[vsnet-chat 755] (fwd) Re: Variable stars sequences (Boninsegna)

[Taichi Kato <tkato>]

From owner-vsnet-err@kusastro.kyoto-u.ac.jp Wed Mar 11 08:42 JST 1998
Date: Wed, 11 Mar 1998 08:39:34 +0900 (JST)
To: Roland.Boninsegna@gate71.be
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From: Roland.Boninsegna@gate71.be (Roland Boninsegna)
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Date: Wed, 11 Mar 1998 00:45:08 +0100
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Subject: [vsnet-chat 0] Re Variable Stars Sequences
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>Return-Path: <j.vandenbroere@skynet.be>
>From: "J. Vandenbroere" <j.vandenbroere@skynet.be>
>To: "Roland BONINSEGNA" <roland.boninsegna@gate71.be>
>Subject: Re Variable Stars Sequences
>Date: Sun, 1 Mar 1998 17:52:12 +0100
>X-MSMail-Priority: Normal
>X-MIME-Autoconverted: from 8bit to quoted-printable by skycorp.skynet.be id
LAA24533
>
>
>   Dear Roger Pickard,
>
>   "The lack of agreement on comparison star se-
>quences militated against the use of amateur ob-
>servations by researchers"
>
>   In case of visual observation, the eyes of every-
>body are different, the telescopes used have diffe-
>rent fields of view and the best comparison star sequences
>are not always the same.  For each variable star, 
>the identification has to be correct and several possi-
>ble comparison stars have to be proposed avoiding
>the possible variables.  This can also
>be very useful for CCD measurements.
>
>   It is the quality of the proposed charts that shall
>made them a good reference for the users.  It should
>not be an obligation.
The final aim of variable stars observing is not
the presentation of a light curve, but you can detect
many informations by using your own observing sequence,
your own telescope. The Argelander method of comparison
is particularly suited for that kind of work. That is why
we used it for observing suspected stars or eclipsing
and pulsating stars.
>
>                      Jacqueline Vandenbroere, Roland Boninsegna
>                           GEOS observer
>                          
>
>
Roland Boninsegna				Asteroidal Occultations (EAON)
Rue de Mariembourg, 35		Observations of Suspected Variable Stars (GEOS)	
B  5670  Dourbes				Astronomy teaching (EAAE)
Tel: + 32 60 399925			E-mail: roland.boninsegna@gate71.be

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