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Re: (meteorobs) Zenethal Attraction
>I am having trouble finding information on zenithal attraction. Can anyone
help me with this topic. I believe it is an effect
>where stream meteors appear to come from a stream which is closer to the
zenith than it actually is, but I'm probably wrong on
>this.
>
>Any information would be a great help. I want to include the topic in the
next newsletter I write for our meteor section.
>
>Thanks in advance.
>Adam Marsh, ASV Meteor Section Asst Director.
>
ZENITHAL ATTRACTION
A displacement of the radiant of a meteor swarm by the gravitational
attraction of the earth. When approaching the earth, the meteor is
excelerated, producing a curvature in the orbit. The radiant will appear
displaced toward the observer's zenith.
For a more detailed account see:
METEORS - by V. FEDYNSKY
Foreign Languages Publishing House
Moscow 1959 p.32-p.33
and
Meteor Science and Engineering - by D.W.R. McKinley
McGraw-Hill Book Company Inc. 1961 - p. 34
Hope this is what your looking for.
Ed
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Edward Majden epmajden@mars.ark.com
1491 Burgess Road Meteor Spectroscopy
Courtenay, B.C. AMS Affiliate
CANADA V9N-5R8 MIAC Associate
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