Determination of the physical parameters of gas in the neutral atmospheres of comets: The circular aperture method

A new method—the circular aperture method—is proposed for determining the physical parameters of gas in the neutral atmospheres of comets. A check has shown that this method is applicable to calculate the hydrodynamic velocity of gas outflow and the lifetime of molecules in the neutral atmosphere of...

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Bibliographic Details
Published in:Kinematics and physics of celestial bodies 2013-11, Vol.29 (6), p.285-290
Main Authors: Kravtsov, F. I., Luk’yanyk, I. V.
Format: Article
Language:English
Subjects:
Aperture
Astronomy
Atmosphere
Comets
Dynamics and Physics of Bodies of the Solar System
Gases
Observations and Techniques
Physics
Physics and Astronomy
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Summary:A new method—the circular aperture method—is proposed for determining the physical parameters of gas in the neutral atmospheres of comets. A check has shown that this method is applicable to calculate the hydrodynamic velocity of gas outflow and the lifetime of molecules in the neutral atmosphere of comet 2009/P1 (Garradd).
ISSN:0884-5913
1934-8401
DOI:10.3103/S0884591313060032