Re: New Cepheid?

[Michael Sallman <msallman@pro-ns.net>]

Chris,

Thanks.
But it looks like Patrick W. beat me to this one.
If only that NSVS server had crashed a week or two sooner! :-)

Mike

Chris Lloyd wrote:
> I have combined the TASS and ROTSE data to derive the following ephemeris
> of maximum light
> 
> HJD_Max = 24451696.69(2) + 5.065(1)xE
> 
> and found the Fourier decomposition parameters. The star lies in the main
> clusters of points on the plots mentioned in the previous mails, for all
> the amplitude and phase parameters up to k=4. There does seem to be a
> small systematic difference in the amplitude of the ROTSE data, which are
> unfiltered, and the TASS V data, and this can be put down to the
> significant reduction in amplitude towards the red. The TASS V-I plot
> shows a clear 0.2 mag variation in phase with the light curve, bluest
> when brightest.
> 
> I think it's a Cepheid... Well done Michael.
> 
> Cheers,
> 
> Chris
> 
> 
>