[vsnet-chat 489] Re: Variable star near M27

[Gianluca Masi <gianmasi@fr.flashnet.it>]

Albert Dill wrote:
> 
> >
> > Dear Collegues,
> > I am writing you because I need your help.
> >
> > During the past months, I have taken two images of the famous Dumbbell
> > Nebula (M27). Confronting them, I have noted that there is a star which
> > changes its brightness. I have controlled all the books that I have
> > (28.000 variable stars from GSVC included and 14.000 suspected
> > variables), without findind any variable star in the same position.
> > I give below the position of the star:
> >
> > A.R.: 19h 59.6m  (Epoch: 2000)
> > Delta: +22d 34' (Epoch: 2000)
> > Mag.: 14.0 (unfiltered)
> >
> >
> > You can find the images at the URL:
> >
> > http://vsnet.eurolink.it/comets/varst.html
> >
> > I know that you have a great experience in this field, so I ask if
> > somebody can tell me if this variable is known or not.
> >
> > Please, give me your reply by personal e-mail, because it works faster
> > than the VSNET.
> >
> > Best Regards,
> > Gianluca Masi
> 
> Hello folks!
>   Isn't this the same star as "Goldilocks' Variable" being investigated by
> Leos Ondra?  The positions only disagree by a few arc seconds in
> declination.  He has a home page on the subject at
> http://vsnet.sci.muni.cz/~ondra/gl/gl.html.  Also check out IBVS # 3604 &
> 4037. The first is the discovery and the second is the improved position by
> M. Morel.  Carpe Noctum,  Albert Dill


The star reported by Ondra is at
A.R.: 19 h 59 m 29.8 s
Decl.: +22° 45' 14'' (2000)

while the star I have reported is located at
A.R.: 19h 59.6m  (Epoch: 2000)
Delta: +22d 34' (Epoch: 2000)
Mag.: 14.0 (unfiltered)

Regards,
Gianluca
-- 
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* 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 into me"    * 
* email: gianmasi@fr.flashnet.it                                      *
* http://vsnet.eurolink.it/comets/                        I. Kant       *
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