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[vsnet-newvar 269] New Takamizawa variable (TmzV717)

New Takamizawa variable (TmzV717)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV717).

TmzV717
= GSC3982.300 222128.97 +541025.7 (2000.0) 13.45 1 N
= USNO1425.13393616 222128.945 +541025.82 (2000.0) 13.0 14.1
= IRAS22195+5355 221935.5 +535507 (1950.0)
    F12=0.76  F25=0.36  F60=0.40L F100=9.12L
    VAR=82 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
= 222130.4 +541016 (2000.0) IRAS22195+5355 0.781 0.383 0.400L 9.537L 82%
= 222130.4 +541016 (2000.0) SSC22195+5355 0.781 0.383 0.400L 9.537L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.5-14.3p.

object         YYYYMMDD(UT)   mag  code
TmzV717        19940903.567  138p  Tmz.VSOLJ
TmzV717        19941127.492  135p  Tmz.VSOLJ
TmzV717        19951212.460  138p  Tmz.VSOLJ
TmzV717        19970824.567  140p  Tmz.VSOLJ
TmzV717        19970827.549  138p  Tmz.VSOLJ
TmzV717        19971218.393  138p  Tmz.VSOLJ
TmzV717        19980823.571  137p  Tmz.VSOLJ
TmzV717        19980916.541  136p  Tmz.VSOLJ
TmzV717        19990709.583  143p  Tmz.VSOLJ
TmzV717        19990807.602  136p  Tmz.VSOLJ
TmzV717        19991226.386  142p  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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