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[vsnet-obs 19788] New Takamizawa variable (TmzV285)

New Takamizawa variable (TmzV285)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV285).

TmzV285
= GSC769.961 073548.02 +110114.6 (2000.0) 12.07 1
= USNO0975.05375517 073548.012 +110114.22 (2000.0) 10.9 14.7
= IRAS07330+1107 073302.3 +110756 (1950.0)
    F12=2.29  F25=1.32  F60=0.40L F100=1.00L
    VAR=44 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 073545.5 +110119 (2000.0) FSC07329+1108 2.335 1.356 0.215 0.355L
= 073547.9 +110114 (2000.0) IRAS07330+1107 2.291 1.312 0.400L 1.000L 44%
= 073547.9 +110114 (2000.0) SSC07330+1107 2.291 1.312 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.3-12.5p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV285        940306.451  118p  Tmz.VSOLJ
TmzV285        950220.486  122p  Tmz.VSOLJ
TmzV285        951025.756  125p  Tmz.VSOLJ
TmzV285        951222.667  119p  Tmz.VSOLJ
TmzV285        961015.812  119p  Tmz.VSOLJ
TmzV285        961206.691  113p  Tmz.VSOLJ
TmzV285        970830.794  116p  Tmz.VSOLJ
TmzV285        970929.784  118p  Tmz.VSOLJ
TmzV285        971103.787  118p  Tmz.VSOLJ
TmzV285        971204.729  120p  Tmz.VSOLJ
TmzV285        971224.658  118p  Tmz.VSOLJ
TmzV285        980121.572  120p  Tmz.VSOLJ
TmzV285        980217.522  116p  Tmz.VSOLJ
TmzV285        980919.769  118p  Tmz.VSOLJ
TmzV285        981115.761  117p  Tmz.VSOLJ
TmzV285        981212.644  117p  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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