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[vsnet-newvar 1159] New Takamizawa variable (TmzV846)

New Takamizawa variable (TmzV846)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV846).

TmzV846
= GSC3285.1710 021249.42 +471147.8 (2000.0) 10.82 1
= USNO1350.02155701 021249.400 +471147.95 (2000.0)  8.8 12.1
= 2MASS 021249.416 +471147.76 (2000.0)  0.000  0.000  0.000
= IRAS02096+4657 020936.4 +465741 (1950.0)
     F12=1.58  F25=0.40  F60=0.40L F100=1.00L
     VAR=32 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
= 021248.4 +471144 (2000.0) FSC02095+4657 1.567 0.403 0.276L 1.695L
= 021248.9 +471143 (2000.0) IRAS02096+4657 1.619 0.402 0.400L 1.008L 32%
= 021248.9 +471143 (2000.0) SSC02096+4657 1.619 0.402 0.400L 1.008L
= 021249.4 +471147 (2000.0) 1075 1.21 TYC3285.1710.1 plx=-28.6(74.3) (0.10 0.28)
= 021249.3 +471146 (2000.0) 1067 3.05 TYC2-3285.1710.1 (11.00 0.07) (14.58 0.63)
= 021248.2 +471312 (2000.0) DO25435

  Takamizawa's comment:

  The star may be a semiregular variable  with a range of 10.9-11.6p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV846        19941102.661  116p  Tmz.VSOLJ
TmzV846        19950127.431  115p  Tmz.VSOLJ
TmzV846        19950320.429  115p  Tmz.VSOLJ
TmzV846        19960922.666  114p  Tmz.VSOLJ
TmzV846        19970613.728  111p  Tmz.VSOLJ
TmzV846        19980116.413  112p  Tmz.VSOLJ
TmzV846        19980629.701  109p  Tmz.VSOLJ
TmzV846        19991128.448  114p  Tmz.VSOLJ
TmzV846        20000902.669  113p  Tmz.VSOLJ
TmzV846        20011023.597  114p  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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