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[vsnet-j 2570] Re: Possible Nova in Sgr

On Thursday, April 10, 2003, at 10:28  AM, Taichi Kato wrote:
> 　V4006 Sgr の位置が違っていた、という可能性も捨てきれない

V4006 Sgについて調べてみました。

63th Namelistによると、

V4006 Sgr=JL-1[7912]
7912 J.Lukas, JAAVSO 4,No.2, 64, 1975-76

ということで、位置の精度はそれほど低くなさそうかなと？？

で、  [vsnet-chat 1860] Improved position of V4006 Sgrによると、

The position of V4006 Sgr has only a rough position in the GCVS. While 
preparing
a chart for V4444 Sgr I have determined a precise position. A finder 
chart can
be found in the Journal of the AAVSO Vol. 4, No2, p64 (1975-76), which 
shows
that
the variable is located less than 1' due N of GSC 6850.01524 (m = 9.7). 
In the
USNO-A2.0 catalogue a very red star can be found at this location, and 
I assume
this to be V4006 Sgr.  The position is
(J2000)  18h7m22.17s  -27o24'42.85"     r = 15.1,  b = 20.5
(1950)   18 4 13.8    -27 25 8.2

No other star in the vicinity is as red, which makes it a likely match 
for V4006
Sgr, a Mira variable, range 11.6 - (14.4p.

Cheers,
/Mati

って、あれ？位置近くなりましたね？



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