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[vsnet-obs 18869] New Takamizawa variable (TmzV161)

New Takamizawa variable (TmzV161)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV161).

TmzV161
= GSC4327.2146 034303.26 +683528.3 (2000.0) 12.36 1
= USNO1575.01811631 034303.282 +683528.26 (2000.0) 11.8 15.6
= IRAS03381+6825 033810.1 +682553 (1950.0)
    F12=6.31  F25=3.31  F60=0.63L F100=2.29L
    VAR=37 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
= 034303.0 +683525 (2000.0) IRAS03381+6825 6.324 3.459 0.620L 2.256L 37%
= 034303.0 +683525 (2000.0) SSC03381+6825 6.324 3.459 0.620L 2.256L
= 034303.8 +683530 (2000.0) FSC03381+6825 5.841 3.367 0.480 2.702L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 13.6-14.3p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV161        950127.497  136p  Tmz.VSOLJ
TmzV161        960111.431  137p  Tmz.VSOLJ
TmzV161        970714.711  140p  Tmz.VSOLJ
TmzV161        970802.715  143p  Tmz.VSOLJ
TmzV161        971101.613  140p  Tmz.VSOLJ
TmzV161        971123.522  138p  Tmz.VSOLJ
TmzV161        971221.449  139p  Tmz.VSOLJ
TmzV161        980116.428  136p  Tmz.VSOLJ
TmzV161        980820.699  140p  Tmz.VSOLJ
TmzV161        980823.681  139p  Tmz.VSOLJ
TmzV161        990109.489  136p  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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