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[vsnet-newvar 1099] New Takamizawa variable (TmzV797)

New Takamizawa variable (TmzV797)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV797).

TmzV797
= GSC6.1478 002216.26 +033523.5 (2000.0) 12.07 1
= USNO0900.00086725 002216.233 +033523.63 (2000.0) 10.3 13.0
= IRAS00197+0318 001942.1 +031844 (1950.0)
     F12=3.02  F25=1.58  F60=0.40L F100=1.00L
     VAR= 1 LRS=-1
  possibly IIIa: variable star with more evolved O-rich c.s. shell
  or VII: variable star with more evolved C-rich circumstellar shell
= 002216.0 +033522 (2000.0) FSC00197+0318 3.146 1.645 0.302 0.647L
= 002216.1 +033521 (2000.0) IRAS00197+0318 3.038 1.647 0.400L 1.000L 1%
= 002216.1 +033521 (2000.0) SSC00197+0318 3.038 1.647 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.9-12.8p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV797        19940812.717  121p  Tmz.VSOLJ
TmzV797        19941102.562  128p  Tmz.VSOLJ
TmzV797        19941222.469  125p  Tmz.VSOLJ
TmzV797        19950120.402  124p  Tmz.VSOLJ
TmzV797        19950823.665  120p  Tmz.VSOLJ
TmzV797        19951214.453  119p  Tmz.VSOLJ
TmzV797        19960811.704  122p  Tmz.VSOLJ
TmzV797        19961202.429  126p  Tmz.VSOLJ
TmzV797        19970828.694  119p  Tmz.VSOLJ
TmzV797        19971101.581  123p  Tmz.VSOLJ
TmzV797        20001123.490  120p  Tmz.VSOLJ
TmzV797        20011013.546  121p  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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