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[vsnet-obs 18382] New Takamizawa variable (TmzV112)

New Takamizawa variable (TmzV112)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV112).

TmzV111
= USNO0825.03205902 064728.558 -010129.02 (2000.0) 13.9 18.4
= IRAS06449-0058 064456.1 -005807 (1950.0)
    F12=1.00  F25=0.36  F60=0.40L F100=1.74L
    VAR=63 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
= 064728.6 -010127 (2000.0) IRAS06449-0058 1.034 0.369 0.400L 1.704L 63%
= 064728.6 -010127 (2000.0) SSC06449-0058 1.034 0.369 0.400L 1.704L

  Takamizawa's comment:

  The star may be a Mira-type classification with a range of 13.9-<15.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV112        940314.484  141p  Tmz.VSOLJ
TmzV112        940402.455  143p  Tmz.VSOLJ
TmzV112        941203.720  145p  Tmz.VSOLJ
TmzV112        950219.506  <150p  Tmz.VSOLJ
TmzV112        951025.740  139p  Tmz.VSOLJ
TmzV112        951118.753  <145p  Tmz.VSOLJ
TmzV112        951219.615  <150p  Tmz.VSOLJ
TmzV112        960211.504  <150p  Tmz.VSOLJ
TmzV112        961016.761  <150p  Tmz.VSOLJ
TmzV112        961206.651  <150p  Tmz.VSOLJ
TmzV112        970103.604  <150p  Tmz.VSOLJ
TmzV112        970127.474  <145p  Tmz.VSOLJ
TmzV112        970227.468  <145p  Tmz.VSOLJ
TmzV112        970929.769  <150p  Tmz.VSOLJ
TmzV112        971013.783  <145p  Tmz.VSOLJ
TmzV112        971203.670  <145p  Tmz.VSOLJ
TmzV112        971224.623  <145p  Tmz.VSOLJ
TmzV112        980119.507  <145p  Tmz.VSOLJ
TmzV112        980217.485  145p  Tmz.VSOLJ
TmzV112        980318.512  140p  Tmz.VSOLJ
TmzV112        981115.721  <150p  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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