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Monthly Notices of the Royal Astronomical Society, vol.523, no.2, pp.2440-2452, 2023 (SCI-Expanded, Scopus)
Main-sequence bolometric corrections (BC) and a standard BC-Teff relation are produced for TESS wavelengths using published physical parameters and light ratios from SED models of 209 detached double-lined eclipsing binaries. This and previous five-band (Johnson B, V, Gaia G, GBP, GRP) standard BC-Teff relations are tested by recovering luminosity (L) of the most accurate 341 single host stars (281 MS, 40 subgiants, 19 giants, and one pre-main-sequence). Recovered L of photometry are compared to L from published R and Teff. A very high correlation (R2 = 0.9983) is achieved for this mixed sample. Error histograms of recovered and calculated L show peaks at ∼2 and ∼4 per cent, respectively. The recovered L and the published Teff were then used in to predict the standard R of the host stars. Comparison between the predicted and published R of all luminosity classes are found successful with a negligible offset associated with the giants and subgiants. The peak of the predicted R errors is found at 2 per cent, which is equivalent to the peak of the published R errors. Thus, a main-sequence BC-Teff relation could be used in predicting both L and R of a single star at any luminosity class, but this does not mean BC-Teff relations of all luminosity classes are the same because luminosity information could be more constrained by star's apparent magnitude ζ than its BC since mBol = ζ + BCζ.