The Metallicity Evolution of Star-forming Galaxies from Redshift 0 to 3: Combining Magnitude-limited Survey with Gravitational Lensing

摘要: We present a comprehensive observational study of the gas-phase metallicity star-forming galaxies from z {approx} 0 {yields} 3. combine our new sample gravitationally lensed with existing and non-lensed samples to conduct large investigation into mass-metallicity (MZ) relation at > 1. apply self-consistent calibration scheme investigate evolution as function redshift. The lensing magnification ensures that spans an unprecedented range stellar mass (3 Multiplication-Sign 10{sup 7} 6 10} M {sub Sun }). find median redshift = 2.07, is 0.35 dex lower than local SDSS 0.18 0.8 DEEP2 galaxies. also 2 MZ using 19 A more rapid seen between 1 3 for high-mass (10{sup 9.5} Sun} < *} 11} }), almost twice much enrichment zmore » 0. compare this most recent cosmological hydrodynamic simulations momentum-driven winds. model consistent observed within error low-mass bins. However, higher masses, overpredicts all redshifts. overprediction significant in highest bin 10}-10{sup }.« less