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Optimizing Ground-based Observations of O2 in Earth Analogs

  • Authors: Mercedes López-Morales, Sagi Ben-Ami, Gonzalo Gonzalez-Abad, Juliana García-Mejía, Jeremy Dietrich, and Andrew Szentgyorgyi

2019 The Astronomical Journal 158 24.

  • Provider: AAS Journals

Caption: Figure 4.

Number of transits needed to reach a 3σ detection using only the O2 A-band (solid lines) vs. combining the A, B, and NIR bands (dashed lines). Blue is for a M4V host star. Black is for a M1V host star. The top panel only includes white noise. The bottom panel includes 20% red noise in the optical bands and 50% in the NIR band.

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