Figure 5 from Accurate Atmospheric Parameters at Moderate Resolution Using Spectral Indices: Preliminary Application to the MARVELS Survey

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Accurate Atmospheric Parameters at Moderate Resolution Using Spectral Indices: Preliminary Application to the MARVELS Survey

Authors: Luan Ghezzi, Letícia Dutra-Ferreira, Diego Lorenzo-Oliveira, Gustavo F. Porto de Mello, Basílio X. Santiago, Nathan De Lee, Brian L. Lee, Luiz N. da Costa, Marcio A. G. Maia, Ricardo L. C. Ogando, John P. Wisniewski, Jonay I. González Hernández, Keivan G. Stassun, Scott W. Fleming, Donald P. Schneider, Suvrath Mahadevan, Phillip Cargile, Jian Ge, Joshua Pepper, Ji Wang, and Martin Paegert

Ghezzi et al. 2014 The Astronomical Journal 148 105.

Provider: AAS Journals

Caption: Figure 5.

Measured equivalent widths of index 38 (see Table 3) as a function of the atmospheric parameters. The left, middle, and right columns show the dependencies with T_eff, [Fe/H], and log g, respectively. In the upper, middle, and lower rows, the points are color-coded according to their effective temperatures, metallicities, and surface gravities, respectively. The EWs exhibit significant correlations with T_eff and [Fe/H], but no visible dependency on log g is observed.

(A color version and supplemental data of this figure are available in the online journal.)

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