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[vsnet-obs 24139] New Takamizawa variable (TmzV605)

New Takamizawa variable (TmzV605)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV605).

TmzV605
= GSC4249.755 212832.11 +615051.0 (2000.0) 12.75 1
= USNO1500.08144990 212832.145 +615051.22 (2000.0) 12.2 16.2
= IRAS21272+6137 212714.9 +613738 (1950.0)
    F12=1.58  F25=0.76  F60=0.44L F100=13.18L
    VAR=38 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
= 212832.0 +615047 (2000.0) IRAS21272+6137 1.538 0.741 0.434L 13.220L 38%
= 212832.0 +615047 (2000.0) SSC21272+6137 1.538 0.741 0.434L 13.220L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.0-14.3p.

object         YYMMDD(UT)   mag  code
TmzV605        940903.562  140p  Tmz.VSOLJ
TmzV605        970824.567  139p  Tmz.VSOLJ
TmzV605        970827.540  134p  Tmz.VSOLJ
TmzV605        971218.437  130p  Tmz.VSOLJ
TmzV605        980823.562  132p  Tmz.VSOLJ
TmzV605        980916.530  143p  Tmz.VSOLJ
TmzV605        990709.574  133p  Tmz.VSOLJ
TmzV605        990807.594  134p  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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