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[vsnet-alert 7769] Re: V478 Sco outburst



I Observed visually this star in outburst last night:

SCOV478 20030622.3729 14.7: LMK

However, the only chart I have for it is "FMB 26.4.95" which has 140
comp as the faintest one! I had to extrapolate this beyond my normal
limits for the estimate. Would anyone have fainter sequence for this
variable?

Mike Linnolt

On Sun, 22 Jun 2003, Claus Tappert wrote:

> Dear colleagues,
>
> as of 2003-06-22 6:00 UT I find the dwarf nova V478 Sco having brightened
> by 1.4 mag with respect to last night (based on CCD observations in the R
> band). The system currently (7:00 UT) is still increasing at a rate of
> roughly 0.05 mag/h.
>
> If the star has been in quiescence last night (the light curve seems to
> indicate so), and assuming R = 16 (Zwitter & Munari 1996), this would mean
> that roughly  R = 14.5 at 2003-06-22 6:00 UT.
>
> Sorry that I can't be more specific, but I observed the system only to
> fill in gaps between my actual targets, and I don't have any information
> on suitable comparison stars of known brightness.
>
> Saludos,
> Claus Tappert.


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