Figure 12 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 12.

Left column: differences between the atmospheric parameters from spectral indices and from the literature for the ELODIE test sample as a function of S/N pixel⁻¹. Right column: internal uncertainties of our method as a function of S/N pixel⁻¹. The panels, symbols, and lines have the same meaning as in Figure 10. Note, however, that the scales are different and no distinctions based on V magnitude are made. The differences between the two sets of atmospheric parameters and the internal uncertainties of the spectral indices method significantly increase for S/N < 200–250.

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