Molecules in the Stellar Environment

This volume gives an excellent survey of our present knowledge of molecular processes in stellar and proto-stellar objects. It contains reviews of observational data, theoretical concepts and computer supported modelling.

Inhalt
Stellar photospheres and molecules A view from the bridge.- Dominating molecules in the photospheres of cool stars.- Opacity problems in cool low mass stars.- Molecular opacities in cool dwarf stars.- White dwarfs.- Astrophysical applications of approximate methods for molecular opacities from stars to substellar brown dwarfs.- Infrared spectroscopy and molecules in circumstellar envelopes.- Molecular abundances in the envelopes around evolved stars.- Polvynes and polycyclic aromatic molecules in c-rich circumstellar envelopes.- Improvements in the computation of grain opacity.- From molecules to grains.- Opacity problems in protostellar objects.- Molecules in the sun and molecular data.- Pressure-induced molecular absorption in stellar atmospheres.- Continuous molecular opacities and photodissociation.- Effects of non-local thermodynamic equilibrium (NLTE) on molecular opacities.- Dissociation energies and partition functions of small molecules.- Atomic opacities.- Computation of the absorption coefficient for diatomic molecules.- Computation of opacities for diatomic molecules.- Computation of frequencies and linestrengths for triatomic molecules of astronomical interest.- Computational approaches to determining accurate band strengths.- Ab initio calculations of absorption coefficients of small carbon hydride molecules.- The RASSCF, RASSI, and CASPT2 methods used on small molecules of astrophysical interest.- The MORBID method.- Experimental measurement of weak band intensities.- Oscillator strengths and excited state lifetimes in metallic hydrides and oxides.- The berkeley program on molecules of astrophysical interest.- Production, detection and study in the infrared of unstable molecules and radicals.- Laboratory millimeter wave spectroscopy of smallreactive species.- Table of contents for Poster session proceedings of IAU Colloquium 146: Molecular opacities in the stellar environment.