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[vsnet-obs 19069] New Takamizawa variable (TmzV201)

New Takamizawa variable (TmzV201)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV201).

TmzV201
= GSC3718.776 040329.50 +531418.7 (2000.0) 13.10 1
= USNO1425.04866243 040329.463 +531418.59 (2000.0) 11.7 15.3
= IRAS03596+5306 035938.3 +530602 (1950.0)
    F12=0.58  F25=0.25L F60=0.40L F100=14.45L
    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
= 040329.5 +531417 (2000.0) IRAS03596+5306 0.581 0.250L 0.400L 15.100L -1%
= 040329.5 +531417 (2000.0) SSC03596+5306 0.581 0.250L 0.400L 15.100L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with  a renge of 13.0-13.5p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV201        940910.701  131p  Tmz.VSOLJ
TmzV201        941108.549  133p  Tmz.VSOLJ
TmzV201        950823.720  135p  Tmz.VSOLJ
TmzV201        951127.554  134p  Tmz.VSOLJ
TmzV201        970714.728  131p  Tmz.VSOLJ
TmzV201        970802.707  130p  Tmz.VSOLJ
TmzV201        971010.696  132p  Tmz.VSOLJ
TmzV201        971123.526  133p  Tmz.VSOLJ
TmzV201        971221.456  132p  Tmz.VSOLJ
TmzV201        980820.706  130p  Tmz.VSOLJ
TmzV201        990109.498  135p  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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