[vsnet-obs 21815] New Takamizawa variable (TmzV456)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV456)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV456).

TmzV456
= GSC7125.1210 080728.82 -322331.7 (2000.0) 13.22 0 N
= GSC7125.1210 080728.88 -322332.0 (2000.0) 12.01 6 N
= USNO0525.06110052 080728.804 -322332.71 (2000.0) 99.9 13.1
= IRAS08055-3214 080531.3 -321446 (1950.0)
    F12=1.32  F25=0.40  F60=0.40L F100=12.02L
    VAR= 3 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 080728.6 -322327 (2000.0) CS2071 - 10.5 8.5 -
= 080728.9 -322331 (2000.0) IRAS08055-3214 1.372 0.400 0.400L 11.500L 3%
= 080728.9 -322331 (2000.0) SSC08055-3214 1.372 0.400 0.400L 11.500L
= 080730.0 -322259 (2000.0) C(Buscombe) V=10.5 - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.2-12.9p.

object         YYMMDD(UT)   mag  code
TmzV456        941111.724  127p  Tmz.VSOLJ
TmzV456        950220.528  127p  Tmz.VSOLJ
TmzV456        951118.735  123p  Tmz.VSOLJ
TmzV456        951222.701  126p  Tmz.VSOLJ
TmzV456        960211.540  129p  Tmz.VSOLJ
TmzV456        961021.828  128p  Tmz.VSOLJ
TmzV456        970227.495  125p  Tmz.VSOLJ
TmzV456        971013.806  122p  Tmz.VSOLJ
TmzV456        971103.834  128p  Tmz.VSOLJ
TmzV456        971203.741  124p  Tmz.VSOLJ
TmzV456        971231.679  127p  Tmz.VSOLJ
TmzV456        980322.516  123p  Tmz.VSOLJ
TmzV456        981115.785  126p  Tmz.VSOLJ
TmzV456        990208.537  128p  Tmz.VSOLJ
TmzV456        990404.452  129p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       Inst.: 10cmR F4 twin patrol cameras  T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <GHA07243@nifty.ne.jp>

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