[vsnet-id 430] (fwd) Re: VX Dra

[Taichi Kato <tkato>]

(fwd) Re: [vsnet-id 427] VX Dra

Date: Mon, 16 Apr 2001 09:05:59 +0400 (MSD)
From: "Nikolai N. Samus" <samus@sai.msu.ru>
Subject: Re: [vsnet-gcvs 62] Re: [vsnet-id 427] VX Dra

Dear Dr. Kato,

An error of several minutes is not quite the same as a degree error. IT IS
MUCH SAFER TO HAVE A LOST OBJECT IN THE CATALOG THAN TO IDENTIFY TWO
OBJECTS WITHOUT CERTAINTY. Don't let us, for the time being, call FU Dra
VX Dra.

Best regards
Kolya

On Mon, 16 Apr 2001, Taichi Kato wrote:

> Re: [vsnet-id 427] VX Dra
>
> > The variability of VX Dra was discovered by I. Balanowsky on 11 photgraphic
> > plates from Pulkowo Observatory with variations from 11.1 to 11.6 mpg (AN
> > 216, 150, 1921). The star obtained the name in the 19th. Name List (AN 217,
> > 369-376, 1922). The given position was 15h 32m 45s +62=B0 41.0' (equinox
> > 1900).
>
>    The original discovery article was in AN 216, 159 (not 216, 150).
> The original position was 15h 32.0m +62o 50' (1855.0).  This is likely an
> eye estimate from the BD chart.  Other stars discovered at the same time
> (31.1921 = XY Cas, 34.1921 = VZ Dra) having several arcmin positional
> errors, it doesn't seem unlikely the coordinates of VX Dra had a degree
> of error which makes the identification of VX Dra and FU Dra plausible.
>
>    FU Dra (=VX Dra?) is a NLTT high proper motion star.  mu=0.225 arcsec/yr.
> And is also G224-73 (mu=0.30).
>
> Regards,
> Taichi Kato
>

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