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[vsnet-newvar 1166] New Takamizawa variable (TmzV851)

New Takamizawa variable (TmzV851)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV851).

TmzV851
= GSC3292.1500 015619.90 +520330.6 (2000.0) 12.39 1
= USNO1350.01875553 015619.884 +520330.55 (2000.0) 11.6 15.8
= 2MASS 015619.918 +520330.11 (2000.0)  6.100  0.000  4.774
= IRAS01530+5148 015305.4 +514852 (1950.0)
     F12=1.32  F25=0.63  F60=0.40L F100=1.58L
     VAR= 0 LRS=-1
  possibly 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
= 015620.0 +520331 (2000.0) IRAS01530+5148 1.262 0.631 0.400L 1.529L 0%
= 015620.0 +520331 (2000.0) SSC01530+5148 1.262 0.631 0.400L 1.529L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.6-13.3p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV851        19950127.424  129p  Tmz.VSOLJ
TmzV851        19960922.666  130p  Tmz.VSOLJ
TmzV851        19970613.728  133p  Tmz.VSOLJ
TmzV851        19980116.413  132p  Tmz.VSOLJ
TmzV851        19980629.701  130p  Tmz.VSOLJ
TmzV851        19991128.448  126p  Tmz.VSOLJ
TmzV851        20000902.678  129p  Tmz.VSOLJ
TmzV851        20011023.605  133p  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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