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[vsnet-obs 21952] New Takamizawa variable (TmzV478)

New Takamizawa variable (TmzV478)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV478).

TmzV478
= GSC7130.2344 081859.29 -345038.2 (2000.0) 13.06 6 N
= USNO0525.06801078 081859.292 -345038.72 (2000.0) 10.5 14.9
= IRAS08170-3441 081703.6 -344108 (1950.0)
    F12=1.00  F25=0.33  F60=0.40L F100=22.90L
    VAR= 2 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 081858.4 -345027 (2000.0) CS2152 - 11.7 9.4 -
= 081859.0 -345035 (2000.0) IRAS08170-3441 0.978 0.343 0.400L 22.500L 2%
= 081859.0 -345035 (2000.0) SSC08170-3441 0.978 0.343 0.400L 22.500L
= 081853.9 -344959 (2000.0) C(Buscombe) V=11.7 - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.6-13.5p.

object         YYMMDD(UT)   mag  code
TmzV478        950220.528  135p  Tmz.VSOLJ
TmzV478        951118.735  128p  Tmz.VSOLJ
TmzV478        951222.701  128p  Tmz.VSOLJ
TmzV478        960211.540  131p  Tmz.VSOLJ
TmzV478        961021.828  135p  Tmz.VSOLJ
TmzV478        970227.495  129p  Tmz.VSOLJ
TmzV478        971013.806  127p  Tmz.VSOLJ
TmzV478        971103.834  126p  Tmz.VSOLJ
TmzV478        971203.741  129p  Tmz.VSOLJ
TmzV478        971231.679  128p  Tmz.VSOLJ
TmzV478        980322.516  132p  Tmz.VSOLJ
TmzV478        981115.785  127p  Tmz.VSOLJ
TmzV478        990208.537  132p  Tmz.VSOLJ
TmzV478        990404.452  130p  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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