Data Sources

• Mean Opacities can be provided for hydrogen-rich, molecule dominated gases.
  • Rosseland and Planck mean gas-phase opacity tables from Helling & Lucas (2009)
  • ReadMe for content and structure of data files
  • Mean Opacity Tables for [M/H]'=-2.0 (tar-file, unzip with -xvzf)
  • Mean Opacity Tables for [M/H]'=-3.0 (tar-file)
  • Mean Opacity Tables for [M/H]'=-4.0 (tar-file)
  • Mean Opacity Tables for [M/H]'=-5.0 (tar-file)
  • The means are based on a data collection from the Copenhagen SCAN data base and the HITRAN data base.
  • Mean opacities have been calcualed for
    AGB stars (Helling et al. 2000),
    planetary atmospheres (Frakis 2001),
    protoplanetary disks (Semenov et al. 2003),
    planetary and stellar evolution (Helling & Lucas 2009)

  • Literature:
    Helling & Lucas 2008 (MNRAS, accepted, on astroph)
    Semenov, Henning, Helling, Ilgner, Sedlmayr 2003, A&A 410, 611
    Helling, Winters, Sedlmay 2000, A&A 358, 651-664
    Schnabel (2001) - Master Thesis, TU Berlin, Germany
    Helling (1999) - PhD Theses, TU Berlin, Germany
    
• Observed molecules in the ISM, comets, planetary atmospheres (except the Earth), as well as several other molecules, not yet detected, but which are believed to be of astrophysical importance:
  CONSTANTS FOR MOLECULES OF ASTROPHYSICAL INTEREST IN THE GAS PHASE: PHOTODISSOCIATION, MICROWAVE AND INFRARED SPECTRA.
  by Jacques Crovisier (Observatoire de Paris-Meudon)
• Tables of Optical Constants
  (Astrophysical Institute, University Jena)