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[vsnet-newvar 1290] New Takamizawa variable (TmzV904)

New Takamizawa variable (TmzV904)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV904).

TmzV904
= GSC4044.300 015010.60 +661339.3 (2000.0) 10.68 1
= USNO1500.01877124 015010.588 +661339.50 (2000.0)  8.8 14.8
= IRAS01464+6558 014627.5 +655841 (1950.0)
     F12=2.09  F25=0.63  F60=0.40L F100=14.45L
     VAR=60 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
= 015009.8 +661333 (2000.0) IRAS01464+6558 2.067 0.632 0.400L 14.630L 60%
= 015009.8 +661333 (2000.0) SSC01464+6558 2.067 0.632 0.400L 14.630L
= 015022.2 +661451 (2000.0) DO24834

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.4-14.0p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV904        19950127.432  116p  Tmz.VSOLJ
TmzV904        19960922.656  109p  Tmz.VSOLJ
TmzV904        19970613.737  108p  Tmz.VSOLJ
TmzV904        19980116.420  109p  Tmz.VSOLJ
TmzV904        19980629.693  113p  Tmz.VSOLJ
TmzV904        19991128.440  112p  Tmz.VSOLJ
TmzV904        20000902.687  108p  Tmz.VSOLJ
TmzV904        20011023.613  108p  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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