Wavelength Shifts in the Solar Photospheric Spectrum
Wavelength shifts converted to velocities between solar lines observed at disc center and laboratory wavelengths of Fei, Feii, Tii, Nii, and Fei lines in the near infrared are plotted as a function of the logarithm of their solar equivalent width in milliångstroms. The need for wavelengths based on...
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Veröffentlicht in: | Solar physics 2000-09, Vol.196 (1), p.41-50 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Wavelength shifts converted to velocities between solar lines observed at disc center and laboratory wavelengths of Fei, Feii, Tii, Nii, and Fei lines in the near infrared are plotted as a function of the logarithm of their solar equivalent width in milliångstroms. The need for wavelengths based on the wavelength standards is stressed. A comparison of photographic Fei solar wavelength is shown to agree, on the average, with Fourier Transform Spectrometer solar wavelengths within less than 0.5 milliångstroms. Using Balthasar's limb effect tables we convert the disc center velocities to limb velocities and find, though the scatter is large, that there is little evidence for a super-gravitational red shift.[PUBLICATION ABSTRACT] |
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ISSN: | 0038-0938 1573-093X |
DOI: | 10.1023/A:1005276127343 |