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[vsnet-obs 20257] New Takamizawa variable (TmzV350)

New Takamizawa variable (TmzV350)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV350).

TmzV350
Takamizawa's position: R.A.=07h34m56s.1 Decl.=-22d50'07" (2000.0)
(No USNO counterpart).

= IRAS07328-2243 073248.9 -224329 (1950.0)
    F12=3.63  F25=1.20  F60=0.40L F100=2.29L
    VAR=32 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 073455.9 -225002 (2000.0) CS1782 - 14 8.5 -
= 073456.8 -225008 (2000.0) IRAS07328-2243 3.645 1.209 0.400L 2.256L 32%
= 073456.8 -225008 (2000.0) SSC07328-2243 3.645 1.209 0.400L 2.256L
= 073500.0 -224959 (2000.0) C(Buscombe) V=13.6 - -

  Takamizawa's comment:

  The star may be a Mira-type variable with a range of 13.2-<15.2p.
The star is visible at mag ~18 on Real-Sky CD.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV350        940314.501  132p  Tmz.VSOLJ
TmzV350        941111.731  152p  Tmz.VSOLJ
TmzV350        950203.546  140p  Tmz.VSOLJ
TmzV350        950927.799  149p  Tmz.VSOLJ
TmzV350        951118.744  149p  Tmz.VSOLJ
TmzV350        951222.685  <150p  Tmz.VSOLJ
TmzV350        961021.768  149p  Tmz.VSOLJ
TmzV350        961206.707  <152p  Tmz.VSOLJ
TmzV350        970103.622  <150p  Tmz.VSOLJ
TmzV350        970227.485  <150p  Tmz.VSOLJ
TmzV350        971013.798  <149p  Tmz.VSOLJ
TmzV350        971103.802  150p  Tmz.VSOLJ
TmzV350        971204.695  149p  Tmz.VSOLJ
TmzV350        971224.633  152p  Tmz.VSOLJ
TmzV350        980121.549  150p  Tmz.VSOLJ
TmzV350        980217.497  <150p  Tmz.VSOLJ
TmzV350        980325.453  <149p  Tmz.VSOLJ
TmzV350        981115.737  140p  Tmz.VSOLJ
TmzV350        981212.628  145p  Tmz.VSOLJ
TmzV350        990208.557  150p  Tmz.VSOLJ
TmzV350        990404.438  <147p  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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