agúndez, Marcelino, Wakelam, Valentine et al.2025 · 93 citationsMonthly notices of the Royal Astronomical Society. 2017;470(4):4075-4088
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