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

Yuan, Tiantian; Kewley, Lisa; Rich, J.

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

Date

2013

Authors

Yuan, Tiantian

Kewley, Lisa

Rich, J.

Publisher

IOP Publishing

Abstract

With 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 angular