IAU MDC meteor orbits database - A sample of radio-meteor data from the Hissar Observatory
نویسندگان
چکیده
منابع مشابه
On the meteor height from forward scatter radio observations
It is known from theory that, by means of a plasma physics approach, it is possible to obtain a simple formula to calculate the approximate height of a meteor (Foschini, 1999). This formula can be used in case of forward scatter of radio waves and has the advantage that it does not depend on the diffusion coefficient. On the other hand, it is possible to apply the formula to a particular type o...
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A problem commonly encountered in meteor studies is the need for a realistic interpretation of statistical data which contains uncertainties in two variables. A simple solution is provided and for illustration applied to diffusion-height data. 1. LINEAR REGRESSION The statistical analysis of data consisting of two variables,each subject to error,in order to determine the existence of any linear...
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We describe a case of a 65-year old man diagnosed with retinal vasoproliferative tumour secondary to posterior uveitis. The fluorescein angiography shows an interesting meteor-like leak emanating from the tumour and rising towards the superior retina in the later frames of the angiogram. Pictorially, we call it the "Retinal Meteor" and also describe the possible mechanism for this pattern of le...
متن کاملOn forward scatter of radio waves from meteor trails
In this paper, a new approach to forward scatter of radio waves from meteor trails is exposed. The attention is drawn to some macroscopic characteristics of a meteor plasma and it is shown that electron-ion collision frequency is not negligible, as commonly thought. A simple formula for calculations of radio waves maximum attenuation after the forward scattering is also pre-
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ژورنال
عنوان ژورنال: Planetary and Space Science
سال: 2020
ISSN: 0032-0633
DOI: 10.1016/j.pss.2020.105008