[vsnet-newvar 251] New Takamizawa variable (TmzV703)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV703)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV703).

TmzV703
= GSC3990.1590 221807.63 +570137.5 (2000.0) 11.31 1
= USNO1425.13296542 221807.664 +570137.59 (2000.0) 10.8 15.1
= IRAS22163+5646 221618.6 +564636 (1950.0)
    F12=0.76  F25=0.25L F60=0.44L F100=25.11L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without 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
= 221807.8 +570138 (2000.0) IRAS22163+5646 0.748 0.250L 0.427L 25.580L -1%
= 221807.8 +570138 (2000.0) SSC22163+5646 0.748 0.250L 0.427L 25.580L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.6-12.7p.

object         YYYYMMDD(UT)   mag  code
TmzV703        19940903.562  116p  Tmz.VSOLJ
TmzV703        19970824.567  126p  Tmz.VSOLJ
TmzV703        19970827.540  126p  Tmz.VSOLJ
TmzV703        19971218.437  127p  Tmz.VSOLJ
TmzV703        19980823.562  122p  Tmz.VSOLJ
TmzV703        19980916.530  125p  Tmz.VSOLJ
TmzV703        19990709.574  123p  Tmz.VSOLJ
TmzV703        19990807.594  120p  Tmz.VSOLJ
TmzV703        19991226.462  124p  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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