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[vsnet-obs 21444] New Takamizawa variable (TmzV410)

New Takamizawa variable (TmzV410)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV410).

TmzV410
= GSC6004.2152 081311.28 -195629.5 (2000.0) 13.61 0
= GSC6004.2152 081311.28 -195629.5 (2000.0) 13.44 0 N
= USNO0675.06076443 081311.274 -195629.37 (2000.0) 11.5 14.6
= IRAS08109-1947 081058.3 -194722 (1950.0)
    F12=0.52  F25=0.25L F60=0.40L F100=1.10L
    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
= 081311.7 -195627 (2000.0) IRAS08109-1947 0.515 0.254L 0.400L 1.101L -1%
= 081311.7 -195627 (2000.0) SSC08109-1947 0.515 0.254L 0.400L 1.101L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.9-13.7p.

object         YYMMDD(UT)   mag  code
TmzV410        941111.717  134p  Tmz.VSOLJ
TmzV410        950220.535  131p  Tmz.VSOLJ
TmzV410        951222.713  136p  Tmz.VSOLJ
TmzV410        960211.531  135p  Tmz.VSOLJ
TmzV410        961208.655  136p  Tmz.VSOLJ
TmzV410        970227.504  137p  Tmz.VSOLJ
TmzV410        971013.813  133p  Tmz.VSOLJ
TmzV410        971203.725  137p  Tmz.VSOLJ
TmzV410        971231.672  135p  Tmz.VSOLJ
TmzV410        981115.792  129p  Tmz.VSOLJ
TmzV410        990208.547  132p  Tmz.VSOLJ
TmzV410        990404.460  133p  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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