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[vsnet-obs 24409] New Takamizawa variable (TmzV616)

New Takamizawa variable (TmzV616)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV616).

TmzV616
= GSC3974.1003 212702.16 +565954.2 (2000.0) 10.93 1
= USNO1425.12013146 212702.149 +565954.80 (2000.0) 10.8 13.5
= IRAS21255+5646 212532.4 +564649 (1950.0)
    F12=0.76  F25=0.25L F60=3.98L F100=43.64L
    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
= 212702.4 +565953 (2000.0) IRAS21255+5646 0.750 0.250L 3.881L 45.130L -1%
= 212702.4 +565953 (2000.0) SSC21255+5646 0.750 0.250L 3.881L 45.130L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.9-11.5p.

object         YYMMDD(UT)   mag  code
TmzV616        940903.562  112p  Tmz.VSOLJ
TmzV616        970824.567  113p  Tmz.VSOLJ
TmzV616        970827.540  115p  Tmz.VSOLJ
TmzV616        980823.562  109p  Tmz.VSOLJ
TmzV616        980916.530  114p  Tmz.VSOLJ
TmzV616        990709.574  112p  Tmz.VSOLJ
TmzV616        990807.594  113p  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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