Strong gravitational lensing data from early-type galaxies and Abell 1689 constrain three sign-changeable dark-sector interaction models, yielding negative interaction strengths larger in magnitude than prior probes and an acceleration transition at z_t ~1.8-2.1.
Science , year = 2010, volume = 329, pages =
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The authors measure source redshifts between 1.675 and 3.332 for six strong lens systems using Keck NIRES and DESI spectroscopy, completing redshift data for these AI-discovered lenses.
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Study of dark interactions through strong gravitational lenses
Strong gravitational lensing data from early-type galaxies and Abell 1689 constrain three sign-changeable dark-sector interaction models, yielding negative interaction strengths larger in magnitude than prior probes and an acceleration transition at z_t ~1.8-2.1.
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DESI Strong Lens Foundry III: Keck Spectroscopy for Strong Lenses Discovered Using Residual Neural Networks
The authors measure source redshifts between 1.675 and 3.332 for six strong lens systems using Keck NIRES and DESI spectroscopy, completing redshift data for these AI-discovered lenses.