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[vsnet-newvar 367] New Takamizawa variable (TmzV737)

New Takamizawa variable (TmzV737)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV737).

TmzV737
= GSC7915.1273 184027.15 -381929.5 (2000.0) 12.26 6
= USNO0450.35395606 184027.162 -381930.34 (2000.0) 10.5 13.0
= IRAS18370-3822 183701.2 -382221 (1950.0)
    F12=0.91  F25=0.44  F60=0.40L F100=1.20L
    VAR= 1 LRS=-1
 possibly II: variable star with 'young' O-rich 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
= 184025.9 -381929 (2000.0) FSC18370-3822 0.785 0.386 0.325L 1.388L
= 184026.9 -381932 (2000.0) IRAS18370-3822 0.879 0.433 0.400L 1.215L 1%
= 184026.9 -381932 (2000.0) SSC18370-3822 0.879 0.433 0.400L 1.215L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.1-12.8p.

object         YYYYMMDD(UT)   mag  code
TmzV737        19940712.601  121p  Tmz.VSOLJ
TmzV737        19940810.523  121p  Tmz.VSOLJ
TmzV737        19950522.685  127p  Tmz.VSOLJ
TmzV737        19960619.642  124p  Tmz.VSOLJ
TmzV737        19960903.472  125p  Tmz.VSOLJ
TmzV737        19970606.684  125p  Tmz.VSOLJ
TmzV737        19970706.594  126p  Tmz.VSOLJ
TmzV737        19970822.470  123p  Tmz.VSOLJ
TmzV737        19970919.377  125p  Tmz.VSOLJ
TmzV737        19980629.613  127p  Tmz.VSOLJ
TmzV737        19980912.436  128p  Tmz.VSOLJ
TmzV737        19990414.788  124p  Tmz.VSOLJ
TmzV737        19990511.719  123p  Tmz.VSOLJ
TmzV737        19990609.681  110p  Tmz.VSOLJ
TmzV737        19990614.616  126p  Tmz.VSOLJ
TmzV737        19990706.622  122p  Tmz.VSOLJ
TmzV737        19990803.528  126p  Tmz.VSOLJ
TmzV737        20000406.803  125p  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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