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[vsnet-obs 19779] New Takamizawa variable (TmzV281)

New Takamizawa variable (TmzV281)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV281).

TmzV281
= GSC5375.2338 061847.44 -141309.0 (2000.0) 13.92 0
= USNO0750.02027666 061847.444 -141309.05 (2000.0) 11.2 14.8
= IRAS06165-1411 061630.4 -141151 (1950.0)
    F12=1.74  F25=0.83  F60=0.40L F100=1.10L
    VAR= 8 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
= 061847.1 -141309 (2000.0) FSC06165-1411 1.627 0.813 0.196 0.815L
= 061847.2 -141308 (2000.0) IRAS06165-1411 1.661 0.837 0.400L 1.046L 8%
= 061847.2 -141308 (2000.0) SSC06165-1411 1.661 0.837 0.400L 1.046L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.2-14.9p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV281        940331.481  148p  Tmz.VSOLJ
TmzV281        941127.608  142p  Tmz.VSOLJ
TmzV281        950203.519  136p  Tmz.VSOLJ
TmzV281        950219.442  132p  Tmz.VSOLJ
TmzV281        951021.750  141p  Tmz.VSOLJ
TmzV281        951219.605  149p  Tmz.VSOLJ
TmzV281        960111.501  149p  Tmz.VSOLJ
TmzV281        961206.602  139p  Tmz.VSOLJ
TmzV281        971103.759  135p  Tmz.VSOLJ
TmzV281        971221.572  136p  Tmz.VSOLJ
TmzV281        990206.492  140p  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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