Results 91 to 100 of about 21,073 (269)

Accurate line intensities of methane from first-principles calculations

, 2017
In this work, we report first-principle theoretical predictions of methane spectral line intensities that are competitive with (and complementary to) the best laboratory measurements.
Vladimir G. Tyuterev, Rey, Michaël, Nikitin, Andrei V., Andrei V. Nikitin, Michael Rey, Tyuterev, Vladimir G.   +5 more
core   +2 more sources

Introducing STARDIS: An Open and Modular Stellar Spectral Synthesis Code

The Astrophysical Journal
We introduce a new 1D stellar spectral synthesis Python code called stardis . stardis is a modular, open-source radiative transfer code that is capable of spectral synthesis from near-UV to IR for FGK stars.
Joshua V. Shields, Wolfgang Kerzendorf, Isaac G. Smith, Tiago M. D. Pereira, Christian Vogl, Ryan Groneck, Andrew G. Fullard, Jaladh Singhal, Jing Lu, Christopher J. Fontes   +9 more
doaj   +1 more source

Computing Highly Accurate Spectroscopic Line Lists for Characterization of Planetary Atmospheres: CO2 and SO2 Line Lists Needed for Modeling Venus

, 2016
Over the last decade, it has become apparent that the most effective approach for determining highly accurate rotational and rovibrational line lists for molecules of interest in planetary atmospheres and other astrophysical environments is through a ...
Lee, Timothy J., Schwenke, David W., Huang, Xinchuan   +2 more
core  

The Search for Very High Energy γ-rays from Misaligned AGN [PDF]

, 2013
The aim of this work is to study the potential for emission at very high energies (100 GeV) by misaligned active galactic nuclei (AGN) and the future prospects for observations of these objects with the next generation imaging atmospheric Cherenkov ...
CHEESEBROUGH, ALISTAIR
core  

Risk of Retinopathy Associated with Long‐Term Use of Hydroxychloroquine in Patients with Rheumatic Diseases: A Systematic Review and Meta‐Analysis

Arthritis Care &Research, EarlyView.
Objective We aimed to estimate the prevalence and cumulative incidence of hydroxychloroquine retinopathy (HCQ‐R) and its risk factors among patients receiving long‐term HCQ with rheumatic diseases through a systematic review and meta‐analysis of observational studies that used spectral‐domain optical coherence tomography (SD‐OCT) for screening ...
Narsis Daftarian, Chloe Yue, Steve D Levasseur, Hui Xie, J. Antonio Avina‐Zubieta   +4 more
wiley   +1 more source

Rovibrational line lists of triplet and singlet methylene

International audienceMethylene molecule (CH2) is a short-lived radical with lacking data on its spectral line intensities.Although the lifetime of CH2 is extremely short under the Earth's conditions, it exists in a free form in interstellar media.
Viglaska, Dominika, Egorov, Oleg, Rey, Michael, M., Nikitin, Andrei   +3 more
core   +1 more source

Distinct Systemic Sclerosis Phenotypes Related to Ethnicity: An Opportunity to Personalize Care?

Arthritis Care &Research, EarlyView.
Objective The objective is to describe and compare demographic, clinical, and serological characteristics of patients with systemic sclerosis (SSc) according to ethnic background. Methods Participants enrolled in the Canadian Scleroderma Research Group cohort who self‐identified to a single ethnicity group were included.
Danick Goulet, Camille Guertin, Maggie Larché, Isabelle Ferdinand, Marie Hudson, May Y. Choi, Mohammed Osman, Janet Pope, Carter Thorne, Murray Baron, Sasha Bernatsky, Sabrina Hoa   +11 more
wiley   +1 more source

Accelerating atomic fine structure determination with graph reinforcement learning

Communications Physics
Atomic data determined by analysis of observed atomic spectra are essential for plasma diagnostics. For each low-ionisation open d- and f-subshell atomic species, around 103 fine structure energy levels can be determined through years of analysis of 104 ...
Milan Ding, Victor-Alexandru Darvariu, Alexander N. Ryabtsev, Nick Hawes, Juliet C. Pickering   +4 more
doaj   +1 more source

The IR spectrum of 12C2H2: line intensity measurements in the 1.4 µm region and update of the databases

, 2009
International audienceSpectroscopic data are noticeably enriched in six spectral regions of the main isotopologue 12C2H2 of the acetylene molecule, namely, in the regions around 3, 2.2, 1.9, 1.7, 1.5, and 1.4 µm.
Jacquemart, David, Régalia-Jarlot, Laurence, I. Perevalov, Valery, Lacome, Nelly, Mandin, Jean-Yves, Tran, Ha, K. Gueye, Fathou, Dana, Victor, M. Lyulin, Oleg   +8 more
core   +1 more source

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

Advanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt, Varma Kvvssn, Hossein Laieghi, Zia Uddin, Peyman Ansari, E. Kıvanç Sadak, Can Barış Toprak, Hüseyin Kızıl, Enrico Salvati   +8 more
wiley   +1 more source