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[vsnet-obs 15585] New Takamizawa variable star (TmzV73)

New Takamizawa variable star (TmzV73)

  Kesao Takamizawa (Nagano, Japan) reports his discovery of a new variable
star (TmzV73).

  TmzV73 = USNO0750.10220642 165657.441 -090647.16 (2000.0) 11.2 13.2
         = 165656.3 -090643 (2000.0) IRAS16542-0902 0.666 0.396L 0.400L 1.781L -1%
         = 165656.3 -090643 (2000.0) SSC16542-0902 0.666 0.396L 0.400L 1.781L
         = 165656.6 -090645 (2000.0) FSC16542-0902 0.645 0.249 0.563L 4.779L

  Takamizawa's comment:

       The star may be a Mira-type classification with a range of 12.0-<15.3p,
       and period of about 203days.
       The star is visible at mag.~16.5 on Real-Sky CD.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV73         940217.836  132p  Tmz.VSOLJ
TmzV73         940411.802  129p  Tmz.VSOLJ
TmzV73         940506.690  148p  Tmz.VSOLJ
TmzV73         940603.640  <153p  Tmz.VSOLJ
TmzV73         940925.459  130p  Tmz.VSOLJ
TmzV73         941022.392  123p  Tmz.VSOLJ
TmzV73         950127.838  <153p  Tmz.VSOLJ
TmzV73         950210.794  <153p  Tmz.VSOLJ
TmzV73         950226.767  <153  Tmz.VSOLJ
TmzV73         950426.676  129p  Tmz.VSOLJ
TmzV73         960126.829  149p  Tmz.VSOLJ
TmzV73         960221.797  <153p  Tmz.VSOLJ
TmzV73         960509.592  139p  Tmz.VSOLJ
TmzV73         960619.567  122p  Tmz.VSOLJ
TmzV73         970212.819  131p  Tmz.VSOLJ
TmzV73         970305.791  151p  Tmz.VSOLJ
TmzV73         970606.651  149p  Tmz.VSOLJ
TmzV73         970701.531  129p  Tmz.VSOLJ
TmzV73         971025.389  <140p  Tmz.VSOLJ
TmzV73         980125.840  130p  Tmz.VSOLJ
TmzV73         980302.760  128p  Tmz.VSOLJ
TmzV73         980325.740  129p  Tmz.VSOLJ
TmzV73         980520.595  <153p  Tmz.VSOLJ
TmzV73         980629.569  <153p  Tmz.VSOLJ
TmzV73         980912.494  120p  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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