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[vsnet-obs 18236] New Takamizawa variable (TmzV99)

New Takamizawa variable (TmzV99)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV99).

TmzV99
= GSC7091.1636 063914.50 -332210.0 (2000.0) 13.92 0
= GSC7091.1636 063914.53 -332210.5 (2000.0) 13.46 0
= USNO0525.02643259 063914.520 -332210.60 (2000.0) 10.6 13.3
= IRAS06373-3319 063723.2 -331920 (1950.0)
    F12=0.44  F25=0.21  F60=0.58L F100=1.00L
    VAR=-1 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
= 063913.5 -332206 (2000.0) IRAS06373-3319 0.437 0.206 0.602L 1.000L -1%
= 063913.5 -332206 (2000.0) SSC06373-3319 0.437 0.206 0.602L 1.000L
= 063915.5 -332213 (2000.0) FSC06374-3319 0.429 0.180 0.142L 0.801L

   Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 12.3-13.3p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV99         941203.705  134p  Tmz.VSOLJ
TmzV99         961021.760  123p  Tmz.VSOLJ
TmzV99         971105.786  124p  Tmz.VSOLJ
TmzV99         971203.697  128p  Tmz.VSOLJ
TmzV99         971231.606  133p  Tmz.VSOLJ
TmzV99         981126.731  131p  Tmz.VSOLJ

Observer: 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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