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[vsnet-newvar 227] New Takamizawa variable (TmzV679)

New Takamizawa variable (TmzV679)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV679).

TmzV679
= GSC3995.279 222847.08 +583218.7 (2000.0) 13.08 6
= GSC3995.279 222847.30 +583219.9 (2000.0) 13.14 6
= USNO1425.13628153 222847.292 +583219.61 (2000.0) 12.7 17.3
= IRAS22269+5816 222656.1 +581658 (1950.0)
    F12=0.48  F25=0.17  F60=1.90L F100=25.11L
    VAR= 0 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
= 222847.2 +583220 (2000.0) IRAS22269+5816 0.494 0.183 1.934L 25.140L 0%
= 222847.2 +583220 (2000.0) SSC22269+5816 0.494 0.183 1.934L 25.140L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.4-13.3p.

object         YYYYMMDD(UT)   mag  code
TmzV679        19940903.562  128p  Tmz.VSOLJ
TmzV679        19970824.567  129p  Tmz.VSOLJ
TmzV679        19970827.540  128p  Tmz.VSOLJ
TmzV679        19971218.437  130p  Tmz.VSOLJ
TmzV679        19980823.562  133p  Tmz.VSOLJ
TmzV679        19980916.530  133p  Tmz.VSOLJ
TmzV679        19990709.574  131p  Tmz.VSOLJ
TmzV679        19990807.594  124p  Tmz.VSOLJ
TmzV679        19991226.462  128p  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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