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The interstellar chemistry of protostellar disks (1995)

Charnley, S. B.

Springer

Astrophysics and space science 224 (1995), S. 441-442

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ISSN: 1572-946X

Keywords: ISM: molecules ; solar system: formation

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract A study has been undertaken of the gas-grain chemistry of protostellar disks which are sufficiently cool that in the outer regions, where the gas density is less than ∼ 1013 cm−3 and the ionization rate highest, a bimolecular chemistry resembling that of dark clouds can occur. Since the gas-grain collision rate is so high, outgassing mantle molecules effectively determine the gas phase composition at any position in the disk. In contrast to previous work, a detailed gas phase chemistry is considered along with the accretion and desorption of mantle species which is controlled locally by the dust temperature.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00667895

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