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[vsnet-obs 18587] New Takamizawa variable (TmzV125)

New Takamizawa variable (TmzV125)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV125).

TmzV125
= GSC2903.1077 050737.86 +424300.0 (2000.0) 12.52 1
= IRAS05040+4238 050402.7 +423858 (1950.0)
    F12=0.91  F25=0.44L F60=0.40L F100=1.74L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or 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
= 050736.2 +424252 (2000.0) IRAS05040+4238 0.882 0.427L 0.400L 1.662L -1%
= 050736.2 +424252 (2000.0) SSC05040+4238 0.882 0.427L 0.400L 1.662L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 12.1-13.4p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV125        941108.597  130p  Tmz.VSOLJ
TmzV125        941224.488  131p  Tmz.VSOLJ
TmzV125        950320.522  132p  Tmz.VSOLJ
TmzV125        951128.600  129p  Tmz.VSOLJ
TmzV125        960109.415  121p  Tmz.VSOLJ
TmzV125        960922.738  129p  Tmz.VSOLJ
TmzV125        961015.740  132p  Tmz.VSOLJ
TmzV125        970802.740  130p  Tmz.VSOLJ
TmzV125        971123.606  127p  Tmz.VSOLJ
TmzV125        980318.465  127p  Tmz.VSOLJ
TmzV125        980820.722  128p  Tmz.VSOLJ
TmzV125        981024.601  128p  Tmz.VSOLJ
TmzV125        981218.588  134p  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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