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[vsnet-newvar 1300] New Takamizawa variable (TmzV905)

New Takamizawa variable (TmzV905)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV905).

TmzV905
= GSC4044.151 014347.53 +671117.3 (2000.0) 11.56 1
= USNO1500.01774209 014347.551 +671117.20 (2000.0) 10.6 15.2
= IRAS01400+6656 014005.5 +665611 (1950.0)
     F12=1.58  F25=0.44  F60=0.40L F100=10.00L
     VAR=55 LRS=-1
  possibly I: oxygen-rich non-variable star without circumstellar shell
  or VIa: non-variable star with relatively cold dust at large
       distance, may be carbon-rich
= 014347.1 +671115 (2000.0) IRAS01400+6656 1.531 0.419 0.400L 9.959L 55%
= 014347.1 +671115 (2000.0) SSC01400+6656 1.531 0.419 0.400L 9.959L
= 014408.4 +671114 (2000.0) DO24675

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.8-12.4p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV905        19950127.432  124p  Tmz.VSOLJ
TmzV905        19960922.656  121p  Tmz.VSOLJ
TmzV905        19970613.737  119p  Tmz.VSOLJ
TmzV905        19980116.420  122p  Tmz.VSOLJ
TmzV905        19980629.693  119p  Tmz.VSOLJ
TmzV905        19991128.440  119p  Tmz.VSOLJ
TmzV905        20000902.687  118p  Tmz.VSOLJ
TmzV905        20011023.613  118p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       SASS (Saku All Sky Survey)
       Inst.: 10cmR F4 twin patrol cameras and 25cm F2.8
       Baker-Schmidt camera T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <k-takamizawa@nifty.ne.jp>

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