Systematics in metallicity gradient measurements. I. Angular resolution, signal to noise, and annular binning

Yuan, TiantianKewley, LisaRich, J.2015-12-130004-637Xhttp://hdl.handle.net/1885/72466With the rapid progress in metallicity gradient studies at high redshift, it is imperative that we thoroughly understand the systematics in these measurements. This work investigates how the [N II]/Hα-ratio-based metallicity gradients change with angularAuthor/s retain copyrightKeywords: galaxies: abundances; galaxies: evolution; galaxies: high-redshift; gravitational lensing: strongSystematics in metallicity gradient measurements. I. Angular resolution, signal to noise, and annular binning201310.1088/0004-637X/767/2/1062016-02-24