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[vsnet-obs 19396] New Takamizawa variable (TmzV242)

New Takamizawa variable (TmzV242)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV242).

TmzV242
= GSC3759.1365 060822.75 +575735.5 (2000.0) 11.09 1
= USNO1425.06526881 060822.744 +575735.49 (2000.0)  9.8 13.4
= IRAS06040+5758 060401.3 +575802 (1950.0)
    F12=1.20  F25=0.48  F60=0.40L F100=1.00L
    VAR=12 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
= 060821.6 +575734 (2000.0) IRAS06040+5758 1.147 0.488 0.400L 1.000L 12%
= 060821.6 +575734 (2000.0) SSC06040+5758 1.147 0.488 0.400L 1.000L
= 060823.4 +575733 (2000.0) FSC06040+5758 1.154 0.431 0.114L 2.034L

  Takamizawa's comment:

  The star may be a semiregular variable  with  a range of 11.0-12.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV242        950127.522  114p  Tmz.VSOLJ
TmzV242        950203.468  118p  Tmz.VSOLJ
TmzV242        951219.553  116p  Tmz.VSOLJ
TmzV242        970811.719  115p  Tmz.VSOLJ
TmzV242        971109.684  120p  Tmz.VSOLJ
TmzV242        971123.588  119p  Tmz.VSOLJ
TmzV242        971203.716  118p  Tmz.VSOLJ
TmzV242        971221.501  110p  Tmz.VSOLJ
TmzV242        971231.597  112p  Tmz.VSOLJ
TmzV242        980302.440  119p  Tmz.VSOLJ
TmzV242        980318.443  117p  Tmz.VSOLJ
TmzV242        981024.645  118p  Tmz.VSOLJ
TmzV242        981218.623  115p  Tmz.VSOLJ
TmzV242        990204.438  119p  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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