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[vsnet-alert 3873] Re: QY Per rare outburst
- Date: Wed, 29 Dec 1999 21:31:35 +0100
- To: vsnet-alert@kusastro.kyoto-u.ac.jp
- From: Gianluca Masi <gianmasi@fr.flashnet.it>
- Subject: [vsnet-alert 3873] Re: QY Per rare outburst
- CC: Patrick Schmeer <extpasc@rz.uni-sb.de>
- Organization: "Bellatrix" Astronomical Observatory
- References: <199912291948.UAA25557@mars.rz.uni-sb.de>
- Sender: owner-vsnet-alert@kusastro.kyoto-u.ac.jp
Dear Colleagues,
time-resolved CCD photometry is under way at the "Bellatrix" Astronomical Observatory,
after a request from Dr. Kato. The weather is quite bad (clear spells, wind...) but I'm
trying... with some luck, more later!
All the best,
Gianluca
CBA - Italy
Patrick Schmeer wrote:
>
> QY PERSEI (UGSU:)
> PERQY 991223.190 <175C Scp
> PERQY 991228.168 139C Scp
> Sequence: VSNet
> Instrument: IRO (0.5-m RCT + AP-8)
> (report delayed due to a computer problem)
>
> The most recently recorded outburst was detected by J. Pietz on
> 1996 Dec 7.88 UT at mv= 14.3 (cf. vsnet-obs 4521, vsnet-alert 624).
> I would suppose that several (normal) outbursts were missed in the
> last three years. The mean cycle length appears to be about one year,
> but may be as short as five months.
>
> Regards,
> Patrick
>
> P.S.:
> I think Mike Simonsen's observations were actually made 0.5 days
> later than stated.
> The current outburst is very likely a supermaximum, so time-resolved
> photometry is strongly recommended.
--
***********************************************************************
* Gianluca Masi "Two things fill the soul *
* Via Madonna de Loco, 47 with awe and reverence [...]: *
* 03023 Ceccano (FR) the starry sky above me and *
* ITALY the moral law within me" *
* e-mail: gianmasi@fr.flashnet.it *
* web: http://vsnet.eurolink.it/comets/ I. Kant *
* Minor Planet Center Obs. Code: 470 - Ceccano *
* Center for Backyard Astrophysics - Italy *
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