[vsnet-obs 19271] New Takamizawa variable (TmzV230)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV230)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV230).

TmzV230
= GSC5005.96 150818.71 -030948.8 (2000.0) 13.36 0
= GSC5005.96 150818.78 -030947.5 (2000.0) 14.19 0
= USNO0825.08628729 150818.722 -030948.69 (2000.0) 11.5 14.8
= IRAS15056-0258 150541.3 -025818 (1950.0)
    F12=0.44  F25=0.52L F60=0.40L F100=1.00L
    VAR=-1 LRS=-1
= 150815.8 -030937 (2000.0) FSC15056-0258 0.375 0.364 0.132L 0.527L
= 150817.5 -030944 (2000.0) IRAS15056-0258 0.437 0.517L 0.400L 1.000L -1%
= 150817.5 -030944 (2000.0) SSC15056-0258 0.437 0.517L 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregurar variable  with  a range of 12.8-13.8p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV230        940315.699  130p  Tmz.VSOLJ
TmzV230        940506.639  129p  Tmz.VSOLJ
TmzV230        940603.573  131p  Tmz.VSOLJ
TmzV230        940705.582  133p  Tmz.VSOLJ
TmzV230        941229.832  136p  Tmz.VSOLJ
TmzV230        950110.804  137p  Tmz.VSOLJ
TmzV230        950127.789  138p  Tmz.VSOLJ
TmzV230        950407.696  130p  Tmz.VSOLJ
TmzV230        950601.515  135p  Tmz.VSOLJ
TmzV230        951217.841  135p  Tmz.VSOLJ
TmzV230        951230.818  137p  Tmz.VSOLJ
TmzV230        960413.697  132p  Tmz.VSOLJ
TmzV230        960619.499  136p  Tmz.VSOLJ
TmzV230        970606.613  132p  Tmz.VSOLJ
TmzV230        970824.477  132p  Tmz.VSOLJ
TmzV230        980105.833  138p  Tmz.VSOLJ
TmzV230        980419.641  129p  Tmz.VSOLJ
TmzV230        980420.610  128p  Tmz.VSOLJ
TmzV230        980909.440  130p  Tmz.VSOLJ
TmzV230        990214.775  134p  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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