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Exoplanet Science Strategy (2018) / Chapter Skim
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Appendix D: Biosignature Table
Pages 155-157

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From page 155...
... Indicates presence of O2 sink.c 1.4, 1.7 May be disequilibrium pair with CO2.d CO2 0.14, 1.05, 1.21, 2.01, 2.75 4.3 (strong) 9.4, 10.4, False positive indicator, especially in 1.32, 1.44, 1.6 15 combination with CO -- ongoing CO2 photolysis.e CO 1.6 2.35 4.65 False positive indicator, especially in combination with CO2 -- ongoing CO2 photolysis.e 155
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From page 156...
... Volkamer, Temperature dependent absorption cross-sections of O2-O2 collision pairs between 340 and 630 nm and at atmospherically relevant pressure, Physical Chemistry Chemical Physics 15:15371, 2013.
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From page 157...
... , op cit.; Robinson (2010)
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Key Terms

  • false positive
  • journal letters
  • positive indicator
  • spectral features
  • atmospheric seasonality

  • radiative transfer
  • molecular band
  • quantitative spectroscopy
  • sion pairs
  • astronomical union

  • exoplanet life
  • extrasolar planets
  • using collisional
  • prebiotic earth
  • band wavelengths

  • temperature dependent
  • dwarf exoplanets
  • dependent absorption
  • chemical thermodynamic
  • international astronomical

  • habitable planets
  • planetary science
  • spectroscopic database
  • glint effect
  • water earths

  • disequilibrium biosignatures
  • geophysical research
  • earth organisms
  • science review
  • oxygen contents


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