Moderately accurate oscillator strengths from NBS intensities. II

Details Moderately accurate oscillator strengths from NBS intensities. II Moderately accurate oscillator strengths from NBS intensities. II

May 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.203..651c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 203, May 1983, p. 651-659.

Astronomy and Astrophysics

Astronomy

59

Atomic Spectra, Oscillator Strengths, Spectrum Analysis, Astronomical Spectroscopy, Least Squares Method, Line Spectra, Stellar Spectra

Scientific paper

Following Cowly's (1983) exploration of the NBS Monograph 145 intensity measurements' calibration, an investigation is undertaken of the problem posed by the single temperature for the copper arc light sources. The null hypothesis of a single temperature is contradicted by statistical arguments, and although evidence is found for a mild correction to the intensity scale, no indication is found for a drift of intensities with wavelength. The derivation of useful gf-values from Monograph 145 intensities for any spectrum in which there are enough accurate measurements for a calibration is further supported by the present findings. Such calibrations must be made individually for each spectrum, and predictions should not be extrapolated beyond calibration domains.

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