Asymmetric outgassing of short-periodic comets with respect to perihelion

The asymmetric model accounting for nongravitational effects is applied to improve orbits of a number of short-periodic comets that have shifts of maximum brightness with respect to their perihelions. Shifts of maximum gas productivity have been obtained for 20 short-periodic comets using photometri...

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Bibliographic Details
Published inSolar system research Vol. 45; no. 4; pp. 330 - 335
Main Authors Bondarenko, Yu. S., Medvedev, Yu. D.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.08.2011
Springer Nature B.V
Subjects
Astronomy
Astrophysics and Astroparticles
Astrophysics and Cosmology
Comets
Observations and Techniques
Orbits
Physics
Physics and Astronomy
Planetology
Solar System Research
Light Curve
Orbital Element
Maximum Brightness
Heliocentric Distance
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Summary:The asymmetric model accounting for nongravitational effects is applied to improve orbits of a number of short-periodic comets that have shifts of maximum brightness with respect to their perihelions. Shifts of maximum gas productivity have been obtained for 20 short-periodic comets using photometric and dynamic methods. When using the photometric method, the maximum gas productivity is supposed to coincide with the maximum brightness of the comet, while, in the dynamic approach, it is believed to correspond to the maximum nongravitational acceleration. An analysis and evaluation of the results have been carried out.
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ISSN:0038-0946
1608-3423
DOI:10.1134/S0038094611030014