[vsnet-alert 11553] Re: [vsnet-outburst 10636] Fw: [baavss-alert] EG Cnc in outburst
Hiroyuki Maehara
mira at cetus-net.org
Tue Oct 13 03:20:22 JST 2009
I confirmed the outburst of EG Cnc.
The object continues to fade.
object YYYYMMDD(UT) mag code
CNCEG 20091012.73464 157C Mhh.VSOLJ
On Mon, Oct 12, 2009 at 17:06:37, Gary Poyner wrote:
> ----- Original Message -----
> From: "RICHARD MILES" <rmiles.btee at btinternet.com>
> To: <baavss-alert at yahoogroups.com>
> Cc: "Alison Tripp (FT)" <alison.tripp at faulkes-telescope.com>
> Sent: Monday, October 12, 2009 4:56 PM
> Subject: [baavss-alert] EG Cnc in outburst
>
>
> >Observations using the Faulkes Telescope between 2009 Oct 12 13:43-14:27
> >UT
> >show that the star continues to fade at a faster rate than that reported
> >by
> >Ian Miller. 17 x 40 sec V(Green)- filter images show a very clear decline
> >from V=15.02 to V=15.10 (+/-0.01 mag) during this time interval. A linear
> >fit to the data gives a fade rate of 2.6 +/- 0.4 mag/day. There is some
> >evidence that the rate of decline is slowing. Additional images have been
> >obtained and will be analysed in due course.
> >
> >Photometry reported is referenced to an ensemble average of three stars
> >(12.8, 13.8 and 15.4 as shown on AAVSO chart). Precision of photometry
> >for
> >single images is 0.006 mag.
> >
> >Richard Miles
> >
> >P.S. Thanks Ian (and Hazel's earlier negative observations) for
> >monitoring
> >this star and discovering its very recent activity. Nice work.
> >
> >
> >----- Original Message -----
> >From: "Ian Miller" <furzehillobservatory at hotmail.com>
> >To: <baavss-alert at yahoogroups.com>
> >Sent: Monday, October 12, 2009 1:46 PM
> >Subject: [baavss-alert] Re: EG Cnc in outburst
> >
> >
> >>EG Cnc faded by 0.09 mag.(a rate of ~1 mag/day) throughout a 2.2 hour
> >>time
> >>series after this morning's detection.
> >>
> >>These observations may be viewed on the AAVSO's 'Light Curve Generator'
> >>website.
> >>
> >>Best wishes from Ian.
> >>
--
Hiroyuki Maehara
mira at cetus-net.org
http://www.cetus-net.org/
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