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[vsnet-obs 18217] New Takamizawa variable (TmzV94)

New Takamizawa variable (TmzV94)

   Kesao Takamizawa (Nagano Japan) reports the discovery of a new variable
star (TmzV94).

TmzV94
= GSC6516.2192 063431.91 -263756.1 (2000.0) 13.37 0
= USNO0600.01748783 063431.891 -263756.37 (2000.0) 11.2 13.2
= IRAS06325-2635 063231.0 -263530 (1950.0)
    F12=0.44  F25=0.40  F60=0.40L F100=1.00L
    VAR=17 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
= 063431.5 -263755 (2000.0) IRAS06325-2635 0.422 0.392 0.400L 1.000L 17%
= 063431.5 -263755 (2000.0) SSC06325-2635 0.422 0.392 0.400L 1.000L
= 063432.2 -263757 (2000.0) FSC06325-2635 0.420 0.351 0.145L 0.564L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 12.2-13.9p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV94         940331.470  122p  Tmz.VSOLJ
TmzV94         941127.600  128p  Tmz.VSOLJ
TmzV94         950203.511  125p  Tmz.VSOLJ
TmzV94         960111.510  124p  Tmz.VSOLJ
TmzV94         961206.611  125p  Tmz.VSOLJ
TmzV94         971103.767  131p  Tmz.VSOLJ
TmzV94         981126.749  139p  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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