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Quantitative Spectroscopic Diagnostics for FU Orionis-type Young Stellar Objects

  • Authors: Evan R. Portnoi, Lynne A. Hillenbrand, Adolfo S. Carvalho

Evan R. Portnoi et al 2026 The Astrophysical Journal 1005 .

  • Provider: AAS Journals

Caption: Figure 14.

EWs of Sr II 1.03 μm and Si I 1.59 μm for stars in the IRTF Spectral Library showing two features affected by surface gravity. F, G, and K stars are denoted by dots while M stars are shown as crosses. Color represents luminosity class.

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