Synthetic spectra for O and B type subdwarf stars

Peter Nemeth , Roy {\O}stensen , Pier-Emmanuel Tremblay , Ivan Hubeny

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classification 🌌 astro-ph.SR

keywords starscalculatedgridspectrasyntheticanalysesatmospheresbroadening

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We present a grid of optical (3200--7200 \AA) synthetic spectra calculated with Tlusty/Synspec. The new NLTE model atmospheres include the most recent hydrogen Stark broadening profiles; were calculated in opacity sampling and limited to pure H/He composition. The grid covers the observed parameter space of (He-)sdB and (He-)sdO stars, therefore it is suitable for the homogeneous spectral analyses of such evolved stars.

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Synthetic spectra for O and B type subdwarf stars

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