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[vsnet-obs 20187] New Takamizawa variable (TmzV336)



New Takamizawa variable (TmzV336)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV336).

TmzV336
= GSC7333.1771 155641.26 -331643.2 (2000.0) 13.78 0
= USNO0525.17460243 155641.273 -331643.28 (2000.0) 12.8 14.5
= IRAS15534-3307 155328.5 -330755 (1950.0)
    F12=0.36  F25=0.36L F60=0.40L F100=14.45L
    VAR=-1 LRS=-1
= 155639.5 -331634 (2000.0) IRAS15534-3307 0.379 0.382L 0.410L 13.940L -1%
= 155639.5 -331634 (2000.0) SSC15534-3307 0.379 0.382L 0.410L 13.940L
= 155643.0 -331645 (2000.0) FSC15535-3308 0.370 0.209L 0.324L 2.318L

  Takamizawa's comment:

  The star may be a Mira-type or semiregular variable with a range 
of 13.7-<15.2p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV336        940315.721  145p  Tmz.VSOLJ
TmzV336        940411.761  <145p  Tmz.VSOLJ
TmzV336        940506.661  <152p  Tmz.VSOLJ
TmzV336        940703.501  <143p  Tmz.VSOLJ
TmzV336        960413.722  138p  Tmz.VSOLJ
TmzV336        960619.519  <143p  Tmz.VSOLJ
TmzV336        980620.557  137p  Tmz.VSOLJ
TmzV336        990414.708  139p  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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