Modeling of an abiotic atmosphere of a telluric planet: Application to extrasolar planets

被引：0
|
作者：
Selsis, F [1 ]
Parisot, JP [1 ]
Dobrijevic, M [1 ]
机构：
[1] Observ Bordeaux, CNRS, URA 352, F-33270 Floirac, France
来源：
BROWN DWARFS AND EXTRASOLAR PLANETS | 1998年 / 134卷
关键词：
D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A photochemical model is developed in order to compute the chemical evolution of a primitive atmosphere (CO2,N-2 and H2O) under different stellar irradiations. The abiotic synthesis of O-2 and O-3 is initiated by the photolysis of CO2 and H2O. The amount of oxygen produced by this way is closely related with the stellar spectrum. We discuss the possible presence of O-2 in an abiotic atmosphere and its consequence on the meaning of the detection of O-2 or O-3 in the atmosphere of an extrasolar planet.
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页码：459 / 462
页数：4
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