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High-precision Near-infrared Abundances of Solar Analogs in the YJ Bands

  • Authors: Noriyuki Matsunaga, Takuji Tsujimoto, Daisuke Taniguchi, Hiroaki Sameshima, Shogo Otsubo, Tomomi Takeuchi, Yuki Sarugaku, Ilaria Petralia, Scarlet Elgueta, Matilde Coello-Guzmán, Kei Fukue, Yuji Ikeda, Hideyo Kawakita, Valentina D'Orazi, Giuseppe Bono

Noriyuki Matsunaga et al 2026 The Astrophysical Journal Supplement Series 284 .

  • Provider: AAS Journals

Caption: Figure 2.

Distributions of per-line zero-point offsets Δline and half-widths σline for candidate lines taken from VALD (blue) and those from MB99 (orange). Left panel: histograms of Δline. Center panel: histograms of σline. Right panel: ∣Δline∣ vs. σline. Most lines cluster around small offsets and narrow widths, while several lines were rejected due to large offsets (∣Δline∣ > 0.5) or half-widths (σline > 0.25).

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