HD 14134 is a post-main-sequence blue supergiant with a 19.2-day g-mode pulsation and wind variability that may dominate its TESS brightness changes, questioning its alpha Cyg variable classification.
XTgrid Live: Online spectral analyses with Tlusty models
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abstract
Non-LTE model atmospheres are in the forefront of quantitative spectral analyses of early type stars. Yet, such models are barely used in large surveys or even for individual systems. The major reason for this is likely the extreme calculation requirements to construct such physically realistic models. To relieve this, we have developed a web-service for the spectral analysis program {\sc XTgrid}, which is meant to be a handy interface to {\sc Tlusty}. Having the procedure available from a web browser makes spectral analyses a routine.
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Characterization of the variability of the blue supergiant HD 14134
HD 14134 is a post-main-sequence blue supergiant with a 19.2-day g-mode pulsation and wind variability that may dominate its TESS brightness changes, questioning its alpha Cyg variable classification.