Articles | Volume 20, issue 9
https://doi.org/10.5194/acp-20-5269-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-5269-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
06 May 2020
Research article |
| 06 May 2020
| 06 May 2020
OH level populations and accuracies of Einstein-A coefficients from hundreds of measured lines
Institut für Physik, Universität Augsburg, Augsburg, Germany
Deutsches Fernerkundungsdatenzentrum, Deutsches Zentrum für Luft-
und Raumfahrt, Weßling-Oberpfaffenhofen, Germany
Holger Winkler
Institut für Umweltphysik, Universität Bremen, Bremen, Germany
Oleg Goussev
Deutsches Fernerkundungsdatenzentrum, Deutsches Zentrum für Luft-
und Raumfahrt, Weßling-Oberpfaffenhofen, Germany
Bastian Proxauf
Max-Planck-Institut für Sonnensystemforschung, Göttingen,
Germany
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- Frequency conversion in a hydrogen-filled hollow-core fiber: power scaling, background, and bandwidth A. Hamer et al. https://doi.org/10.1364/OL.553732
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- Climatologies of Various OH Lines From About 90,000 X‐Shooter Spectra S. Noll et al. https://doi.org/10.1029/2022JD038275
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- Global modelling of the observed line positions for the spectra of ultraviolet bands: Dunham coefficients for the A2Σ+ excited state of the 16OH molecule O. Sulakshina & Y. Borkov https://doi.org/10.1080/00268976.2023.2222346
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- Kinetic Laser Absorption Spectroscopy of Vibrationally Excited Hydroxyl Radicals on Infrared Transitions ν = 3 ← 1 and ν = 4 ← 2 D. Plastinina et al. https://doi.org/10.3390/molecules30030540
- Infrared Spectra of Small Radicals for Exoplanetary Spectroscopy: OH, NH, CN and CH: The State of Current Knowledge S. Civiš et al. https://doi.org/10.3390/molecules28083362
- IPA: Accretion Rate of a Low-mass Class 0 Protostar, Measured via Mid-IR Fluorescent OH Emission D. Watson et al. https://doi.org/10.3847/1538-4357/ae3155
- Studies of atmospheric waves by ground-based observations of OH(3–1) emission and rotational temperature using PRL airglow InfraRed spectrograph (PAIRS) R. Singh et al. https://doi.org/10.1016/j.jastp.2023.106039
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- A Spectroscopic Thermometer: Individual Vibrational Band Spectroscopy with the Example of OH in the Atmosphere of WASP-33b S. Wright et al. https://doi.org/10.3847/1538-3881/acdb75
- Manifestation of the normal intensity distribution law (NIDL) in the rovibrational emission spectrum of hydroxyl radical E. Medvedev et al. https://doi.org/10.1080/00268976.2024.2395439
- Effective Emission Heights of Various OH Lines From X‐Shooter and SABER Observations of a Passing Quasi‐2‐Day Wave S. Noll et al. https://doi.org/10.1029/2022JD036610
27 citations as recorded by crossref.
- OH airglow observations with two identical spectrometers: benefits of increased data homogeneity in the identification of variations induced by the 11-year solar cycle, the QBO, and other factors C. Schmidt et al. https://doi.org/10.5194/amt-16-4331-2023
- Frequency conversion in a hydrogen-filled hollow-core fiber: power scaling, background, and bandwidth A. Hamer et al. https://doi.org/10.1364/OL.553732
- PALACE v1.0: Paranal Airglow Line And Continuum Emission model S. Noll et al. https://doi.org/10.5194/gmd-18-4353-2025
- Intra-annual variations of spectrally resolved gravity wave activity in the upper mesosphere/lower thermosphere (UMLT) region R. Sedlak et al. https://doi.org/10.5194/amt-13-5117-2020
- Temperature profiles combined from lidar and airglow measurements T. Trickl et al. https://doi.org/10.5194/amt-18-7477-2025
- The HITRAN2020 molecular spectroscopic database I. Gordon et al. https://doi.org/10.1016/j.jqsrt.2021.107949
- Opinion: Recent developments and future directions in studying the mesosphere and lower thermosphere J. Plane et al. https://doi.org/10.5194/acp-23-13255-2023
- The HITRAN2024 molecular spectroscopic database I. Gordon et al. https://doi.org/10.1016/j.jqsrt.2026.109807
