[vsnet-obs 18751] New Takamizawa variable (TmzV141)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV141)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV141).

TmzV141
= GSC2899.1662 050944.57 +404424.7 (2000.0) 12.65 1
= IRAS05062+4040 050613.6 +404038 (1950.0)
    F12=1.00  F25=0.30  F60=0.40L F100=1.58L
    VAR= 0 LRS=-1
 possibly I: oxygen-rich non-variable star without 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
= 050943.2 +404423 (2000.0) IRAS05062+4040 1.027 0.306 0.400L 1.630L 0%
= 050943.2 +404423 (2000.0) SSC05062+4040 1.027 0.306 0.400L 1.630L
= 050944.5 +404423 (2000.0) CS863 - - 12.8 -

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 12.2-13.5p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV141        940302.540  134p  Tmz.VSOLJ
TmzV141        940810.775  125p  Tmz.VSOLJ
TmzV141        941108.597  132p  Tmz.VSOLJ
TmzV141        941224.488  135p  Tmz.VSOLJ
TmzV141        950320.515  135p  Tmz.VSOLJ
TmzV141        950823.769  124p  Tmz.VSOLJ
TmzV141        951128.608  128p  Tmz.VSOLJ
TmzV141        960109.422  134p  Tmz.VSOLJ
TmzV141        960922.747  124p  Tmz.VSOLJ
TmzV141        961015.731  122p  Tmz.VSOLJ
TmzV141        961203.547  124p  Tmz.VSOLJ
TmzV141        970802.749  123p  Tmz.VSOLJ
TmzV141        971123.615  123p  Tmz.VSOLJ
TmzV141        980318.465  134p  Tmz.VSOLJ
TmzV141        980820.731  122p  Tmz.VSOLJ
TmzV141        981024.609  122p  Tmz.VSOLJ
TmzV141        981218.596  123p  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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