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[vsnet-newvar 61] New Takamizawa variable (TmzV626)

New Takamizawa variable (TmzV626)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV626).

TmzV626
= GSC3975.775 214510.90 +574805.3 (2000.0) 12.73 6
= GSC3975.775 214510.99 +574803.4 (2000.0) 12.54 1
= USNO1425.12419290 214510.978 +574804.49 (2000.0) 12.4 16.2
= IRAS21436+5734 214336.4 +573410 (1950.0)
    F12=0.58  F25=0.25L F60=3.98L F100=39.80L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or 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
= 214511.1 +574801 (2000.0) IRAS21436+5734 0.582 0.250L 3.957L 40.690L -1%
= 214511.1 +574801 (2000.0) SSC21436+5734 0.582 0.250L 3.957L 40.690L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.7-13.4p.

object         YYMMDD(UT)   mag  code
TmzV626        940903.562  127p  Tmz.VSOLJ
TmzV626        970824.567  132p  Tmz.VSOLJ
TmzV626        970827.540  134p  Tmz.VSOLJ
TmzV626        971218.437  128p  Tmz.VSOLJ
TmzV626        980823.562  127p  Tmz.VSOLJ
TmzV626        980916.530  131p  Tmz.VSOLJ
TmzV626        990709.574  130p  Tmz.VSOLJ
TmzV626        990807.594  133p  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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