Constraining Background N₂ Inventories on Directly Imaged Terrestrial Exoplanets to Rule Out O₂ False Positives

Keyphrases

• Atmospheric Composition 100%
• Terrestrial Exoplanets 100%
• Integration Time 66%
• Terrestrial Planets 66%
• Direct Imaging 66%
• Background Gas 66%
• Space Telescope 33%
• Wavelength Range 33%
• Near-infrared 33%
• Sunlike 33%
• Signal-to-noise Ratio 33%
• Imaging Spectroscopy 33%
• Biological Processes 33%
• Spectral Signal 33%
• Imaging Analysis 33%
• Surface Pressure 33%
• Exoplanets 33%
• Spectral Resolution 33%
• Timing Calculations 33%
• Habitable Planets 33%
• Background Atmosphere 33%
• Biosignatures 33%
• Non-biological 33%
• Biosignature Gases 33%
• Atmospheric Retrievals 33%
• Cloud Properties 33%
• Earth Analogs 33%
• O2 Detection 33%
• Atmospheric O2 33%

Physics

• Planetary Atmosphere 100%
• Extrasolar Planet 100%
• Atmospherics 50%
• Terrestrial Planet 50%
• Atmospheric Composition 50%
• Near Infrared 25%
• Signal-to-Noise Ratio 25%
• Space Telescope 25%
• Biological Process 25%
• Habitable Planets 25%
• Earth Analog 25%