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Cometary Brightness Variations and Conditions in Interplanetary Space

Published online by Cambridge University Press:  14 August 2015

D. A. Andrienko ,
A. A. Demenko ,
I. M. Demenko  and
I. D. Zosimovich
D. A. Andrienko
Affiliation:
Department of Astronomy, Kiev University, Kiev, U.S.S.R.
A. A. Demenko
Affiliation:
Department of Astronomy, Kiev University, Kiev, U.S.S.R.
I. M. Demenko
Affiliation:
Department of Astronomy, Kiev University, Kiev, U.S.S.R.
I. D. Zosimovich
Affiliation:
Department of Astronomy, Kiev University, Kiev, U.S.S.R.

Abstract

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The study of cometary brightness variations can be a good method for determining conditions in interplanetary space. In this work we compare the light curves of comets with curves showing variations in the geomagnetic field at times when the comets are near the ecliptic plane. We have used photometric observations made of 29 comets between 1881 and 1937. It is shown that an increase in the brightness of a comet is associated with an increase in the geomagnetic activity index and consequently with the influence of the solar corpuscular streams and solar wind.

Type
Part I/Observations and Ephemerides
Information
Symposium - International Astronomical Union , Volume 45: The Motion, Evolution of Orbits and Origin of Comets , 1972 , pp. 16 - 21
Copyright
Copyright © Reidel 1972 

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