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[vsnet-obs 19014] New Takamizawa variable (TmzV185)

New Takamizawa variable (TmzV185)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV185).

TmzV185
= GSC3341.637 042734.39 +512106.4 (2000.0) 11.25 1
= GSC3341.637 042734.39 +512105.6 (2000.0) 10.91 1
= GSC3341.637 042734.41 +512105.2 (2000.0)  9.90 1
= USNO1350.04709717 042734.432 +512105.72 (2000.0) 10.7 14.1 *
= IRAS04237+5114 042344.3 +511424 (1950.0)
    F12=2.09  F25=0.52  F60=0.40L F100=14.45L
    VAR=30 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 042734.3 +512104 (2000.0) IRAS04237+5114 2.087 0.534 0.400L 14.920L 30%
= 042734.3 +512104 (2000.0) SSC04237+5114 2.087 0.534 0.400L 14.920L
= 042721.1 +512039 (2000.0) DO28312

  Takamizawa's comment:

  The star may be a semiregular variable  with  a renge of 11.3-11.9p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV185        940910.701  119p  Tmz.VSOLJ
TmzV185        941108.549  114p  Tmz.VSOLJ
TmzV185        950823.720  116p  Tmz.VSOLJ
TmzV185        951127.554  114p  Tmz.VSOLJ
TmzV185        970714.728  115p  Tmz.VSOLJ
TmzV185        970802.707  115p  Tmz.VSOLJ
TmzV185        971010.696  114p  Tmz.VSOLJ
TmzV185        971123.526  115p  Tmz.VSOLJ
TmzV185        971221.456  113p  Tmz.VSOLJ
TmzV185        980820.706  115p  Tmz.VSOLJ
TmzV185        990109.498  114p  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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