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[vsnet-newvar 254] New Takamizawa variable (TmzV706)

New Takamizawa variable (TmzV706)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV706).

TmzV706
= GSC3991.3093 223150.23 +565949.2 (2000.0) 12.89 1
= USNO1425.13722731 223150.139 +565949.03 (2000.0) 12.1 15.6
= IRAS22299+5644 222955.1 +564418 (1950.0)
    F12=0.52  F25=0.25L F60=0.48L F100=13.18L
    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
= 223149.9 +565945 (2000.0) IRAS22299+5644 0.528 0.250L 0.461L 13.770L -1%
= 223149.9 +565945 (2000.0) SSC22299+5644 0.528 0.250L 0.461L 13.770L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.0-13.6p.

object         YYYYMMDD(UT)   mag  code
TmzV706        19940903.562  130p  Tmz.VSOLJ
TmzV706        19970824.567  132p  Tmz.VSOLJ
TmzV706        19970827.540  132p  Tmz.VSOLJ
TmzV706        19971218.437  131p  Tmz.VSOLJ
TmzV706        19980823.562  130p  Tmz.VSOLJ
TmzV706        19980916.530  132p  Tmz.VSOLJ
TmzV706        19990709.574  135p  Tmz.VSOLJ
TmzV706        19990807.594  131p  Tmz.VSOLJ
TmzV706        19991226.462  136p  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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