(meteorobs) Northern bias to meteor showers?

belatrix belatrix at ozemail.com.au
Thu Feb 1 04:31:40 EST 2007


That should read  '.. we get from northern and equatorial favouring 
major showers..' of course
:D

On 01/02/2007, at 5:03 PM, belatrix wrote:

> they are certainly not a wet conclusion! it's a fact! there would be 
> plenty of anecdotal evidence, I mean there mightn't be many meteor 
> observers, but there's plenty of other kinds of observers (and casual 
> imagers) who would accidentally see and report unusual activity most 
> probably - besides wouldnt the radio obs cover it all anyways, even if 
> no visual obs?
> The showers down here, on the average, dont match the 'crumbs' we get 
> from 'northern' favouring showers.
> Cheers
> kearn
>
> On 01/02/2007, at 9:56 AM, Bruce McCurdy wrote:
>
>>     Further to my query of last week (copied below for ease of 
>> reference), I
>> am trying to do some research on the subject of meteor showers for my 
>> next
>> "Orbital Oddities" column in the Journal of the Royal Astronomical 
>> Society
>> of Canada. With thanks to Roberto G. for his previous comments, I 
>> would very
>> much appreciate some additional expert commentary -- or reference to 
>> an
>> authoritative source -- about why meteor showers seem to be heavily 
>> biased
>> towards the northern hemisphere. Is it lack of observation by southern
>> observers? A fluke of small number statistics? A temporary/temporal
>> aberration? An asymmetry with respect to the distribution of comet 
>> orbits?
>> Some other physical cause? Or are my conclusions re: the perceived 
>> bias all
>> wet?
>>
>>     Thanks.
>>
>>     Bruce
>>     *****
>>


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