Using Sulfur as metallicity tracer in galaxies
\'Angeles I. D\'iaz
TL;DR
This paper reviews methods for using sulfur as a metallicity tracer in galaxies, highlighting its advantages and calibration techniques, enabling more extensive and accurate abundance analyses across different galaxy environments.
Contribution
It provides a comprehensive review of sulfur-based metallicity measurement methods and calibration procedures, expanding the tools available for galaxy chemical composition studies.
Findings
Sulfur allows for metallicity measurements up to five times solar.
The S23 parameter is a key empirical calibration tool.
Spectral analysis in the red to near-infrared range is effective for abundance analysis.
Abstract
We review the present methodology for the use of Sulfur as global metallicity tracer in galaxies, which allows performing a complete abundance analysis using mainly the red to near infrared spectral region, and extending the range of directly derived abundances up to 5 times the S solar photospheric value. The empirical calibration of Sulfur via the S23 parameter is also reviewed.
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Taxonomy
TopicsAstronomy and Astrophysical Research · Adaptive optics and wavefront sensing · Calibration and Measurement Techniques