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[vsnet-obs 20185] New Takamizawa variable (TmzV334)

New Takamizawa variable (TmzV334)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV334).

TmzV334
= GSC6198.1054 155122.89 -214307.2 (2000.0) 14.49 0
= USNO0675.10138214 155122.907 -214307.31 (2000.0) 11.1 15.6
= IRAS15484-2134 154827.0 -213409 (1950.0)
    F12=2.29  F25=1.74  F60=0.44L F100=2.29L
    VAR= 2 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
= 155122.7 -214305 (2000.0) FSC15484-2134 2.349 1.681 0.434L 3.429L
= 155123.0 -214307 (2000.0) IRAS15484-2134 2.340 1.725 0.426L 2.359L 2%
= 155123.0 -214307 (2000.0) SSC15484-2134 2.340 1.725 0.426L 2.359L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-14.2p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV334        940217.794  128p  Tmz.VSOLJ
TmzV334        940315.728  128p  Tmz.VSOLJ
TmzV334        940506.567  128p  Tmz.VSOLJ
TmzV334        940603.594  129p  Tmz.VSOLJ
TmzV334        950110.851  131p  Tmz.VSOLJ
TmzV334        950127.803  128p  Tmz.VSOLJ
TmzV334        950207.777  127p  Tmz.VSOLJ
TmzV334        950226.731  128p  Tmz.VSOLJ
TmzV334        950423.643  129p  Tmz.VSOLJ
TmzV334        960126.790  142p  Tmz.VSOLJ
TmzV334        960309.455  135p  Tmz.VSOLJ
TmzV334        960413.606  140p  Tmz.VSOLJ
TmzV334        960619.527  133p  Tmz.VSOLJ
TmzV334        970209.808  128p  Tmz.VSOLJ
TmzV334        970509.605  132p  Tmz.VSOLJ
TmzV334        970704.518  140p  Tmz.VSOLJ
TmzV334        980302.740  130p  Tmz.VSOLJ
TmzV334        980620.546  130p  Tmz.VSOLJ
TmzV334        980908.433  130p  Tmz.VSOLJ
TmzV334        980910.438  128p  Tmz.VSOLJ
TmzV334        990414.701  137p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       Inst.: 10cmR F4 twin patrol cameras  T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <GHA07243@nifty.ne.jp>

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