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[vsnet-obs 19157] New Takamizawa variable (TmzV217)

New Takamizawa variable (TmzV217)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV217).

TmzV217
= GSC2867.1156 034524.54 +405348.0 (2000.0) 10.65 1
= USNO1275.02664961 034524.527 +405348.03 (2000.0)  9.3 13.0
= IRAS03420+4044 034203.7 +404427 (1950.0)
    F12=0.52  F25=0.25L F60=0.40L F100=1.58L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or 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
= 034525.1 +405348 (2000.0) IRAS03420+4044 0.509 0.250L 0.400L 1.551L -1%
= 034525.1 +405348 (2000.0) SSC03420+4044 0.509 0.250L 0.400L 1.551L
= 034525.6 +405350 (2000.0) FSC03420+4044 0.469 0.094 0.142L 1.302L
= 034524.1 +405154 (2000.0) DO27524

  Takamizawa's comment:

  The star may be a semiregular variable  with  a renge of 10.3-11.5p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV217        940810.714  112p  Tmz.VSOLJ
TmzV217        940910.709  110p  Tmz.VSOLJ
TmzV217        941108.558  113p  Tmz.VSOLJ
TmzV217        941223.461  115p  Tmz.VSOLJ
TmzV217        950320.485  103p  Tmz.VSOLJ
TmzV217        950823.727  115p  Tmz.VSOLJ
TmzV217        951127.562  111p  Tmz.VSOLJ
TmzV217        960815.715  110p  Tmz.VSOLJ
TmzV217        961202.463  113p  Tmz.VSOLJ
TmzV217        961229.422  112p  Tmz.VSOLJ
TmzV217        970714.735  112p  Tmz.VSOLJ
TmzV217        970802.723  111p  Tmz.VSOLJ
TmzV217        971010.688  103p  Tmz.VSOLJ
TmzV217        971123.534  114p  Tmz.VSOLJ
TmzV217        981112.555  111p  Tmz.VSOLJ
TmzV217        990109.506  103p  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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