Asymmetries in the natural meteoroid population as sampled by LDEF

McBride, Neil and Taylor, A.D. and Green, Simon F. and McDonnell, J.A.M. (1995) Asymmetries in the natural meteoroid population as sampled by LDEF. Planetary and Space Science, 43 (6). pp. 757-764. ISSN 0032-0633. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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By considering the actual orbital geometry of the Long Duration Exposure Facility (LDEF) throughout its 5.8 year operational lifetime, we find that the orientation of the LDEF's orbital plane with respect to the ecliptic plane was largely repeatable from year to year at a given solar longitude. Hence the geometry presented to individual interplanetary meteoroid sources could have caused biases in sampling by the LDEF experimental faces. We investigate the effect on the relative flux distributions between LDEF experimental faces due to various meteoroid sources, and find that a strong north to south face asymmetry in measured flux can be obtained as a result of the LDEF sampling of the Taurid meteoroid complex. Experimental data show that there may indeed be a significant north face bias for particles of diameter greater than similar to 5 mu m.

Item Type: Article
Subjects: Q Science > QB Astronomy
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: O.O. Odanye
Date Deposited: 04 Jun 2009 10:41
Last Modified: 21 May 2014 10:45
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