[Aavso-photometry] Possible new variable? (corrected)

Jeff Hopkins phxjeff at hposoft.com
Tue Dec 11 17:27:27 EST 2007


Hi Dave,

While you did not list the data and SDs, the error bars seem to be 
about what the variation is and that is for the brighter star. I 
would assume the fainter stars have higher errors. This would put 
your variations within the error bars.

What I suggest is more observations and a period determination. If 
you can do that and predict the variations and the predictions prove 
out then you have found yourself a variable.

Good luck.

Jeff

At 15:13 -0700 12/11/2007, Dave Lane wrote:
>Hi Jeff,
>
>Thanks for the long response. First of all, each measurement on my 
>graphs is based on 5x60s exposures in V and 8x60s exposures in B, so 
>aren't single exposures.
>
>The exciting news is that a list member replied to me privately that 
>he also noticed it varying last week and caught what looks like an 
>EB eclipse!
>
>With that aside, although I realize the variation is small, how does 
>one explain the trend in both B and V while the other stars stay 
>constant.
>
>--- Dave

-- 
Jeff Hopkins
HPO SOFT
Counting Photons
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Hopkins Phoenix Observatory
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