Search Results - "Godard, Benjamin"
-
1
Experimental and Numerical Analysis of a Compressor Stage under Flow Distortion
Published in International journal of turbomachinery, propulsion and power (2021)“…On many occasions, fan or compressor stages have to face azimuthal flow distortion at inlet, which affects their performance and stability. These flow…”
Get full text
Journal Article -
2
CH + (1-0) in a z~2.8 galaxy group: Probe of multi-phasic turbulent gas reservoirs
Published in EPJ Web of Conferences (2022)“…Starburst galaxies at redshifts z~2 to 4 are among the most intensely star-forming galaxies in the universe. The way they accrete their gas to form stars at…”
Get full text
Journal Article Conference Proceeding -
3
Supernova Shocks in Molecular Clouds: Shocks Driven into Dense Cores in IC 443 and 3C 391
Published in The Astrophysical journal (06-11-2024)“…Supernova shocks into dense molecular cores in IC 443 (clumps B, C, and G) and 3C 391 were observed using the Stratospheric Observatory for Infrared Astronomy…”
Get full text
Journal Article -
4
Anomalous Intensities in the Infrared Emission of CH+ Explained by Quantum Nuclear Motion and Electric Dipole Calculations
Published in The Astrophysical journal (01-08-2021)“…The unusual infrared emission patterns of CH + , recently detected in the planetary nebula NGC 7027, are examined theoretically with high-accuracy…”
Get full text
Journal Article -
5
3D chemical structure of the diffuse turbulent ISM II -- Origin of CH$^+$, new solution to an 80 years mystery
Published 21-09-2022“…A&A 669, A74 (2023) Aims: The large abundances of CH$^+$ in the diffuse interstellar medium (ISM) are a long standing issue of our understanding of the…”
Get full text
Journal Article -
6
Observations and Analysis of CH+ Vibrational Emissions from the Young, Carbon-rich Planetary Nebula NGC 7027: A Textbook Example of Chemical Pumping
Published in The Astrophysical journal (01-08-2021)“…We discuss the detection of 14 rovibrational lines of CH + , obtained toward the planetary nebula NGC 7027 with the iSHELL spectrograph on NASA’s Infrared…”
Get full text
Journal Article -
7
H2(v = 0,1) C (2 P) --> H CH State-to-state Rate Constants for Chemical Pumping Models in Astrophysical Media
Published in The Astrophysical journal (01-04-2013)“…State-to-state rate constants for the title reaction are calculated using the electronic ground state potential energy surface and an accurate quantum…”
Get full text
Journal Article -
8
OH + IN ASTROPHYSICAL MEDIA: STATE-TO-STATE FORMATION RATES, EINSTEIN COEFFICIENTS AND INELASTIC COLLISION RATES WITH He
Published in The Astrophysical journal (10-10-2014)“…The rate constants required to model the OH{sup +} observations in different regions of the interstellar medium have been determined using state of the art…”
Get full text
Journal Article -
9
Determination of the Ortho to Para Ratio of H2Cl+ and H2O+ from Submillimeter Observations
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (03-10-2013)“…The opening of the submillimeter sky with the Herschel Space Observatory has led to the detection of new interstellar molecular ions, H2O+, H2Cl+, and HCl+,…”
Get full text
Journal Article -
10
OH super(+) IN ASTROPHYSICAL MEDIA: STATE-TO-STATE FORMATION RATES, EINSTEIN COEFFICIENTS AND INELASTIC COLLISION RATES WITH He
Published in The Astrophysical journal (01-01-2014)“…The rate constants required to model the OH super(+) observations in different regions of the interstellar medium have been determined using state of the art…”
Get full text
Journal Article -
11
Determination of the Ortho to Para Ratio of H sub(2)Cl super(+) and H sub(2)O super(+) from Submillimeter Observations
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (01-01-2013)“…The opening of the submillimeter sky with the Herschel Space Observatory has led to the detection of new interstellar molecular ions, H sub(2)O super(+), H…”
Get full text
Journal Article -
12
-
13
Physical conditions in Centaurus A's northern filaments II: Does the HCO$^+$ emission highlight the presence of shocks?
Published 23-10-2024“…A&A 690, L18 (2024) Abridged: We present the first observation of the HCO+(1-0) and HCN(1-0) emission in the northern filaments of Centaurus A with ALMA…”
Get full text
Journal Article -
14
Shocks in the warm neutral medium I -- Theoretical model
Published 03-07-2024“…A&A 688, A169 (2024) Context. Atomic and molecular line emissions from shocks may provide valuable information on the injection of mechanical energy in the…”
Get full text
Journal Article -
15
Shocks in the warm neutral medium II -- Origin of neutral carbon at high pressure
Published 28-06-2024“…A&A 689, A25 (2024) Aims: Ultraviolet (UV) lines of neutral carbon observed in absorption in the local diffuse interstellar medium (ISM) have long revealed…”
Get full text
Journal Article -
16
The Molecular Cloud Lifecycle I: Constraining H2 formation and dissociation rates with observations
Published 12-08-2024“…Molecular clouds (MCs) are the birthplaces of new stars in galaxies. A key component of MCs are photodissociation regions (PDRs), where far-ultraviolet…”
Get full text
Journal Article -
17
Anomalous intensities in the infrared emission of CH$^+$ explained by quantum nuclear motion and electric dipole calculations
Published 28-05-2021“…The unusual infrared emission patterns of CH$^+$, recently detected in the planetary nebula NGC 7027, are examined theoretically with high-accuracy…”
Get full text
Journal Article -
18
Self-generated ultraviolet radiation in molecular shock waves II. CH+ and the interpretation of emission from shock ensembles
Published 28-11-2021“…A&A 658, A165 (2022) Shocks, modelled over a broad range of parameters, are used to construct a new tool to deduce the mechanical energy and physical…”
Get full text
Journal Article -
19
3D chemical structure of diffuse turbulent ISM. I. Statistics of the HI-to-H$_2$ transition
Published 11-09-2020“…A&A 643, A36 (2020) We studied the statistical properties of the HI-to-H$_2$ transition observed in absorption in the local diffuse and multiphase ISM to…”
Get full text
Journal Article -
20
A complete model of CH+ rotational excitation including radiative and chemical pumping processes
Published 23-11-2012“…Aims. Excitation of far-infrared and submillimetric molecular lines may originate from nonreactive collisions, chemical formation, or far infrared,…”
Get full text
Journal Article