[vsnet-obs 18889] New Takamizawa variable (TmzV167)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV167)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV167).

TmzV167
(no likely USNO counterpart)
= IRAS03259+6713 032559.8 +671349 (1950.0)
    F12=10.00  F25=3.98  F60=0.91  F100=8.31L
    VAR=99 LRS=16
    blue featureless, spec.index=3.0
    VII: variable star with more evolved C-rich circumstellar shell
= 033039.5 +672404 (2000.0) IRAS03259+6713 10.470 3.932 0.924 8.359L 99% 2(LRS)
= 033039.5 +672404 (2000.0) SSC03259+6713 10.470 3.932 0.924 8.359L

  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
TmzV167        950127.497  138p  Tmz.VSOLJ
TmzV167        960111.431  143p  Tmz.VSOLJ
TmzV167        970714.711  148p  Tmz.VSOLJ
TmzV167        970802.715  147p  Tmz.VSOLJ
TmzV167        971101.613  149p  Tmz.VSOLJ
TmzV167        971123.522  <147p  Tmz.VSOLJ
TmzV167        971221.449  <147p  Tmz.VSOLJ
TmzV167        980116.428  <147p  Tmz.VSOLJ
TmzV167        980820.699  147p  Tmz.VSOLJ
TmzV167        980823.681  145p  Tmz.VSOLJ
TmzV167        990109.489  <147p  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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