High-Resolution Fourier-Transform Study of the b1Σ+ → X3Σ− and a1Δ → X3Σ− Transitions of SO

Setzer, K.D.; Fink, E.H.; Ramsay, D. A.

doi:10.1006/jmsp.1999.7943

Cited by 33 publications

(31 citation statements)

References 20 publications

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“…Analysis of the NIRSPEC 1 data taken on 25th March 2003, failed to detect the 0.97 µm band, (Setzer et al 1999), due to contamination by reflected sunlight from Jupiter. High spectral resolution data taken in July 2000, also failed to resolve the 1.7µm band.…”

Section: Resultsmentioning

confidence: 99%

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Temporal behavior of the SO 1.707 μm ro-vibronic emission band in Io's atmosphere

Laver¹,

Pater²,

Roe³

et al. 2007

Icarus

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We report observations of the ro-vibronic a 1 ∆ → X 3 Σ − transition of SO at 1.707 µm on Io. These data were taken while Io was eclipsed by Jupiter, on four nights between July 2000 and March 2003. We analyze these results in conjunction with a previously published night to investigate the temporal behavior of these emissions. The observations were all conducted using the near-infrared spectrometer NIRSPEC on the W.M. Keck II telescope. The integrated emitted intensity for this band varies from 0.8 x 10 27 to 2.4 x 10 27 photons/sec, with a possible link to variations in Loki's infrared brightness. The band-shapes imply rotational temperatures of 550-1000K for the emitting gas, lending further evidence to a volcanic origin for sulfur monoxide. An attempt to detect the B 1 Σ → X 3 Σ − transition of SO at 0.97 µm was unsuccessful; simultaneous detection with the 1.707 µm band would permit determination of the SO column abundance.

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Section: Resultsmentioning

confidence: 99%

“…The high resolution spectrum of this transition at 322K from Setzer et al (1999) is shown in Fig. 3(a).…”

Section: Rotational Temperaturementioning

confidence: 99%

Temporal behavior of the SO 1.707 μm ro-vibronic emission band in Io's atmosphere

Laver¹,

Pater²,

Roe³

et al. 2007

Icarus

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show abstract

“…The a 1 state is a metastable excited state, with X 3 − as the ground state. A total of 225 rovibronic lines are known across the band, distributed over nine rotational branches (Setzer et al 1999). To show the similarity of our spectrum to the laboratory data, we convolved the laboratory data with a Gaussian with a full width at half maximum of 8.5 A ❛ (R = 2000 at 1.7 µm) and show the result (scaled to the observed peak intensity) as a red line overplotted in Fig.…”

Section: Calibration Scale and Hot-spot Temperature(s)mentioning

confidence: 98%

“…Such lines are only important at high temperatures. We calculated these positions by refitting the laboratory line positions of Setzer et al (1999) and using these new spectroscopic constants to predict line positions up to J = 65 in our model. Results for temperatures of 322, 1000, and 1500 K are superposed on the data.…”

Section: Emission Band Identification It Is Clear Frommentioning

confidence: 99%

“…2d we superpose a simulated spectrum on the data. We calculated the emission intensity of each rovibronic level using the rotational line-strength factors for a 1 → X 3 − as given by Bellary and Balasubramanian (1987) for O 2 (with σ = ρ = 0) and the wavenumbers for SO as measured by Setzer et al (1999). Since the laboratory data were taken at a temperature of 322 K, there are no line positions for J > 36.…”

Section: Emission Band Identification It Is Clear Frommentioning

confidence: 99%

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Detection of the Forbidden SO ??? Rovibronic Transition on Io at 1.7 ?m

Pater¹,

Roe

Graham

et al. 2002

Icarus

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High‐Resolution Fourier Transform Spectrometry of Gases

Guelachvili¹,

Picqué²

2001

Handbook of Vibrational Spectroscopy

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This article mainly focuses on the experimental aspects of high‐resolution Fourier transform spectroscopy (FTS) as applied to molecular gas studies. The main characteristics and peculiarities of Doppler‐limited vibrational spectroscopy of gases and some of the current trends in the technique are discussed using select examples. An introduction to the general appearance of high‐resolution absorption and emission Fourier transform (FT) spectra is given. The specific advantages of the two most common FT recording procedures: the fast‐scanning and the stepping‐mode approaches are discussed. Some of the important scientific results that may be obtained in high‐resolution vibrational spectrometry using FTS are reviewed. Finally, recent developments on selective modulations and time‐resolved FTS are presented. About 300 references (titles included) provide a comprehensive overview of the various aspects of the ongoing applications.

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High-Resolution Fourier-Transform Study of the b1Σ+ → X3Σ− and a1Δ → X3Σ− Transitions of SO

Cited by 33 publications

References 20 publications

Temporal behavior of the SO 1.707 μm ro-vibronic emission band in Io's atmosphere

Temporal behavior of the SO 1.707 μm ro-vibronic emission band in Io's atmosphere

Detection of the Forbidden SO ??? Rovibronic Transition on Io at 1.7 ?m

High‐Resolution Fourier Transform Spectrometry of Gases

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