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spectral line |
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spectral line
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? Mentioned in | ? References in periodicals archive | |
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In practice, specific calibration curves of peak widths as a function of wavelength must be obtained for emission lines belonging to the K, L, or M series since these lines of similar energy do not only exhibit shape changes but also have different peak widths [4]. In addition to pulsar observing, COBRA will be used for other online observations, for example methanol emission lines from astronomical objects. The wavelength calibration for a scanning instrument is the relation between the motor steps that determine the grating angle and the monochromator wavelength, and is determined typically from the emission lines of a Hg lamp. |
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