- Development of a dual-spectroscopic system to rapidly measure diisopropyl methyl phosphonate (DIMP) decomposition and temperature in a reactive powder environment P. Borah et al. https://doi.org/10.1063/5.0233744
- OH vibrational distributions: A comparison of Einstein A transition probabilities M. Hart https://doi.org/10.1016/j.jqsrt.2021.107770
- Climatologies of Various OH Lines From About 90,000 X‐Shooter Spectra S. Noll et al. https://doi.org/10.1029/2022JD038275
- A high throughput rapid scanning dispersive spectrometer for longwave infrared absorption spectroscopy A. Butler et al. https://doi.org/10.1088/1361-6501/ac9d5b
- Hydroxyl Lines and Moonlight: A High Spectral Resolution Investigation of Near-infrared Skylines from Maunakea to Guide Near-infrared Spectroscopic Surveys F. Dauphin et al. https://doi.org/10.3847/1538-3881/ad9a66
- Global modelling of the observed line positions for the spectra of ultraviolet bands: Dunham coefficients for the A2Σ+ excited state of the 16OH molecule O. Sulakshina & Y. Borkov https://doi.org/10.1080/00268976.2023.2222346
- Non-local thermal equilibrium spectra of atmospheric molecules for exoplanets S. Wright et al. https://doi.org/10.1093/mnras/stac654
- Measurements of absolute line strength of the ν1 fundamental transitions of OH radical and rate coefficient of the reaction OH + H2O2 with mid-infrared two-color time-resolved dual-comb spectroscopy C. Chang et al. https://doi.org/10.1063/5.0176311
- Kinetic Laser Absorption Spectroscopy of Vibrationally Excited Hydroxyl Radicals on Infrared Transitions ν = 3 ← 1 and ν = 4 ← 2 D. Plastinina et al. https://doi.org/10.3390/molecules30030540
- Infrared Spectra of Small Radicals for Exoplanetary Spectroscopy: OH, NH, CN and CH: The State of Current Knowledge S. Civiš et al. https://doi.org/10.3390/molecules28083362
- IPA: Accretion Rate of a Low-mass Class 0 Protostar, Measured via Mid-IR Fluorescent OH Emission D. Watson et al. https://doi.org/10.3847/1538-4357/ae3155
- Studies of atmospheric waves by ground-based observations of OH(3–1) emission and rotational temperature using PRL airglow InfraRed spectrograph (PAIRS) R. Singh et al. https://doi.org/10.1016/j.jastp.2023.106039
- Global modelling of the observed line positions: Dunham coefficients for the ground state of 16OH molecule O. Sulakshina & Y. Borkov https://doi.org/10.1080/00268976.2022.2072408
- Hydroxyl airglow observations for investigating atmospheric dynamics: results and challenges S. Wüst et al. https://doi.org/10.5194/acp-23-1599-2023
- Three-states model for calculating the X-X rovibrational transition intensities in hydroxyl radical V. Ushakov et al. https://doi.org/10.1016/j.jms.2024.111977
- First Detection of Hydroxyl Radical Emission from an Exoplanet Atmosphere: High-dispersion Characterization of WASP-33b Using Subaru/IRD S. Nugroho et al. https://doi.org/10.3847/2041-8213/abec71
- A Spectroscopic Thermometer: Individual Vibrational Band Spectroscopy with the Example of OH in the Atmosphere of WASP-33b S. Wright et al. https://doi.org/10.3847/1538-3881/acdb75
- Manifestation of the normal intensity distribution law (NIDL) in the rovibrational emission spectrum of hydroxyl radical E. Medvedev et al. https://doi.org/10.1080/00268976.2024.2395439
- Effective Emission Heights of Various OH Lines From X‐Shooter and SABER Observations of a Passing Quasi‐2‐Day Wave S. Noll et al. https://doi.org/10.1029/2022JD036610
Saved (final revised paper)
Latest update: 11 Jun 2026
Short summary
Line emission from hydroxyl (OH) molecules at altitudes of about 90 km strongly contributes to the Earth's night-sky brightness and is therefore used as an important indicator of atmospheric chemistry and dynamics. However, interpreting the measurements can be ambiguous since necessary molecular parameters and the internal state of OH are not well known. Based on high-quality spectral data, we investigated these issues and found solutions for a better understanding of the OH line intensities.
Line emission from hydroxyl (OH) molecules at altitudes of about 90 km strongly contributes to...
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