[vsnet-obs 21262] New Takamizawa variable (TmzV382)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV382)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV382).  The star is identical with the TA suspected variable
TASV J0752+133.

TmzV382
GSC791.1215 075252.57 +132255.7 (2000.0) 11.59 1
USNO0975.05635270 075252.587 +132255.88 (2000.0) 11.2 13.8
IRAS07500+1330 075002.2 +133050 (1950.0)
    F12=1.10  F25=0.58  F60=0.40L F100=1.00L
    VAR=40 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
075252.5 +132255 (2000.0) TASVJ0752+133 10.5 11.6 
075250.0 +132301 (2000.0) IRAS07500+1330 1.080 0.556 0.400L 1.000L 40%
075250.0 +132301 (2000.0) SSC07500+1330 1.080 0.556 0.400L 1.000L
075253.2 +132253 (2000.0) FSC07500+1330 1.018 0.502 0.191L 0.372L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.2-12.2p.

object         YYMMDD(UT)   mag  code
TmzV382        940306.488  121p  Tmz.VSOLJ
TmzV382        941111.701  114p  Tmz.VSOLJ
TmzV382        950220.550  113p  Tmz.VSOLJ
TmzV382        951025.783  120p  Tmz.VSOLJ
TmzV382        951222.729  121p  Tmz.VSOLJ
TmzV382        961021.804  122p  Tmz.VSOLJ
TmzV382        961208.635  112p  Tmz.VSOLJ
TmzV382        970227.521  120p  Tmz.VSOLJ
TmzV382        971012.765  116p  Tmz.VSOLJ
TmzV382        971231.652  119p  Tmz.VSOLJ
TmzV382        980919.793  119p  Tmz.VSOLJ
TmzV382        981117.719  118p  Tmz.VSOLJ
TmzV382        990208.527  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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