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[vsnet-obs 19363] New Takamizawa variable (TmzV241)

New Takamizawa variable (TmzV241)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV241).

TmzV241
= GSC3772.663 062530.74 +574253.2 (2000.0) 12.06 1 N
= GSC3772.663 062531.05 +574252.4 (2000.0) 11.55 1
= USNO1425.06660946 062530.828 +574253.01 (2000.0) 12.5 15.7
= IRAS06211+5744 062110.8 +574435 (1950.0)
    F12=1.32  F25=0.48  F60=0.40L F100=1.44L
    VAR=27 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
= 062529.7 +574253 (2000.0) IRAS06211+5744 1.349 0.496 0.400L 1.455L 27%
= 062529.7 +574253 (2000.0) SSC06211+5744 1.349 0.496 0.400L 1.455L
= 062530.1 +574251 (2000.0) FSC06211+5744 1.277 0.476 0.224L 1.224L
= 062530.7 +574248 (2000.0) LMS63 M7 13.5

  Takamizawa's comment:

  The star may be a Mira-type  variable  with  a range of 12.4-15.3p, and
a period of about 328days (JD2451213).

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV241        950203.468  126p  Tmz.VSOLJ
TmzV241        951219.553  127p  Tmz.VSOLJ
TmzV241        960112.473  129p  Tmz.VSOLJ
TmzV241        971109.684  142p  Tmz.VSOLJ
TmzV241        971123.588  148p  Tmz.VSOLJ
TmzV241        971224.576  150p  Tmz.VSOLJ
TmzV241        971231.597  153p  Tmz.VSOLJ
TmzV241        980302.440  126p  Tmz.VSOLJ
TmzV241        980318.443  126p  Tmz.VSOLJ
TmzV241        980325.477  124p  Tmz.VSOLJ
TmzV241        981115.680  132p  Tmz.VSOLJ
TmzV241        981218.623  128p  Tmz.VSOLJ
TmzV241        990109.535  125p  Tmz.VSOLJ
TmzV241        990204.438  124p  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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