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First Results from WINERED: Detection of Emission Lines from Neutral Iron and a Combined Set of Trace Species on the Dayside of WASP-189 b

  • Authors: Lennart van Sluijs, Emily Rauscher, Eliza M.-R. Kempton, Thomas Kennedy, Isaac Malsky, Noriyuki Matsunaga, Michael Meyer, Andrew McWilliam, John D. Monnier, Shogo Otsubo, Yuki Sarugaku, Tomomi Takeuchi

Lennart van Sluijs et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 3.

Signal-to-noise ratio per frame pair. Triangles pointing to the left indicate frame pairs observed during the first night, and crosses mark the second night. Blue and magenta colors indicate homogeneous pairs, whereas red and green colors indicates heterogeneous combinations. A clear pattern emerges, where the average S/N is higher for homogeneous pairs. We prefer a more stable S/N because our postprocessing algorithm can more easily remove quasi-stationary components.

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