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Resolving gas-phase metallicity gradients of 0.1 ≲ z ≲ 0.8 galaxies
Published online by Cambridge University Press: 03 March 2020
Abstract
We present gas-phase metallicity gradients of 84 star-forming galaxies between 0.08 < z < 0.84. Using the galaxies with reliably determined metallicity gradients, we measure the median metallicity gradient to be negative ( $\[ - 0.039_{ - 0.009}^{ + 0.007}{\kern 1pt} dex/kpc\]$ ). Underlying this, however, is significant scatter: (8 ± 3)% [7] of galaxies have significantly positive metallicity gradients, (38 ± 5)% [32] have significantly negative gradients, (31 ± 5)% [26] have gradients consistent with being flat. (The remaining (23 ± 5)% [19] have unreliable gradient estimates.)
- Type
- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 14 , Symposium A30: Astronomy in Focus XXX , August 2018 , pp. 271 - 272
- Copyright
- © International Astronomical Union 2020