Speckle imaging of 81 RR Lyrae stars detects 10 likely bound companions at 20-220 AU separations, yielding a binary fraction estimate above 12 percent.
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9 Pith papers cite this work. Polarity classification is still indexing.
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Case C mass transfer in binaries with 10-20 solar mass donors naturally produces the dense, nearby CSM required to power interacting supernovae and may account for 13 percent of core-collapse progenitors.
New envelope binding energies derived from PARSEC stellar tracks alter compact binary merger rate densities by over an order of magnitude when used in population synthesis.
Viscous evolution models show circumbinary discs from binary mass transfer reach 0.07-0.20 solar masses and can explain dense CSM around fast-evolving Type Ibc SNe and FBOTs.
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.
Late-time radio observations of Type IIn and II-L supernovae show a range of CSM densities and mass-loss rates, with detections supporting a continuum between subtypes driven by recent dense material rather than long-term mass loss.
Photometric study identifies 137 PMS stars with median accretion rate 8.0×10^{-9} M⊙/yr in the NGC 346 periphery, showing correlation between accretion properties and distance to hot massive stars.
Resolving the inner few AU in protostellar disk simulations yields complete tidal disruption of migrating fragments and shorter, sharper accretion outbursts than coarser 30 AU models.
Rotating stellar models initialized with observed velocity distributions yield modestly lower initial mass estimates for SN II progenitors than non-rotating models, with an upper limit of 20.4 solar masses.
citing papers explorer
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Finding the elusive RR Lyrae companions via speckle imaging
Speckle imaging of 81 RR Lyrae stars detects 10 likely bound companions at 20-220 AU separations, yielding a binary fraction estimate above 12 percent.
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Interacting Binary Stars as Progenitors for Interacting Supernovae
Case C mass transfer in binaries with 10-20 solar mass donors naturally produces the dense, nearby CSM required to power interacting supernovae and may account for 13 percent of core-collapse progenitors.
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The impact of envelope binding energies on the merger rate density of binary compact objects
New envelope binding energies derived from PARSEC stellar tracks alter compact binary merger rate densities by over an order of magnitude when used in population synthesis.
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Circumbinary Discs as the Origin of Circumstellar Material around Interacting H-poor Supernovae and Fast Blue Optical Transients
Viscous evolution models show circumbinary discs from binary mass transfer reach 0.07-0.20 solar masses and can explain dense CSM around fast-evolving Type Ibc SNe and FBOTs.
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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.
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Probing the Mass-loss Histories of Type IIn and II-L Supernovae with Late-time Radio Observations
Late-time radio observations of Type IIn and II-L supernovae show a range of CSM densities and mass-loss rates, with detections supporting a continuum between subtypes driven by recent dense material rather than long-term mass loss.
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Photometric determination of the mass accretion rates of pre-main sequence stars. IX. Recent star formation in the periphery of NGC 346
Photometric study identifies 137 PMS stars with median accretion rate 8.0×10^{-9} M⊙/yr in the NGC 346 periphery, showing correlation between accretion properties and distance to hot massive stars.
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From Fragments to Flares: Migration, Tidal Disruption, and Observable Bursts in Massive Protostellar Disks
Resolving the inner few AU in protostellar disk simulations yields complete tidal disruption of migrating fragments and shorter, sharper accretion outbursts than coarser 30 AU models.
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Impact of stellar rotation on type II supernova progenitor masses from pre-explosion imaging
Rotating stellar models initialized with observed velocity distributions yield modestly lower initial mass estimates for SN II progenitors than non-rotating models, with an upper limit of 20.4 solar masses.