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emission line

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emission line

In astronomy, bright line in the spectrum of a luminous object caused by atoms or molecules emitting light at sharply defined wavelengths.



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? Mentioned in ? References in periodicals archive
 
Spectral tables for four cosmically abundant elements (Ne, Mg, Si, and S) in the wavelength region of interest for the Chandra X-Ray Observatory, which is roughly 2 nm to 17 nm, have been critically compiled with partial support from the Chandra Emission Line Project.
Data available on atomic spectral tables for the Chandra X-Ray ... by Journal of Research of the National Institute of Standards and Technology
By measuring the width of the magnesium-ion emission line, Chris Willott of the Herzberg Institute of Astrophysics in Victoria, Canada, and his colleagues deduced the disk's velocity, enabling them to calculate the black hole's mass.
A black hole that goes the distance. (Astronomy) by Science News
It is well recognized that the peak height of an x-ray emission line measured with a wavelength dispersive spectrometer (WDS) is a sufficient approximation for quantitative microanalysis on a routine basis using an Electron Probe Micro Analyzer (EPMA).
Decomposition of wavelength dispersive X-Ray spectra by Roques-Carmes, Claude / Journal of Research of the National Institute of Standards and Technology
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