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27. On the radiant distribution of sporadic meteors

Published online by Cambridge University Press:  14 August 2015

N. Carrara ,
A. Consortini  and
L. Ronchi
N. Carrara
Affiliation:
Centro Microonde of Consiglio Nazionale delle Ricerche, Florence, Italy
A. Consortini
Affiliation:
Centro Microonde of Consiglio Nazionale delle Ricerche, Florence, Italy
L. Ronchi
Affiliation:
Centro Microonde of Consiglio Nazionale delle Ricerche, Florence, Italy

Abstract

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A research is described which had the purpose of deriving information about the physics and astronomy of sporadic meteors from the range distribution of radar echoes from meteor trails experimentally observed under given conditions.

The method is based on the comparison of the experimental distribution with a number of different theoretical distributions, corresponding to different sets of assumptions about the characteristics of sporadic meteors and the law of trail formation.

The quantities which can be derived by this method are: (1) the distribution of heliocentric radiants, (2) the type of meteors (stone, iron, dustballs), (3) the distribution of heliocentric velocities.

In the present paper are described the results of the first part of the theoretical computations. Evidence is obtained that, in order to fit the experimental curve, both the uniform distribution of heliocentric radiants over the celestial sphere and in the plane of the ecliptic must be taken into account.

Type
Session 5
Information
Symposium - International Astronomical Union , Volume 33: Physics and Dynamics of Meteors , 1968 , pp. 288 - 297
Copyright
Copyright © Reidel 1968 

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