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[vsnet-obs 24405] New Takamizawa variable (TmzV614)

New Takamizawa variable (TmzV614)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV614).

TmzV614
= GSC3978.1247 213015.78 +581739.1 (2000.0) 12.00 1
= USNO1425.12071788 213015.807 +581739.10 (2000.0) 11.4 17.1
= IRAS21288+5804 212848.2 +580424 (1950.0)
    F12=2.51  F25=0.83  F60=2.75L F100=22.90L
    VAR= 8 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
= 213015.7 +581740 (2000.0) CS5336 - - 9.7 -
= 213016.1 +581737 (2000.0) IRAS21288+5804 2.627 0.801 2.775L 22.160L 8%
= 213016.1 +581737 (2000.0) SSC21288+5804 2.627 0.801 2.775L 22.160L
= 213011.9 +581659 (2000.0) C(Buscombe) V=9.1 - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.0-12.6p.

object         YYMMDD(UT)   mag  code
TmzV614        940903.562  126p  Tmz.VSOLJ
TmzV614        970824.567  120p  Tmz.VSOLJ
TmzV614        970827.540  125p  Tmz.VSOLJ
TmzV614        971218.437  124p  Tmz.VSOLJ
TmzV614        980823.562  121p  Tmz.VSOLJ
TmzV614        980916.530  125p  Tmz.VSOLJ
TmzV614        990709.574  122p  Tmz.VSOLJ
TmzV614        990807.594  123p  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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