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[vsnet-newvar 1255] New Takamizawa variable (TmzV893)

New Takamizawa variable (TmzV893)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV893).

TmzV893
= GSC4055.1057 023832.34 +651923.0 (2000.0) 14.27 1
= USNO1500.02584425 023832.369 +651922.80 (2000.0) 13.1 17.4
= IRAS02344+6506 023426.5 +650620 (1950.0)
     F12=0.83  F25=0.44  F60=0.44L F100=2.29L
     VAR=12 LRS=-1
  possibly IIIa: variable star with more evolved O-rich c.s. shell
  or VIb: variable star with relatively hot dust close to
       the star and relatively cold dust at large distance
       may be O-rich
  or VII: variable star with more evolved C-rich circumstellar shell
= 023831.4 +651917 (2000.0) IRAS02344+6506 0.829 0.444 0.428L 2.297L 12%
= 023831.4 +651917 (2000.0) SSC02344+6506 0.829 0.444 0.428L 2.297L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 14.2-14.8p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV893        19950127.432  144p  Tmz.VSOLJ
TmzV893        19960922.656  147p  Tmz.VSOLJ
TmzV893        19970613.737  148p  Tmz.VSOLJ
TmzV893        19980116.420  145p  Tmz.VSOLJ
TmzV893        19980629.693  146p  Tmz.VSOLJ
TmzV893        19991128.440  147p  Tmz.VSOLJ
TmzV893        20000902.687  146p  Tmz.VSOLJ
TmzV893        20011023.613  142p  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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