Výsledky vyhledávání - "Anne P. Thorne"

Accurate atomic data for Galactic Surveys

Autor: Christian Clear, Juliet C. Pickering, M. T. Belmonte, Anne P. Thorne, Florence Liggings

Publikováno v: Proceedings of the International Astronomical Union. 12:203-205

Fourier Transform spectroscopy is able to provide high accuracy atomic parameters needed by many ongoing galactic surveys. Our laboratory has carried out a study of the neutral iron spectrum over the last years to measure oscillator strengths much ne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49198cf9b1630ceec7993338d55f283a
https://doi.org/10.1017/s1743921317006184

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High resolution Fourier transform spectrometry of astrophysically important elements from IR to VUV

Autor: Anne P. Thorne, Juliet C. Pickering, Christian Clear, Florence Liggins, M. T. Belmonte

Publikováno v: Light, Energy and the Environment.

Modern astronomical spectrographs continue to require accurate high resolution atomic data for interpretation of many astrophysical spectra. The Imperial College London laboratory astrophysics program using high resolution Fourier Transform spectrome

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e3808accddef3e133c8bb669ded2eeb3
https://doi.org/10.1364/fts.2016.fw3d.5

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Laboratory measurements of oscillator strengths and their astrophysical applications1This review is part of a Special Issue on the 10th International Colloquium on Atomic Spectra and Oscillator Strengths for Astrophysical and Laboratory Plasmas

Autor: M. P. Ruffoni, Charlotte Holmes, Juliet C. Pickering, Richard Blackwell-Whitehead, Anne P. Thorne

Publikováno v: Canadian Journal of Physics. 89:387-393

We present an overview of current needs for accurate laboratory atomic transition probabilities (log(gf)) for astrophysical applications, particularly for iron group element spectra in the IR, optical, UV, and VUV spectral regions. Examples are given

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a84ed418d74160503b2a72ea60c3fd2
https://doi.org/10.1139/p11-044

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Application of a VUV Fourier transform spectrometer and synchrotron radiation source to measurements of. VI. The ε(0,0) band of NO

Autor: T. Imajo, D. H-Y. Lo, T. Matsui, Anne P. Thorne, A. L. Wong, K. W-S. Leung, Kenji Ito, A. S-C. Cheung, J. E. Murray, Kouichi Yoshino

Publikováno v: The Journal of Chemical Physics. 119:8373-8378

The e(0,0) (D 2Σ+–X 2Πr) band of NO has been recorded by using a vacuum ultraviolet Fourier transform spectrometer from Imperial College, London, with synchrotron radiation at the Photon Factory, KEK, Japan, as a continuum light source. Analysis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b347d81358da9d0acc0f7fad23742f56
https://doi.org/10.1063/1.1611171

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High resolution absorption cross-section measurements of the Schumann–Runge bands of O2 by VUV Fourier transform spectroscopy

Autor: J. E. Murray, K. W. S. Leung, W. H. Parkinson, A.S.-C. Cheung, T. Matsui, Kouichi Yoshino, Takashi Imajo, Anne P. Thorne, Kenji Ito

Publikováno v: Journal of Molecular Spectroscopy. 219:45-57

The photoabsorption spectrum of the O 2 Schumann–Runge bands was measured with resolution comparable to the Doppler widths by using the VUV Fourier transform spectrometer from Imperial College, London, combined with synchrotron radiation as a conti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb485cdd039ab0f20a33de135c623562
https://doi.org/10.1016/s0022-2852(03)00009-2

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Accurate laboratory wavelengths of some ultraviolet lines of Cr, Zn and Ni relevant to time variations of the fine structure constant

Autor: J. E. Murray, Sveneric Johansson, John K. Webb, Juliet C. Pickering, Anne P. Thorne, Ulf Litzén, V. Zilio

Publikováno v: Monthly Notices of the Royal Astronomical Society. 319:163-167

The quality of astronomical spectroscopic data now available is so high that interpretation and analysis are often limited by the uncertainties of the laboratory data base. In particular, the limit with which space–time variations in the fine struc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3853e8ed9c25e1965fb2a096f36a1f4
https://doi.org/10.1046/j.1365-8711.2000.03808.x

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Into the vacuum ultraviolet

Autor: Anne P. Thorne

Publikováno v: Nature Photonics. 5:131-133

Scientists have realized a Fourier-transform spectroscopy scheme based on a wavefront-division scanning interferometer that operates down to wavelengths as short as 40 nm, benefitting studies of gas-phase atomic and molecular electronic structures ov

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e9a3a836e3ef1f19c2a68d49f3786684
https://doi.org/10.1038/nphoton.2011.20

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Oscillator Strengths of Transitions in Ti ii in the Visible and Ultraviolet regions

Autor: R. Perez, Juliet C. Pickering, Anne P. Thorne

Publikováno v: The Astrophysical Journal Supplement Series. 132:403-409

The relative intensities of 694 emission lines of Ti II between 187 and 602 nm from 89 levels have been measured by high-resolution Fourier transform spectrometry, using a hollow cathode lamp as light source. The spectral response function of the ins

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::898023801812b833b09e38ee7a4c9ebb
https://doi.org/10.1086/318958

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