Spectroscopic observations of six low-mass, metal-poor SLSN host galaxies reveal slow stellar-wind-driven outflows with velocities 37-104 km/s and mass-loading factors below 1 in the earliest phases of star formation.
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Rest-frame UV spectra of two z~8.7 galaxies reveal strong P-Cygni wind profiles and HeII emission best reproduced by stellar population models that include very massive stars, implying an IMF extending beyond 100 solar masses.
citing papers explorer
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Witnessing the onset of stellar winds in Super-Luminous Supernova Hosts: implications for star-formation-driven outflows in low and high-redshift galaxies
Spectroscopic observations of six low-mass, metal-poor SLSN host galaxies reveal slow stellar-wind-driven outflows with velocities 37-104 km/s and mass-loading factors below 1 in the earliest phases of star formation.
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Signatures of Very Massive Stars in the Epoch of Reionization
Rest-frame UV spectra of two z~8.7 galaxies reveal strong P-Cygni wind profiles and HeII emission best reproduced by stellar population models that include very massive stars, implying an IMF extending beyond 100 solar masses.