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[vsnet-obs 19120] New Takamizawa variable (TmzV214)

New Takamizawa variable (TmzV214)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV214).

TmzV214
= GSC2379.515 041729.72 +351815.5 (2000.0) 13.41 1
= USNO1200.02149269 041729.744 +351815.24 (2000.0) 12.1 16.2
= IRAS04142+3510 041414.2 +351056 (1950.0)
    F12=0.83  F25=0.30L F60=0.40L F100=1.90L
    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
= 041730.2 +351815 (2000.0) IRAS04142+3510 0.804 0.290L 0.400L 1.824L -1%
= 041730.2 +351815 (2000.0) SSC04142+3510 0.804 0.290L 0.400L 1.824L
= 041730.4 +351817 (2000.0) FSC04142+3510 0.762 0.295L 0.202L 2.884L

  Takamizawa's comment:

  The star may be a semiregular variable  with  a renge of 13.0-14.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV214        940810.714  130p  Tmz.VSOLJ
TmzV214        940910.709  135p  Tmz.VSOLJ
TmzV214        941108.558  135p  Tmz.VSOLJ
TmzV214        941223.461  139p  Tmz.VSOLJ
TmzV214        950320.485  137p  Tmz.VSOLJ
TmzV214        950823.727  139p  Tmz.VSOLJ
TmzV214        951127.562  138p  Tmz.VSOLJ
TmzV214        960815.715  140p  Tmz.VSOLJ
TmzV214        961202.463  140p  Tmz.VSOLJ
TmzV214        961229.422  140p  Tmz.VSOLJ
TmzV214        970714.735  140p  Tmz.VSOLJ
TmzV214        970802.723  134p  Tmz.VSOLJ
TmzV214        971010.688  139p  Tmz.VSOLJ
TmzV214        971123.534  139p  Tmz.VSOLJ
TmzV214        981112.555  134p  Tmz.VSOLJ
TmzV214        990109.506  132p  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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