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[vsnet-obs 19095] New Takamizawa variable (TmzV210)

New Takamizawa variable (TmzV210)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV210).

TmzV210
= GSC3333.1184 042431.83 +480311.4 (2000.0) 12.58 1
= GSC3333.1184 042431.87 +480311.4 (2000.0) 13.30 1
= USNO1350.04659932 042431.864 +480311.15 (2000.0) 12.7 16.9
= IRAS04208+4756 042050.6 +475618 (1950.0)
    F12=0.52  F25=0.25L F60=0.40L F100=12.02L
    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
= 042431.8 +480310 (2000.0) IRAS04208+4756 0.526 0.250L 0.403L 11.770L -1%
= 042431.8 +480310 (2000.0) SSC04208+4756 0.526 0.250L 0.403L 11.770L

  Takamizawa's comment:

  The star may be a semiregular variable  with  a renge of 12.9-14.1p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV210        940910.704  130p  Tmz.VSOLJ
TmzV210        941108.558  135p  Tmz.VSOLJ
TmzV210        941223.461  135p  Tmz.VSOLJ
TmzV210        950320.485  130p  Tmz.VSOLJ
TmzV210        950823.720  131p  Tmz.VSOLJ
TmzV210        951127.554  129p  Tmz.VSOLJ
TmzV210        961229.422  141p  Tmz.VSOLJ
TmzV210        970802.707  141p  Tmz.VSOLJ
TmzV210        971010.688  134p  Tmz.VSOLJ
TmzV210        971123.526  133p  Tmz.VSOLJ
TmzV210        971221.456  132p  Tmz.VSOLJ
TmzV210        980820.706  132p  Tmz.VSOLJ
TmzV210        990109.498  136p  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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