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[vsnet-obs 18929] New Takamizawa variable (TmzV174)

New Takamizawa variable (TmzV174)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV174).

TmzV174
= GSC4062.894 033623.55 +613600.5 (2000.0) 14.55 1
= USNO1500.03273633 033623.542 +613600.24 (2000.0) 12.7 17.0
= IRAS03321+6126 033210.4 +612606 (1950.0)
    F12=2.09  F25=0.91  F60=0.40L F100=10.96L
    VAR=90 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
= 033623.1 +613601 (2000.0) IRAS03321+6126 2.162 0.876 0.400L 10.540L 90%
= 033623.1 +613601 (2000.0) SSC03321+6126 2.162 0.876 0.400L 10.540L

  Takamizawa's comment:

  The star may be a Mira-type variable with a range of 13.8-<15.1p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV174        941108.549  <151p  Tmz.VSOLJ
TmzV174        950127.497  138p  Tmz.VSOLJ
TmzV174        960111.431  <151p  Tmz.VSOLJ
TmzV174        970714.711  <149p  Tmz.VSOLJ
TmzV174        970802.715  <151p  Tmz.VSOLJ
TmzV174        971010.696  <151p  Tmz.VSOLJ
TmzV174        971101.613  <149p  Tmz.VSOLJ
TmzV174        971123.518  <151p  Tmz.VSOLJ
TmzV174        971221.449  <151p  Tmz.VSOLJ
TmzV174        980116.428  142p  Tmz.VSOLJ
TmzV174        980703.655  <151p  Tmz.VSOLJ
TmzV174        980823.681  <151p  Tmz.VSOLJ
TmzV174        990109.489  <151p  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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