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Line Strengths of Rovibrational and Rotational Transitions in the Ground State of OH

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Line Strengths of Rovibrational and Rotational Transitions in the Ground State of OH. / Brooke, James S.A.; Bernath, Peter F.; Western, Colin M.; Sneden, Christopher; Afşar, Melike; Li, Gang; Gordon, Iouli E.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 168, 01.2016, p. 142-157.

Research output: Contribution to journalArticle

Harvard

Brooke, JSA, Bernath, PF, Western, CM, Sneden, C, Afşar, M, Li, G & Gordon, IE 2016, 'Line Strengths of Rovibrational and Rotational Transitions in the Ground State of OH', Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 168, pp. 142-157. https://doi.org/10.1016/j.jqsrt.2015.07.021

APA

Brooke, J. S. A., Bernath, P. F., Western, C. M., Sneden, C., Afşar, M., Li, G., & Gordon, I. E. (2016). Line Strengths of Rovibrational and Rotational Transitions in the Ground State of OH. Journal of Quantitative Spectroscopy and Radiative Transfer, 168, 142-157. https://doi.org/10.1016/j.jqsrt.2015.07.021

Vancouver

Brooke JSA, Bernath PF, Western CM, Sneden C, Afşar M, Li G et al. Line Strengths of Rovibrational and Rotational Transitions in the Ground State of OH. Journal of Quantitative Spectroscopy and Radiative Transfer. 2016 Jan;168:142-157. https://doi.org/10.1016/j.jqsrt.2015.07.021

Author

Brooke, James S.A. ; Bernath, Peter F. ; Western, Colin M. ; Sneden, Christopher ; Afşar, Melike ; Li, Gang ; Gordon, Iouli E. / Line Strengths of Rovibrational and Rotational Transitions in the Ground State of OH. In: Journal of Quantitative Spectroscopy and Radiative Transfer. 2016 ; Vol. 168. pp. 142-157.

Bibtex

@article{e4f66230c33944d293468e3dda602009,
title = "Line Strengths of Rovibrational and Rotational Transitions in the Ground State of OH",
abstract = "A new line list including positions and absolute transition strengths (in the form of Einstein A values and oscillator strengths) has been produced for the OH ground X 2 Π state rovibrational (Meinel system) and pure rotational transitions. All possible transitions are included with v ′ and v ″ up to 13, and J up to between 9.5 and 59.5, depending on the band. An updated fit to determine molecular constants has been performed, which includes some new rotational data and a simultaneous fitting of all molecular constants. The absolute transition strengths are based on a new dipole moment function, which is a combination of two high level ab initio calculations. The calculations show good agreement with an experimental v=1 lifetime, experimental μ v values, and Δv=2 line intensity ratios from an observed spectrum. To achieve this good agreement, an alteration in the method of converting matrix elements from Hund's case (b) to (a) was made. Partitions sums have been calculated using the new energy levels, for the temperature range 5-6000 K, which extends the previously available (in HITRAN) 70-3000 K range. The resulting absolute transition strengths have been used to calculate O abundances in the Sun, Arcturus, and two red giants in the Galactic open and globular clusters M67 and M71. Literature data based mainly on [O I] lines are available for the Sun and Arcturus, and excellent agreement is found.",
keywords = "OH hydroxyl radical, Line intensities, Einstein A values, Dipole moment function, Meinel system, Line lists",
author = "Brooke, {James S.A.} and Bernath, {Peter F.} and Western, {Colin M.} and Christopher Sneden and Melike Afşar and Gang Li and Gordon, {Iouli E.}",
year = "2016",
month = "1",
doi = "10.1016/j.jqsrt.2015.07.021",
language = "English",
volume = "168",
pages = "142--157",
journal = "Journal of Quantitative Spectroscopy and Radiative Transfer",
issn = "0022-4073",
publisher = "Pergamon Press",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - Line Strengths of Rovibrational and Rotational Transitions in the Ground State of OH

AU - Brooke, James S.A.

AU - Bernath, Peter F.

AU - Western, Colin M.

AU - Sneden, Christopher

AU - Afşar, Melike

AU - Li, Gang

AU - Gordon, Iouli E.

PY - 2016/1

Y1 - 2016/1

N2 - A new line list including positions and absolute transition strengths (in the form of Einstein A values and oscillator strengths) has been produced for the OH ground X 2 Π state rovibrational (Meinel system) and pure rotational transitions. All possible transitions are included with v ′ and v ″ up to 13, and J up to between 9.5 and 59.5, depending on the band. An updated fit to determine molecular constants has been performed, which includes some new rotational data and a simultaneous fitting of all molecular constants. The absolute transition strengths are based on a new dipole moment function, which is a combination of two high level ab initio calculations. The calculations show good agreement with an experimental v=1 lifetime, experimental μ v values, and Δv=2 line intensity ratios from an observed spectrum. To achieve this good agreement, an alteration in the method of converting matrix elements from Hund's case (b) to (a) was made. Partitions sums have been calculated using the new energy levels, for the temperature range 5-6000 K, which extends the previously available (in HITRAN) 70-3000 K range. The resulting absolute transition strengths have been used to calculate O abundances in the Sun, Arcturus, and two red giants in the Galactic open and globular clusters M67 and M71. Literature data based mainly on [O I] lines are available for the Sun and Arcturus, and excellent agreement is found.

AB - A new line list including positions and absolute transition strengths (in the form of Einstein A values and oscillator strengths) has been produced for the OH ground X 2 Π state rovibrational (Meinel system) and pure rotational transitions. All possible transitions are included with v ′ and v ″ up to 13, and J up to between 9.5 and 59.5, depending on the band. An updated fit to determine molecular constants has been performed, which includes some new rotational data and a simultaneous fitting of all molecular constants. The absolute transition strengths are based on a new dipole moment function, which is a combination of two high level ab initio calculations. The calculations show good agreement with an experimental v=1 lifetime, experimental μ v values, and Δv=2 line intensity ratios from an observed spectrum. To achieve this good agreement, an alteration in the method of converting matrix elements from Hund's case (b) to (a) was made. Partitions sums have been calculated using the new energy levels, for the temperature range 5-6000 K, which extends the previously available (in HITRAN) 70-3000 K range. The resulting absolute transition strengths have been used to calculate O abundances in the Sun, Arcturus, and two red giants in the Galactic open and globular clusters M67 and M71. Literature data based mainly on [O I] lines are available for the Sun and Arcturus, and excellent agreement is found.

KW - OH hydroxyl radical

KW - Line intensities

KW - Einstein A values

KW - Dipole moment function

KW - Meinel system

KW - Line lists

U2 - 10.1016/j.jqsrt.2015.07.021

DO - 10.1016/j.jqsrt.2015.07.021

M3 - Article

VL - 168

SP - 142

EP - 157

JO - Journal of Quantitative Spectroscopy and Radiative Transfer

JF - Journal of Quantitative Spectroscopy and Radiative Transfer

SN - 0022-4073

ER -