Far-UV spectroscopy of two hot subdwarfs reveals extreme heavy-element enrichments with patterns matching i-process nucleosynthesis, indicating self-enrichment rather than diffusion.
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MIST provides a new publicly available grid of solar-scaled stellar isochrones and evolutionary tracks computed self-consistently with MESA from pre-main sequence through advanced stages for masses 0.1-300 solar masses and metallicities -2 to 0.5.
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Evidence for neutron capture in heavy-metal hot subdwarfs: Far-UV spectroscopy of EC22536-5304 and LSIV-14 116
Far-UV spectroscopy of two hot subdwarfs reveals extreme heavy-element enrichments with patterns matching i-process nucleosynthesis, indicating self-enrichment rather than diffusion.
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MESA Isochrones and Stellar Tracks (MIST). I: Solar-Scaled Models
MIST provides a new publicly available grid of solar-scaled stellar isochrones and evolutionary tracks computed self-consistently with MESA from pre-main sequence through advanced stages for masses 0.1-300 solar masses and metallicities -2 to 0.5.