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[vsnet-newvar 208] New Takamizawa variable (TmzV666)

New Takamizawa variable (TmzV666)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV666).

TmzV666
= GSC4263.1284 220947.55 +610936.5 (2000.0) 12.52 6
= USNO1500.08930552 220947.593 +610936.67 (2000.0) 12.1 15.5
= IRAS22081+6054 220810.2 +605454 (1950.0)
    F12=0.58  F25=0.25L F60=2.75L F100=30.19L
    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
= 220947.6 +610940 (2000.0) IRAS22081+6054 0.552 0.250L 2.797L 29.700L -1%
= 220947.6 +610940 (2000.0) SSC22081+6054 0.552 0.250L 2.797L 29.700L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.4-13.2p.

object         YYYYMMDD(UT)   mag  code
TmzV666        19940903.562  132p  Tmz.VSOLJ
TmzV666        19970824.567  127p  Tmz.VSOLJ
TmzV666        19970827.540  126p  Tmz.VSOLJ
TmzV666        19971218.437  124p  Tmz.VSOLJ
TmzV666        19980823.562  124p  Tmz.VSOLJ
TmzV666        19980916.530  125p  Tmz.VSOLJ
TmzV666        19990709.574  128p  Tmz.VSOLJ
TmzV666        19990807.594  131p  Tmz.VSOLJ
TmzV666        19991226.462  130p  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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