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spectral class
noun
A classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.
Exact(60)
When the solutions for solar motion are determined according to the spectral class of the stars, there is a correlation between the result and the spectral class.
Based on this notation, our Sun is a star of spectral class G2 and luminosity class V (main sequence).
On the diagram stars are ranked from bottom to top in order of decreasing magnitude (increasing brightness) and from right to left by increasing temperature (spectral class).
Hot Stars Massivee stars of spectral class earlier than type A (bluer stars like Vega) produce X-rays via shocks in stellar winds.
Based on [investigators'] photobleaching assay results, it is clear that photostability can be highly variable between different FPs, even those of the same spectral class.
Although all techniques are able to detect archaeological structures from Ikonos-2 imagery, none of them succeed in extracting features in a unique spectral class.
The spectral range is determined by detector spectral range and spectral class of stars.
According to spectral response of detector and star spectral class, chromatic aberration must be corrected.
The index is a transformation of the Bhatacharyya distance (Eq. 2) and applies to multivariate normal spectral class models.
Optimization process was performed for peak wavelengths of the selective APS detector (Fig. 3), being harmonized with the star spectral class.
Swain and Davis [22] recommend as a practical minimum that 10 L training pixels per spectral class be used, with as many as 100 L per class if possible.
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