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[vsnet-obs 20661] New Takamizawa variable (TmzV368)

New Takamizawa variable (TmzV368)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV368).

TmzV368
= GSC7119.1812 075354.72 -302354.8 (2000.0) 12.59 6 N
= IRAS07519-3016 075156.0 -301603 (1950.0)
    F12=0.63  F25=0.25  F60=0.40L F100=2.75L
    VAR=22 LRS=-1
 possibly II: variable star with 'young' O-rich 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
= 075355.2 -302356 (2000.0) IRAS07519-3016 0.611 0.253 0.400L 2.797L 22%
= 075355.2 -302356 (2000.0) SSC07519-3016 0.611 0.253 0.400L 2.797L
= 075353.9 -302259 (2000.0) M6(III)(Buscombe) - - -

  Takamizawa's comment:

  The star may be an irregular variable with a range of 13.2-14.3p.
LL Pup is located about 4' south south-west of TmzV368.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV368        941111.731  136p  Tmz.VSOLJ
TmzV368        941203.698  141p  Tmz.VSOLJ
TmzV368        950203.535  137p  Tmz.VSOLJ
TmzV368        951222.694  135p  Tmz.VSOLJ
TmzV368        961021.768  136p  Tmz.VSOLJ
TmzV368        970103.631  137p  Tmz.VSOLJ
TmzV368        971013.798  140p  Tmz.VSOLJ
TmzV368        971103.810  143p  Tmz.VSOLJ
TmzV368        971204.695  141p  Tmz.VSOLJ
TmzV368        971224.633  141p  Tmz.VSOLJ
TmzV368        980121.549  140p  Tmz.VSOLJ
TmzV368        980217.497  141p  Tmz.VSOLJ
TmzV368        980325.454  138p  Tmz.VSOLJ
TmzV368        981115.737  132p  Tmz.VSOLJ
TmzV368        990404.438  143p  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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