[vsnet-newvar 1139] New Takamizawa variable (TmzV828)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV828)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV828).

TmzV828
= GSC7969.326 210308.53 -393006.3 (2000.0) 13.35 0
= GSC7969.326 210308.54 -393006.4 (2000.0) 14.13 0
= USNO0450.39587146 210308.517 -393006.64 (2000.0) 10.9 12.8
= IRAS20599-3941 205955.8 -394159 (1950.0)
     F12=5.25  F25=3.02  F60=0.63  F100=1.00L
     VAR=19 LRS=-1
     VII: variable star with more evolved C-rich circumstellar shell
= 210307.3 -393008 (2000.0) FSC20599-3942 5.670 3.048 0.502 0.479L
= 210308.3 -393005 (2000.0) IRAS20599-3941 5.460 3.001 0.640 1.000L 19%
= 210308.3 -393005 (2000.0) SSC20599-3941 5.460 3.001 0.640 1.000L
= 210306.0 -392859 (2000.0) (M6III)(Buscombe) - - -

  Takamizawa's comment:

  The star may be a semiregular variable  with a range of 12.8-13.5p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV828        19940810.644  129p  Tmz.VSOLJ
TmzV828        19950921.518  133p  Tmz.VSOLJ
TmzV828        19950921.522  133p  Tmz.VSOLJ
TmzV828        19960815.559  130p  Tmz.VSOLJ
TmzV828        19960815.562  130p  Tmz.VSOLJ
TmzV828        19970706.698  128p  Tmz.VSOLJ
TmzV828        20011013.435  134p  Tmz.VSOLJ
TmzV828        20011013.458  135p  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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