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[vsnet-obs 7452] Re: Sept. 19, CCD, JLT
- Date: Sat, 20 Sep 1997 00:38:24 +0200 (MET DST)
- To: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>, vsnet-obs@kusastro.kyoto-u.ac.jp
- From: Tonny Vanmunster <tvanmuns@innet.be>
- Subject: [vsnet-obs 7452] Re: Sept. 19, CCD, JLT
- Sender: owner-vsnet-obs@kusastro.kyoto-u.ac.jp
At 22:20 19/09/97 +0900, you wrote:
>Lasse Teist Jensen wrote:
>
>> 1925+54 USNO 1425 2450709.2826 1997-09-17 0.7826 14.9, a
>> 3.5 hour time series didn't reveal superhumps.
>> So if the superhumps still persist then the amplitude is probably less
>> than 0.1 mag.
>> I did another time series last night. Not reduced yet, but the mag is
>> still around 14.9.
I did a time series photometry of this object on September 17/18 too, and
a quick analysis (using PDM) of my observations does still reveal superhumps,
albeit the mean amplitude indeed is very small (less than 0.1 mag). So,
we definitely should continue monitoring this object !
Best regards,
Tonny Vanmunster
CBA Belgium Observatory