[vsnet-alert 3974] Re: CW Mon - first results

[Lew Cook <lcoo@yahoo.com>]

I only got an hours worth of data between clouds last night.
Combining my data with Tonny's and running a PDM on it I get peaks at


Period     full
 (d)       amplitude
------------------------
0.179      (0.04)  
0.103      (see note) 
0.075      (0.06)
0.062      (unclear- much scatter)
0.054      (0.05)
0.046      (0.04)
0.0165     (0.04)

the broad peak at 0.103 and one at 0.179 which is probably influenced
by the data gap more than anything else.
I estimated the amplitudes visually from phase diagrams of the data.
I'm posting the (admittedly poor quality image) PDM plot for the
search from 0.0002 to 0.1 day at

http://vsnet.geocities.com/lcoo/cwpdm51b.jpg

For your viewing pleasure and comments.

Lew
http://vsnet.geocities.com/lcoo/
--- Eric Broens <Eric.Broens@advalvas.be> wrote:
> Using the PDM method on Vanmunsters observations I find following
> periods rather than the ones mentioned by Tonny: 0.028 d (40 min)
> and 0.100
> d (2.4 h).
> Both periods show an amplitude of 0.06 magnitudes.
> Next to this periods the PDM method reveals weaker signals at 0.057
> d and 0.088,
> similar as the periods found by Tonny, but these periods are resp.
> 2 and 3
> times the period of 0.028 d.
> 
> Best regards,
> Eric Broens
> 
> 
> 
> 
> ------------------------------------
> VVS Werkgroep Veranderlijke Sterren
> 
> Eric Broens
> Wateringstraat 143
> B-2400 Mol
> BELGIUM
> 
> E-Mail: Eric.Broens@advalvas.be
> ------------------------------------
> 
> 
> 

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