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[vsnet-obs 18874] New Takamizawa variable (TmzV166)

New Takamizawa variable (TmzV166)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV166).

TmzV166
= GSC4326.1134 033319.19 +680441.3 (2000.0) 12.11 1
= USNO1575.01759138 033319.230 +680441.25 (2000.0) 10.0 13.9
= IRAS03285+6754 032833.1 +675430 (1950.0)
    F12=0.91  F25=0.33  F60=0.48L F100=9.12L
    VAR= 0 LRS=-1
 possibly 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
= 033318.3 +680436 (2000.0) IRAS03285+6754 0.876 0.328 0.484L 9.507L 0%
= 033318.3 +680436 (2000.0) SSC03285+6754 0.876 0.328 0.484L 9.507L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 12.1-12.8p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV166        950127.497  128p  Tmz.VSOLJ
TmzV166        960111.431  122p  Tmz.VSOLJ
TmzV166        970714.711  121p  Tmz.VSOLJ
TmzV166        970802.715  125p  Tmz.VSOLJ
TmzV166        971101.613  124p  Tmz.VSOLJ
TmzV166        971123.522  125p  Tmz.VSOLJ
TmzV166        971221.449  123p  Tmz.VSOLJ
TmzV166        980116.428  128p  Tmz.VSOLJ
TmzV166        980820.699  123p  Tmz.VSOLJ
TmzV166        980823.681  125p  Tmz.VSOLJ
TmzV166        990109.489  122p  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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