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This article has an erratum: [https://doi.org/10.1051/0004-6361/201527392e]


Fig. 6

image

Fraction of inconclusive spectra (i.e., 1−ϵspect(g)) as a function of observed g magnitude. The curve is an empirical fit to the data by a hyperbolic tangent. The ~1% loss at bright magnitudes is an artifact of the current pipeline. The increase at faint magnitudes is compatible with previous estimates.

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