Fig. 8 from Kinematic and Chemical Constraints on the Formation of M31’s Inner and Outer Halo

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Kinematic and Chemical Constraints on the Formation of M31’s Inner and Outer Halo

Authors: Andreas Koch, R. Michael Rich, David B. Reitzel, Nicolas F. Martin, Rodrigo A. Ibata, Scott C. Chapman, Steven R. Majewski, Masao Mori, Yeong-Shang Loh, James C. Ostheimer, and Mikito Tanaka

Koch et al. 2008 The Astrophysical Journal 689 958.

Provider: AAS Journals

Caption: Fig. 8.

Distribution of the relative error on the measured co‐added line strength lang ΣW rang , determined from Monte Carlo simulations, as a function of spectral quality. For our observed spectra, these values are propagated through eqs. [5] and [6] to obtain the spectroscopic metallicity uncertainty.

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