Figure 2 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 2.

Section of the FEROS Ganymede spectrum used as a solar template. The thin line shows the spectrum at its original resolution (R ~ 48,000) and the thick line represents the version that was degraded to the MARVELS resolution (R ~ 12,000). The most prominent individual lines are identified by their chemical species. Three spectral indices dominated by neutral iron-peak species and their respective wavelength intervals are shown as examples of the selection procedure. The other indices are distributed throughout the full wavelength range used in the analysis (5100–5590 Å).

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