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Re: Ballistic Theory and the Sagnac Experiment

Subject: Re: Ballistic Theory and the Sagnac Experiment
From: Henri Wilson
Date: Thu, 23 Mar 2006 08:17:27 GMT
Newsgroups: sci.astro, sci.physics.relativity, sci.physics
On Wed, 22 Mar 2006 22:14:00 -0000, "George Dishman" <george@xxxxxxxxxxxxxxxxx>
wrote:

>
>"Henri Wilson" <HW@..> wrote in message 
>news:49jr12h3h5lfod029v1trapocogc1u8bt2@xxxxxxxxxx
>> On Sat, 18 Mar 2006 18:36:33 -0000, "George Dishman" 
>> <george@xxxxxxxxxxxxxxxxx>
>> wrote:
>>
>>>
>>>"Henri Wilson" <HW@..> wrote in message
>>>news:adcm12dt855di1e3tt6ek7duk3ff9lujd9@xxxxxxxxxx
>>
>>>>
>>>> there is very little diference between e=0 and e=0.05
>>>
>>>If your code is wrong, all of the effect at e=0.05
>>>may be due to the error. You need to sort the bug.
>>
>> You're becoming boring George.
>> The error is merely in the scaling of the blue velocity curve.
>> It has been fixed.
>
>Does it now give a valid scale for the curve?

Yes. It doesn't go offscale. 
The size is not importanrt. It is the shape and phase that matter here.

>
>> My program uses a very efficient method to determine velocity and 
>> direction of
>> movement around any orbit. It stores all the info in several large arrays. 
>> The
>> secret of my program is that it uses equal time steps not equal angles. It
>> doesn't use elliptical equations. It relies solely on a=GM/r^2. Circular 
>> orbits
>> are handled differently. As one would expect, there is little difference 
>> in
>> brightness curves for e= 0 and e= 0.05
>>
>> Normally 20000 sample points is quite adequate when working below the 
>> critical
>> distance. Increasing that to 60000 makes virtually no difference to 
>> brightness
>> curves.
>
>Given the recent discussion on extinction
>distance, I might try 0.0047 light years
>anyway but it will be at the weekend, I have
>too much else to do tonight.

Extinction in remote space is something we can only speculate about at this
stage. 
My program might be able to reveal a few facts..

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